{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:Z6QUEBLXLLSRKATB77U7BPP4OS","short_pith_number":"pith:Z6QUEBLX","canonical_record":{"source":{"id":"1407.4629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-17T10:52:23Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"f85dacc3dfbf2ca5a0c421689b076981b1c52a948f2834210758c58bb09ec34f","abstract_canon_sha256":"923489cedb45f54ec0cd68a844fd0562f4ca16e4c0fe9e6cdead9d8c4d959d1b"},"schema_version":"1.0"},"canonical_sha256":"cfa14205775ae5150261ffe9f0bdfc74854a3b9f5821feb55fad5b6fb3ce547a","source":{"kind":"arxiv","id":"1407.4629","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4629","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4629v1","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4629","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"pith_short_12","alias_value":"Z6QUEBLXLLSR","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z6QUEBLXLLSRKATB","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z6QUEBLX","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:Z6QUEBLXLLSRKATB77U7BPP4OS","target":"record","payload":{"canonical_record":{"source":{"id":"1407.4629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-17T10:52:23Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"f85dacc3dfbf2ca5a0c421689b076981b1c52a948f2834210758c58bb09ec34f","abstract_canon_sha256":"923489cedb45f54ec0cd68a844fd0562f4ca16e4c0fe9e6cdead9d8c4d959d1b"},"schema_version":"1.0"},"canonical_sha256":"cfa14205775ae5150261ffe9f0bdfc74854a3b9f5821feb55fad5b6fb3ce547a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:34.401138Z","signature_b64":"Vyh3FxVjyfcM+frR+286/RXTaKunhspu328lttZ8s4UVGv7rbrvWF+XRZFpTJf1WOOYsYXYW6hEEKsF3sbqTAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfa14205775ae5150261ffe9f0bdfc74854a3b9f5821feb55fad5b6fb3ce547a","last_reissued_at":"2026-05-18T01:42:34.400671Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:34.400671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.4629","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":"2026-05-18T01:42:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X20uEFIei0OL0CS0HMZqYE+AwpkQ3BhXkvSb4Wg1PDogDGLT38CqIIxJuLAJAShMZHDONJqHeWj0pzIhlAISDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T23:40:31.410494Z"},"content_sha256":"f77a2367533c1cd1b2565917350b70233a16c8e20df2c235b2fcf2e3384fa936","schema_version":"1.0","event_id":"sha256:f77a2367533c1cd1b2565917350b70233a16c8e20df2c235b2fcf2e3384fa936"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:Z6QUEBLXLLSRKATB77U7BPP4OS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identification of 3.55 KeV line in the framework of standard physics","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"astro-ph.HE","authors_text":"V.K. Dubrovich","submitted_at":"2014-07-17T10:52:23Z","abstract_excerpt":"Identification of the X-ray 3.55 KeV line as a recombination line of $\\pi^-$ tritium mesoatom is proposed. It has been shown that in principle it is possible to form such an atom under standard laboratory conditions, without bringing in new physics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4629","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":"2026-05-18T01:42:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C5brF+KueGdnFaxWfD39FTN4nzjjIkwN/dfwwaUYcdUKxhKG9hndw4GOq6XnT7wneSH9+j6sLs291OP5JtF9Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T23:40:31.410842Z"},"content_sha256":"29721d7a01830d8929df8033b3cb604e3cabd5cea29dd7fdc0bda6428cc91ec6","schema_version":"1.0","event_id":"sha256:29721d7a01830d8929df8033b3cb604e3cabd5cea29dd7fdc0bda6428cc91ec6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z6QUEBLXLLSRKATB77U7BPP4OS/bundle.json","state_url":"https://pith.science/pith/Z6QUEBLXLLSRKATB77U7BPP4OS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z6QUEBLXLLSRKATB77U7BPP4OS/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":"2026-06-22T23:40:31Z","links":{"resolver":"https://pith.science/pith/Z6QUEBLXLLSRKATB77U7BPP4OS","bundle":"https://pith.science/pith/Z6QUEBLXLLSRKATB77U7BPP4OS/bundle.json","state":"https://pith.science/pith/Z6QUEBLXLLSRKATB77U7BPP4OS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z6QUEBLXLLSRKATB77U7BPP4OS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:Z6QUEBLXLLSRKATB77U7BPP4OS","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":"923489cedb45f54ec0cd68a844fd0562f4ca16e4c0fe9e6cdead9d8c4d959d1b","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-17T10:52:23Z","title_canon_sha256":"f85dacc3dfbf2ca5a0c421689b076981b1c52a948f2834210758c58bb09ec34f"},"schema_version":"1.0","source":{"id":"1407.4629","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.4629","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"arxiv_version","alias_value":"1407.4629v1","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.4629","created_at":"2026-05-18T01:42:34Z"},{"alias_kind":"pith_short_12","alias_value":"Z6QUEBLXLLSR","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"Z6QUEBLXLLSRKATB","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"Z6QUEBLX","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:29721d7a01830d8929df8033b3cb604e3cabd5cea29dd7fdc0bda6428cc91ec6","target":"graph","created_at":"2026-05-18T01:42:34Z","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":"Identification of the X-ray 3.55 KeV line as a recombination line of $\\pi^-$ tritium mesoatom is proposed. It has been shown that in principle it is possible to form such an atom under standard laboratory conditions, without bringing in new physics.","authors_text":"V.K. Dubrovich","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-17T10:52:23Z","title":"Identification of 3.55 KeV line in the framework of standard physics"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.4629","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:f77a2367533c1cd1b2565917350b70233a16c8e20df2c235b2fcf2e3384fa936","target":"record","created_at":"2026-05-18T01:42:34Z","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":"923489cedb45f54ec0cd68a844fd0562f4ca16e4c0fe9e6cdead9d8c4d959d1b","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2014-07-17T10:52:23Z","title_canon_sha256":"f85dacc3dfbf2ca5a0c421689b076981b1c52a948f2834210758c58bb09ec34f"},"schema_version":"1.0","source":{"id":"1407.4629","kind":"arxiv","version":1}},"canonical_sha256":"cfa14205775ae5150261ffe9f0bdfc74854a3b9f5821feb55fad5b6fb3ce547a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfa14205775ae5150261ffe9f0bdfc74854a3b9f5821feb55fad5b6fb3ce547a","first_computed_at":"2026-05-18T01:42:34.400671Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:34.400671Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Vyh3FxVjyfcM+frR+286/RXTaKunhspu328lttZ8s4UVGv7rbrvWF+XRZFpTJf1WOOYsYXYW6hEEKsF3sbqTAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:34.401138Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.4629","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f77a2367533c1cd1b2565917350b70233a16c8e20df2c235b2fcf2e3384fa936","sha256:29721d7a01830d8929df8033b3cb604e3cabd5cea29dd7fdc0bda6428cc91ec6"],"state_sha256":"fe0fe60eef711725660737cfbc34cf0397d670f98eeda864abc32afdaf82e552"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9O/l+fPRp/MfO563rOTdOsIJk1STzkqBkDodYBa5W9Cwin6Mwhpw/g4odbQHU+2nMUk0L9X12zGA7jqFpM4YDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T23:40:31.412807Z","bundle_sha256":"d4df99d7d6c80777878c0abb2b25ddb0f3904cadd32eaa89c5f37fc51509c524"}}