{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:T7EWKDVJTBRZMLSLCRH4PVTSY2","short_pith_number":"pith:T7EWKDVJ","canonical_record":{"source":{"id":"1409.1772","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-09-05T12:58:03Z","cross_cats_sorted":[],"title_canon_sha256":"beaf223cebfe0ddf9a25de7aecd23cf9005f0685082a58df1b71cc79771d1a8d","abstract_canon_sha256":"a3aa3415125ec4fcc40be27b67802078f9ce362bd929ef3f0e0f099065b08827"},"schema_version":"1.0"},"canonical_sha256":"9fc9650ea99863962e4b144fc7d672c6b0b0106c1f374bce796b3030fcd45da7","source":{"kind":"arxiv","id":"1409.1772","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1772","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1772v3","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1772","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"T7EWKDVJTBRZ","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T7EWKDVJTBRZMLSL","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T7EWKDVJ","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:T7EWKDVJTBRZMLSLCRH4PVTSY2","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1772","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-09-05T12:58:03Z","cross_cats_sorted":[],"title_canon_sha256":"beaf223cebfe0ddf9a25de7aecd23cf9005f0685082a58df1b71cc79771d1a8d","abstract_canon_sha256":"a3aa3415125ec4fcc40be27b67802078f9ce362bd929ef3f0e0f099065b08827"},"schema_version":"1.0"},"canonical_sha256":"9fc9650ea99863962e4b144fc7d672c6b0b0106c1f374bce796b3030fcd45da7","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:03.081176Z","signature_b64":"gEbHozN0j/SguerFa/PBQBTdmi2Km+PF4YSOb2n81OtKZ9fqNQLY/3EeTXGWwHebk9dBaEIzmGeGJG1RGSXTBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9fc9650ea99863962e4b144fc7d672c6b0b0106c1f374bce796b3030fcd45da7","last_reissued_at":"2026-05-18T02:40:03.080542Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:03.080542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1772","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dGb2WrPSPtnEIaNo5wh7ko6N2Hr9i2IP/UKw7DSmeShOF6TR4KN8MJLxY1sTOIc/aWkD5vVKv76xkqv6Bh4vCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T17:31:29.248133Z"},"content_sha256":"059a928ace75ce37e7f01e2af86c0b846d8b502fabbe787ffb58f00b75380d9f","schema_version":"1.0","event_id":"sha256:059a928ace75ce37e7f01e2af86c0b846d8b502fabbe787ffb58f00b75380d9f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:T7EWKDVJTBRZMLSLCRH4PVTSY2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Alpha-spectroscopy of Cf-252 decays: A new approach to searching for the octoneutron","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"Amur Margaryan, Hrant Gulkanyan","submitted_at":"2014-09-05T12:58:03Z","abstract_excerpt":"Recently an experimental evidence of emission of neutron clusters consisting of eight neutrons - octoneutrons was reported. The experiment was based on the search for daughter nuclei associated with the octoneutron radioactivity of the Cf-252 nucleus. The effect of long-time build-up of daughter nuclei with a long half-life and gamma spectroscopy was utilized. In this paper we consider the alpha spectroscopy as an alternative method of searching for octoneutron in Cf-252 decays."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1772","kind":"arxiv","version":3},"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":"2026-05-18T02:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EAthkoFuGjjAfEdAxOLHb6yQirjbyZNBMeCW5To7Xl46D6RuLgpvqnj8OKGWI2Vta6sT3dEigoCADRvxJ8apDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T17:31:29.248487Z"},"content_sha256":"9093da7345638809fd2101003a99e52c0e36d17224ff50e741d54f2b473dc86b","schema_version":"1.0","event_id":"sha256:9093da7345638809fd2101003a99e52c0e36d17224ff50e741d54f2b473dc86b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2/bundle.json","state_url":"https://pith.science/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2/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":"2026-06-29T17:31:29Z","links":{"resolver":"https://pith.science/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2","bundle":"https://pith.science/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2/bundle.json","state":"https://pith.science/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T7EWKDVJTBRZMLSLCRH4PVTSY2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:T7EWKDVJTBRZMLSLCRH4PVTSY2","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":"a3aa3415125ec4fcc40be27b67802078f9ce362bd929ef3f0e0f099065b08827","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-09-05T12:58:03Z","title_canon_sha256":"beaf223cebfe0ddf9a25de7aecd23cf9005f0685082a58df1b71cc79771d1a8d"},"schema_version":"1.0","source":{"id":"1409.1772","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1772","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1772v3","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1772","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"T7EWKDVJTBRZ","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"T7EWKDVJTBRZMLSL","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"T7EWKDVJ","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:9093da7345638809fd2101003a99e52c0e36d17224ff50e741d54f2b473dc86b","target":"graph","created_at":"2026-05-18T02:40:03Z","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":"Recently an experimental evidence of emission of neutron clusters consisting of eight neutrons - octoneutrons was reported. The experiment was based on the search for daughter nuclei associated with the octoneutron radioactivity of the Cf-252 nucleus. The effect of long-time build-up of daughter nuclei with a long half-life and gamma spectroscopy was utilized. In this paper we consider the alpha spectroscopy as an alternative method of searching for octoneutron in Cf-252 decays.","authors_text":"Amur Margaryan, Hrant Gulkanyan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-09-05T12:58:03Z","title":"Alpha-spectroscopy of Cf-252 decays: A new approach to searching for the octoneutron"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1772","kind":"arxiv","version":3},"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":"sha256:059a928ace75ce37e7f01e2af86c0b846d8b502fabbe787ffb58f00b75380d9f","target":"record","created_at":"2026-05-18T02:40:03Z","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":"a3aa3415125ec4fcc40be27b67802078f9ce362bd929ef3f0e0f099065b08827","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2014-09-05T12:58:03Z","title_canon_sha256":"beaf223cebfe0ddf9a25de7aecd23cf9005f0685082a58df1b71cc79771d1a8d"},"schema_version":"1.0","source":{"id":"1409.1772","kind":"arxiv","version":3}},"canonical_sha256":"9fc9650ea99863962e4b144fc7d672c6b0b0106c1f374bce796b3030fcd45da7","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9fc9650ea99863962e4b144fc7d672c6b0b0106c1f374bce796b3030fcd45da7","first_computed_at":"2026-05-18T02:40:03.080542Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:03.080542Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"gEbHozN0j/SguerFa/PBQBTdmi2Km+PF4YSOb2n81OtKZ9fqNQLY/3EeTXGWwHebk9dBaEIzmGeGJG1RGSXTBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:03.081176Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1772","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:059a928ace75ce37e7f01e2af86c0b846d8b502fabbe787ffb58f00b75380d9f","sha256:9093da7345638809fd2101003a99e52c0e36d17224ff50e741d54f2b473dc86b"],"state_sha256":"88cfc6b727e92884a16dc6f393f1cf7a3a533cdff9911d6aa3046517b15d624e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lxRq8b6ClP1Jp8x+hTTdZ5b6jp7fJkH77UQXRQr98VIss59Sg89O2keogxrT1fj8HkylyDyCUPZ/YXAcD93bBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T17:31:29.250339Z","bundle_sha256":"94e7cf2341ed771f8fc5b8f370807f953cc51c7abf3b23105e7a85f3c90950e7"}}