{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YF3WFMWRZWLPOCPK6OPDILY3EZ","short_pith_number":"pith:YF3WFMWR","canonical_record":{"source":{"id":"1511.07721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-24T14:21:42Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"0fb808a3a2f370f2bef4076c6d2ae8b1f571eef1329c548f37525e4eca36d8ae","abstract_canon_sha256":"b3d1ac9fd6780b57e4572e34abdee2d85509de714c4607e7cfa14cc886883940"},"schema_version":"1.0"},"canonical_sha256":"c17762b2d1cd96f709eaf39e342f1b2668bbaa328371dd6b559926969f87a037","source":{"kind":"arxiv","id":"1511.07721","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.07721","created_at":"2026-05-18T01:26:03Z"},{"alias_kind":"arxiv_version","alias_value":"1511.07721v1","created_at":"2026-05-18T01:26:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07721","created_at":"2026-05-18T01:26:03Z"},{"alias_kind":"pith_short_12","alias_value":"YF3WFMWRZWLP","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YF3WFMWRZWLPOCPK","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YF3WFMWR","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YF3WFMWRZWLPOCPK6OPDILY3EZ","target":"record","payload":{"canonical_record":{"source":{"id":"1511.07721","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-24T14:21:42Z","cross_cats_sorted":["astro-ph.IM"],"title_canon_sha256":"0fb808a3a2f370f2bef4076c6d2ae8b1f571eef1329c548f37525e4eca36d8ae","abstract_canon_sha256":"b3d1ac9fd6780b57e4572e34abdee2d85509de714c4607e7cfa14cc886883940"},"schema_version":"1.0"},"canonical_sha256":"c17762b2d1cd96f709eaf39e342f1b2668bbaa328371dd6b559926969f87a037","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:03.859783Z","signature_b64":"8nrPD4ulp8AOl0PPUktQxs8h/2GkRCmuJHK5xSbl3BpMTVwcebBoJ6M2yvfiUwGAB1uWL0Idsmr8ReMIm2xKAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c17762b2d1cd96f709eaf39e342f1b2668bbaa328371dd6b559926969f87a037","last_reissued_at":"2026-05-18T01:26:03.859233Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:03.859233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.07721","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":"2026-05-18T01:26:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7zGrwPIPo7npymUHG7QLysqW+CAq7SgduY9nD/eOMDq4cvgXqMuOToZwyyafRtO/t/6W9DZ3nMEVRLQz9QARAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:38:12.795171Z"},"content_sha256":"863075d541386d8f86ac4b9c68e4a5b0cceadb65202124b94f4d02fc6019b7c2","schema_version":"1.0","event_id":"sha256:863075d541386d8f86ac4b9c68e4a5b0cceadb65202124b94f4d02fc6019b7c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YF3WFMWRZWLPOCPK6OPDILY3EZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ion-beam excitation of liquid argon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"physics.ins-det","authors_text":"A. Neumeier, A. Ulrich, J. Wieser, L. Oberauer, M. Hofmann, S. Roth, S. Sch\\\"onert, T. Dandl, T. Heindl, W. Potzel","submitted_at":"2015-11-24T14:21:42Z","abstract_excerpt":"The scintillation light of liquid argon has been recorded wavelength and time resolved with very good statistics in a wavelength interval ranging from 118 nm through 970 nm. Three different ion beams, protons, sulfur ions and gold ions, were used to excite liquid argon. Only minor differences were observed in the wavelength-spectra obtained with the different incident particles. Light emission in the wavelength range of the third excimer continuum was found to be strongly suppressed in the liquid phase. In time-resolved measurements, the time structure of the scintillation light can be directl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07721","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":"2026-05-18T01:26:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6VWW2XWNo7+F4PGUp+fZpownCrg7aa+NUmhEY4B1UegBd84jEkc4hP4xZALQ2JQUaA1kjtNFaE4JuKQ1loETAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T16:38:12.795914Z"},"content_sha256":"9459e49a65b5aea572a9fefcdd735a43b0c3a716e1e3f4247837ae700d9dc654","schema_version":"1.0","event_id":"sha256:9459e49a65b5aea572a9fefcdd735a43b0c3a716e1e3f4247837ae700d9dc654"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ/bundle.json","state_url":"https://pith.science/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ/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":"2026-05-25T16:38:12Z","links":{"resolver":"https://pith.science/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ","bundle":"https://pith.science/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ/bundle.json","state":"https://pith.science/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YF3WFMWRZWLPOCPK6OPDILY3EZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YF3WFMWRZWLPOCPK6OPDILY3EZ","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":"b3d1ac9fd6780b57e4572e34abdee2d85509de714c4607e7cfa14cc886883940","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-24T14:21:42Z","title_canon_sha256":"0fb808a3a2f370f2bef4076c6d2ae8b1f571eef1329c548f37525e4eca36d8ae"},"schema_version":"1.0","source":{"id":"1511.07721","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.07721","created_at":"2026-05-18T01:26:03Z"},{"alias_kind":"arxiv_version","alias_value":"1511.07721v1","created_at":"2026-05-18T01:26:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.07721","created_at":"2026-05-18T01:26:03Z"},{"alias_kind":"pith_short_12","alias_value":"YF3WFMWRZWLP","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YF3WFMWRZWLPOCPK","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YF3WFMWR","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:9459e49a65b5aea572a9fefcdd735a43b0c3a716e1e3f4247837ae700d9dc654","target":"graph","created_at":"2026-05-18T01:26:03Z","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":"The scintillation light of liquid argon has been recorded wavelength and time resolved with very good statistics in a wavelength interval ranging from 118 nm through 970 nm. Three different ion beams, protons, sulfur ions and gold ions, were used to excite liquid argon. Only minor differences were observed in the wavelength-spectra obtained with the different incident particles. Light emission in the wavelength range of the third excimer continuum was found to be strongly suppressed in the liquid phase. In time-resolved measurements, the time structure of the scintillation light can be directl","authors_text":"A. Neumeier, A. Ulrich, J. Wieser, L. Oberauer, M. Hofmann, S. Roth, S. Sch\\\"onert, T. Dandl, T. Heindl, W. Potzel","cross_cats":["astro-ph.IM"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-24T14:21:42Z","title":"Ion-beam excitation of liquid argon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.07721","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":"sha256:863075d541386d8f86ac4b9c68e4a5b0cceadb65202124b94f4d02fc6019b7c2","target":"record","created_at":"2026-05-18T01:26:03Z","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":"b3d1ac9fd6780b57e4572e34abdee2d85509de714c4607e7cfa14cc886883940","cross_cats_sorted":["astro-ph.IM"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ins-det","submitted_at":"2015-11-24T14:21:42Z","title_canon_sha256":"0fb808a3a2f370f2bef4076c6d2ae8b1f571eef1329c548f37525e4eca36d8ae"},"schema_version":"1.0","source":{"id":"1511.07721","kind":"arxiv","version":1}},"canonical_sha256":"c17762b2d1cd96f709eaf39e342f1b2668bbaa328371dd6b559926969f87a037","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c17762b2d1cd96f709eaf39e342f1b2668bbaa328371dd6b559926969f87a037","first_computed_at":"2026-05-18T01:26:03.859233Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:03.859233Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8nrPD4ulp8AOl0PPUktQxs8h/2GkRCmuJHK5xSbl3BpMTVwcebBoJ6M2yvfiUwGAB1uWL0Idsmr8ReMIm2xKAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:03.859783Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.07721","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:863075d541386d8f86ac4b9c68e4a5b0cceadb65202124b94f4d02fc6019b7c2","sha256:9459e49a65b5aea572a9fefcdd735a43b0c3a716e1e3f4247837ae700d9dc654"],"state_sha256":"03672d5f847ac996e8506aa324a0020804f6d826172d877ced1770049ea5b723"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yi4h1gIGVv59QV/7BhWSMr4YBhUb9kJ78x7Oy8d5qKL3FSY4J4gov7Xtl1ZBtQkL+Xhe71+oIdPwId1LyU4VAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T16:38:12.800797Z","bundle_sha256":"7d59ab7bb0cb4506a1e3e5f23d7ed59eee523f62244af2ec13534e5846cc7e4a"}}