{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:SQXHR52DVLOPGZR2ZQSOHTW5FU","short_pith_number":"pith:SQXHR52D","canonical_record":{"source":{"id":"1103.2880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-03-15T11:22:22Z","cross_cats_sorted":[],"title_canon_sha256":"43e19cb50214ba891d68d98f717648bc694b259414ae4974b5780c4cd475f1ba","abstract_canon_sha256":"0994510cd91748bd977ee737408c0c812d2cf200bde21ba30ce8a59fa034f2c3"},"schema_version":"1.0"},"canonical_sha256":"942e78f743aadcf3663acc24e3cedd2d05299e1c09c6798fc888495be1aa00b0","source":{"kind":"arxiv","id":"1103.2880","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2880","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2880v1","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2880","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"pith_short_12","alias_value":"SQXHR52DVLOP","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SQXHR52DVLOPGZR2","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SQXHR52D","created_at":"2026-05-18T12:26:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:SQXHR52DVLOPGZR2ZQSOHTW5FU","target":"record","payload":{"canonical_record":{"source":{"id":"1103.2880","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-03-15T11:22:22Z","cross_cats_sorted":[],"title_canon_sha256":"43e19cb50214ba891d68d98f717648bc694b259414ae4974b5780c4cd475f1ba","abstract_canon_sha256":"0994510cd91748bd977ee737408c0c812d2cf200bde21ba30ce8a59fa034f2c3"},"schema_version":"1.0"},"canonical_sha256":"942e78f743aadcf3663acc24e3cedd2d05299e1c09c6798fc888495be1aa00b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:18:44.562657Z","signature_b64":"4vvYs7vzHKh77N5E42ZQZdqmUTrtMjVrxeqyYrHZH4ujNpspxBeV9Mf492pNBM324WKyiLR8/0Hmm561u3r6Cg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"942e78f743aadcf3663acc24e3cedd2d05299e1c09c6798fc888495be1aa00b0","last_reissued_at":"2026-05-18T04:18:44.562193Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:18:44.562193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.2880","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:18:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tiZLAeeB0Kn8+3hI1GNqd72xcKeNz/AVL3pmA8lqLWN1LXD5fwX4MSLDwTizAuSQ+9QPECJpyRNcaRsqW2nuCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:01:04.176740Z"},"content_sha256":"9078682f9e1aa47e52dd808688b296b6756a10f15093467230cf3f33dab298b6","schema_version":"1.0","event_id":"sha256:9078682f9e1aa47e52dd808688b296b6756a10f15093467230cf3f33dab298b6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:SQXHR52DVLOPGZR2ZQSOHTW5FU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The cosmic-ray electron flux measured by the PAMELA experiment between 1 and 625 GeV","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"A. Bruno, A. G. Mayorov, A. Leonov, A. M. Galper, A. Monaco, A. N. Kvashnin, A. Vacchi, A. V. Karelin, C. De Santis, C. Pizzolotto, D. Campana, E. A. Bogomolov, E. Mocchiutti, E. Vannuccini, F. Cafagna, F. Palma, G. A. Bazilevskaya, G. Castellini, G. C. Barbarino, G. Jerse, G. Osteria, G. Vasilyev, G. Zampa, J. C. Stockton, J. Wu, L. Consiglio, L. Grishantseva, L. Marcelli, L. Rossetto, M. Boezio, M. Bongi, M. Casolino, M. P. De Pascale, M. Pearce, M. Ricci, M. Simon, N. De Simone, N. Mori, N. Nikonov, N. Zampa, PAMELA Collaboration: O. Adriani, P. Carlson, P. Papini, P. Picozza, P. Spillantini, R. Bellotti, R. Carbone, R. Sarkar, R. Sparvoli, S. A. Voronov, S. Borisov, S. Bottai, S. B. Ricciarini, S. J. Stochaj, S. V. Koldashov, S. Y. Krutkov, V. Bonvicini, V. Di Felice, V. G. Zverev, V. Malakhov, V. Malvezzi, V. V. Mikhailov, W. Gillard, W. Menn, Y. I. Stozhkov, Y. T. Yurkin","submitted_at":"2011-03-15T11:22:22Z","abstract_excerpt":"Precision measurements of the electron component in the cosmic radiation provide important information about the origin and propagation of cosmic rays in the Galaxy. Here we present new results regarding negatively charged electrons between 1 and 625 GeV performed by the satellite-borne experiment PAMELA. This is the first time that cosmic-ray electrons have been identified above 50 GeV. The electron spectrum can be described with a single power law energy dependence with spectral index -3.18 +- 0.05 above the energy region influenced by the solar wind (> 30 GeV). No significant spectral featu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2880","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:18:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HiajM2BIzlc4722w4dwxLZ900MbjcuE6XYkCAxiJg8ye4YfZuzha5211h9Y+bBlypEG+xfdR1Qyc2DEnBOdqAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:01:04.177332Z"},"content_sha256":"6a3961db3e0ccac2fdcb44b9e464b8cee9cbea76b00e4bda7137a8a888b11aeb","schema_version":"1.0","event_id":"sha256:6a3961db3e0ccac2fdcb44b9e464b8cee9cbea76b00e4bda7137a8a888b11aeb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU/bundle.json","state_url":"https://pith.science/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-05-27T18:01:04Z","links":{"resolver":"https://pith.science/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU","bundle":"https://pith.science/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU/bundle.json","state":"https://pith.science/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SQXHR52DVLOPGZR2ZQSOHTW5FU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:SQXHR52DVLOPGZR2ZQSOHTW5FU","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"0994510cd91748bd977ee737408c0c812d2cf200bde21ba30ce8a59fa034f2c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-03-15T11:22:22Z","title_canon_sha256":"43e19cb50214ba891d68d98f717648bc694b259414ae4974b5780c4cd475f1ba"},"schema_version":"1.0","source":{"id":"1103.2880","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.2880","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"arxiv_version","alias_value":"1103.2880v1","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.2880","created_at":"2026-05-18T04:18:44Z"},{"alias_kind":"pith_short_12","alias_value":"SQXHR52DVLOP","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_16","alias_value":"SQXHR52DVLOPGZR2","created_at":"2026-05-18T12:26:41Z"},{"alias_kind":"pith_short_8","alias_value":"SQXHR52D","created_at":"2026-05-18T12:26:41Z"}],"graph_snapshots":[{"event_id":"sha256:6a3961db3e0ccac2fdcb44b9e464b8cee9cbea76b00e4bda7137a8a888b11aeb","target":"graph","created_at":"2026-05-18T04:18:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Precision measurements of the electron component in the cosmic radiation provide important information about the origin and propagation of cosmic rays in the Galaxy. Here we present new results regarding negatively charged electrons between 1 and 625 GeV performed by the satellite-borne experiment PAMELA. This is the first time that cosmic-ray electrons have been identified above 50 GeV. The electron spectrum can be described with a single power law energy dependence with spectral index -3.18 +- 0.05 above the energy region influenced by the solar wind (> 30 GeV). No significant spectral featu","authors_text":"A. Bruno, A. G. Mayorov, A. Leonov, A. M. Galper, A. Monaco, A. N. Kvashnin, A. Vacchi, A. V. Karelin, C. De Santis, C. Pizzolotto, D. Campana, E. A. Bogomolov, E. Mocchiutti, E. Vannuccini, F. Cafagna, F. Palma, G. A. Bazilevskaya, G. Castellini, G. C. Barbarino, G. Jerse, G. Osteria, G. Vasilyev, G. Zampa, J. C. Stockton, J. Wu, L. Consiglio, L. Grishantseva, L. Marcelli, L. Rossetto, M. Boezio, M. Bongi, M. Casolino, M. P. De Pascale, M. Pearce, M. Ricci, M. Simon, N. De Simone, N. Mori, N. Nikonov, N. Zampa, PAMELA Collaboration: O. Adriani, P. Carlson, P. Papini, P. Picozza, P. Spillantini, R. Bellotti, R. Carbone, R. Sarkar, R. Sparvoli, S. A. Voronov, S. Borisov, S. Bottai, S. B. Ricciarini, S. J. Stochaj, S. V. Koldashov, S. Y. Krutkov, V. Bonvicini, V. Di Felice, V. G. Zverev, V. Malakhov, V. Malvezzi, V. V. Mikhailov, W. Gillard, W. Menn, Y. I. Stozhkov, Y. T. Yurkin","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-03-15T11:22:22Z","title":"The cosmic-ray electron flux measured by the PAMELA experiment between 1 and 625 GeV"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.2880","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9078682f9e1aa47e52dd808688b296b6756a10f15093467230cf3f33dab298b6","target":"record","created_at":"2026-05-18T04:18:44Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"0994510cd91748bd977ee737408c0c812d2cf200bde21ba30ce8a59fa034f2c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2011-03-15T11:22:22Z","title_canon_sha256":"43e19cb50214ba891d68d98f717648bc694b259414ae4974b5780c4cd475f1ba"},"schema_version":"1.0","source":{"id":"1103.2880","kind":"arxiv","version":1}},"canonical_sha256":"942e78f743aadcf3663acc24e3cedd2d05299e1c09c6798fc888495be1aa00b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"942e78f743aadcf3663acc24e3cedd2d05299e1c09c6798fc888495be1aa00b0","first_computed_at":"2026-05-18T04:18:44.562193Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:18:44.562193Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4vvYs7vzHKh77N5E42ZQZdqmUTrtMjVrxeqyYrHZH4ujNpspxBeV9Mf492pNBM324WKyiLR8/0Hmm561u3r6Cg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:18:44.562657Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.2880","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9078682f9e1aa47e52dd808688b296b6756a10f15093467230cf3f33dab298b6","sha256:6a3961db3e0ccac2fdcb44b9e464b8cee9cbea76b00e4bda7137a8a888b11aeb"],"state_sha256":"736e0c6ca367d10e69b9228e8ffd176e90b67bec5eb26b0710e6f7d32ebc98ea"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2RO1io/tTs21Z3qMujUJM9W+VjlLvcOvMC6nN/PuSnzdIcQ9goRRT9aZROkyjy94/waJikEBwkKKvqtZRRhpBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:01:04.180948Z","bundle_sha256":"137791ac62d672ff4cefb0acc8cfc0cbd42b12953ab5f36c8bc0be3a9c8ccf10"}}