{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:DS6MMBUMEF4NRM2KXNZO72V4UN","short_pith_number":"pith:DS6MMBUM","canonical_record":{"source":{"id":"1612.03260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-12-10T06:29:00Z","cross_cats_sorted":["nlin.CD","nucl-ex"],"title_canon_sha256":"ec08dd09b47202584d153bd0a1ddfea9c7614171966c3149a4b97751f7e09392","abstract_canon_sha256":"d0a5d4fb6a31dde4d87733b9b28c4c9e6d42b700bbe3ee3e4e781c5224afed9a"},"schema_version":"1.0"},"canonical_sha256":"1cbcc6068c2178d8b34abb72efeabca358bb74caae2b745015e46955e689177e","source":{"kind":"arxiv","id":"1612.03260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.03260","created_at":"2026-05-18T00:53:04Z"},{"alias_kind":"arxiv_version","alias_value":"1612.03260v1","created_at":"2026-05-18T00:53:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.03260","created_at":"2026-05-18T00:53:04Z"},{"alias_kind":"pith_short_12","alias_value":"DS6MMBUMEF4N","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DS6MMBUMEF4NRM2K","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DS6MMBUM","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:DS6MMBUMEF4NRM2KXNZO72V4UN","target":"record","payload":{"canonical_record":{"source":{"id":"1612.03260","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-12-10T06:29:00Z","cross_cats_sorted":["nlin.CD","nucl-ex"],"title_canon_sha256":"ec08dd09b47202584d153bd0a1ddfea9c7614171966c3149a4b97751f7e09392","abstract_canon_sha256":"d0a5d4fb6a31dde4d87733b9b28c4c9e6d42b700bbe3ee3e4e781c5224afed9a"},"schema_version":"1.0"},"canonical_sha256":"1cbcc6068c2178d8b34abb72efeabca358bb74caae2b745015e46955e689177e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:53:04.833376Z","signature_b64":"Z2H8n+XXDfRpbWOKcQbcMmoiewaYFMfnp0LciXppOvLYYT/LWOg5PQFj+9IAJqkKAaBgv9G/KatkQ8EzvSSFCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1cbcc6068c2178d8b34abb72efeabca358bb74caae2b745015e46955e689177e","last_reissued_at":"2026-05-18T00:53:04.832729Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:53:04.832729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.03260","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":"2026-05-18T00:53:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cALSYPUBIDgyJxQlY+3jFk5jpqlav/jaLDYhxM86q73fHoG3lerrx7cjrst5b2ngCI7E9d8QbqZy5j0fmRNxCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:32:09.600043Z"},"content_sha256":"a76dabb48efaf2ea451a3683eeaf7eb9debb3386175946507adede5d52221e50","schema_version":"1.0","event_id":"sha256:a76dabb48efaf2ea451a3683eeaf7eb9debb3386175946507adede5d52221e50"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:DS6MMBUMEF4NRM2KXNZO72V4UN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chaos and regularity in the doubly magic nucleus 208Pb","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.CD","nucl-ex"],"primary_cat":"nucl-th","authors_text":"A. Heusler, A. Richter, B. A. Brown, B. Dietz, K. H. Maier","submitted_at":"2016-12-10T06:29:00Z","abstract_excerpt":"High resolution experiments have recently lead to a complete identification (energy, spin, and parity) of 151 nuclear levels up to an excitation Energy of Ex= 6.20 MeV in 208Pb. We present a thorough study of the fluctuation properties in the energy spectra of the unprecedented set of nuclear bound states. In a first approach we grouped states with the same spin and parity into 14 subspectra, analyzed standard statistical measures for short- and long-range correlations and then computed their ensemble average. Their comparison with a random matrix ensemble which interpolates between Poisson st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03260","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":"2026-05-18T00:53:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vq9mSL8FVQOes8GTEUjYC7ubrBgpUAvRcw2v9esvVIOcP82zOkR8mZBLd7ZNOP9GuYWlm4LeuhQ8wq+mWZvmDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T09:32:09.600563Z"},"content_sha256":"fd0e2401f9361e293996639a3c5184065c4c1f2f8e54158a43446d8aa3662149","schema_version":"1.0","event_id":"sha256:fd0e2401f9361e293996639a3c5184065c4c1f2f8e54158a43446d8aa3662149"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DS6MMBUMEF4NRM2KXNZO72V4UN/bundle.json","state_url":"https://pith.science/pith/DS6MMBUMEF4NRM2KXNZO72V4UN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DS6MMBUMEF4NRM2KXNZO72V4UN/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":"2026-05-30T09:32:09Z","links":{"resolver":"https://pith.science/pith/DS6MMBUMEF4NRM2KXNZO72V4UN","bundle":"https://pith.science/pith/DS6MMBUMEF4NRM2KXNZO72V4UN/bundle.json","state":"https://pith.science/pith/DS6MMBUMEF4NRM2KXNZO72V4UN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DS6MMBUMEF4NRM2KXNZO72V4UN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:DS6MMBUMEF4NRM2KXNZO72V4UN","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":"d0a5d4fb6a31dde4d87733b9b28c4c9e6d42b700bbe3ee3e4e781c5224afed9a","cross_cats_sorted":["nlin.CD","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-12-10T06:29:00Z","title_canon_sha256":"ec08dd09b47202584d153bd0a1ddfea9c7614171966c3149a4b97751f7e09392"},"schema_version":"1.0","source":{"id":"1612.03260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.03260","created_at":"2026-05-18T00:53:04Z"},{"alias_kind":"arxiv_version","alias_value":"1612.03260v1","created_at":"2026-05-18T00:53:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.03260","created_at":"2026-05-18T00:53:04Z"},{"alias_kind":"pith_short_12","alias_value":"DS6MMBUMEF4N","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"DS6MMBUMEF4NRM2K","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"DS6MMBUM","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:fd0e2401f9361e293996639a3c5184065c4c1f2f8e54158a43446d8aa3662149","target":"graph","created_at":"2026-05-18T00:53:04Z","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":"High resolution experiments have recently lead to a complete identification (energy, spin, and parity) of 151 nuclear levels up to an excitation Energy of Ex= 6.20 MeV in 208Pb. We present a thorough study of the fluctuation properties in the energy spectra of the unprecedented set of nuclear bound states. In a first approach we grouped states with the same spin and parity into 14 subspectra, analyzed standard statistical measures for short- and long-range correlations and then computed their ensemble average. Their comparison with a random matrix ensemble which interpolates between Poisson st","authors_text":"A. Heusler, A. Richter, B. A. Brown, B. Dietz, K. H. Maier","cross_cats":["nlin.CD","nucl-ex"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-12-10T06:29:00Z","title":"Chaos and regularity in the doubly magic nucleus 208Pb"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.03260","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:a76dabb48efaf2ea451a3683eeaf7eb9debb3386175946507adede5d52221e50","target":"record","created_at":"2026-05-18T00:53:04Z","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":"d0a5d4fb6a31dde4d87733b9b28c4c9e6d42b700bbe3ee3e4e781c5224afed9a","cross_cats_sorted":["nlin.CD","nucl-ex"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2016-12-10T06:29:00Z","title_canon_sha256":"ec08dd09b47202584d153bd0a1ddfea9c7614171966c3149a4b97751f7e09392"},"schema_version":"1.0","source":{"id":"1612.03260","kind":"arxiv","version":1}},"canonical_sha256":"1cbcc6068c2178d8b34abb72efeabca358bb74caae2b745015e46955e689177e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1cbcc6068c2178d8b34abb72efeabca358bb74caae2b745015e46955e689177e","first_computed_at":"2026-05-18T00:53:04.832729Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:53:04.832729Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Z2H8n+XXDfRpbWOKcQbcMmoiewaYFMfnp0LciXppOvLYYT/LWOg5PQFj+9IAJqkKAaBgv9G/KatkQ8EzvSSFCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:53:04.833376Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.03260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a76dabb48efaf2ea451a3683eeaf7eb9debb3386175946507adede5d52221e50","sha256:fd0e2401f9361e293996639a3c5184065c4c1f2f8e54158a43446d8aa3662149"],"state_sha256":"08dc23005bf9aeab8305e75db55a29b9ecf9fba4ee3f5e2e2fa18580c17cc69d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fg1sAclTVKnBxvsfZd/leAclZBZdfE0FtVWBHlJR1mmYHDDpF9v+8GGSfENmjhYVf4brdae+1/xDsAYHNgWdBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T09:32:09.604546Z","bundle_sha256":"f228a7439d2b32a2b0e9e77d8c6db133b2dd950458996073dc7776e46cf412a3"}}