{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:26G2OU5AMVMZMMYQYSJE23EDNQ","short_pith_number":"pith:26G2OU5A","canonical_record":{"source":{"id":"1501.01369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-07T05:48:19Z","cross_cats_sorted":[],"title_canon_sha256":"cf8ef30596e4c77333adb04b944fd441084821d40eebc580150da414381e1d1d","abstract_canon_sha256":"16944f8785619da9854c0a9d02aaa3e25a30d073b47fb330124dc2c62aff92d4"},"schema_version":"1.0"},"canonical_sha256":"d78da753a06559963310c4924d6c836c067465ee05c81ff99095840c40d4d143","source":{"kind":"arxiv","id":"1501.01369","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01369","created_at":"2026-05-18T01:55:07Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01369v1","created_at":"2026-05-18T01:55:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01369","created_at":"2026-05-18T01:55:07Z"},{"alias_kind":"pith_short_12","alias_value":"26G2OU5AMVMZ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"26G2OU5AMVMZMMYQ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"26G2OU5A","created_at":"2026-05-18T12:28:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:26G2OU5AMVMZMMYQYSJE23EDNQ","target":"record","payload":{"canonical_record":{"source":{"id":"1501.01369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-07T05:48:19Z","cross_cats_sorted":[],"title_canon_sha256":"cf8ef30596e4c77333adb04b944fd441084821d40eebc580150da414381e1d1d","abstract_canon_sha256":"16944f8785619da9854c0a9d02aaa3e25a30d073b47fb330124dc2c62aff92d4"},"schema_version":"1.0"},"canonical_sha256":"d78da753a06559963310c4924d6c836c067465ee05c81ff99095840c40d4d143","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:07.409773Z","signature_b64":"J11X9BS/XjZ9PG61hm7FPWadWLkBcB43+P0T7FQ2gvEb++aB4JtoBbrQWMwoe4Jueolaqul8SWicBGqs9fpdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d78da753a06559963310c4924d6c836c067465ee05c81ff99095840c40d4d143","last_reissued_at":"2026-05-18T01:55:07.409328Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:07.409328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.01369","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":"2026-05-18T01:55:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7EnVroooORz3bWwJ8bA/GPPgK+GXqx2jNG1VI9MEoCx/mlkIpk7EaoI3j0nP0/fS7DFl+/pyVCTZjxUou9KKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T14:48:35.324416Z"},"content_sha256":"83684c460b23ce5fbd90b2126440c019afe7de4a76b9ba95bab983ed80fbfee4","schema_version":"1.0","event_id":"sha256:83684c460b23ce5fbd90b2126440c019afe7de4a76b9ba95bab983ed80fbfee4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:26G2OU5AMVMZMMYQYSJE23EDNQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental investigation on the temperature dependence of the nuclear level density parameter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. De, Balaram Dey, Debasish Mondal, Deepak Pandit, K. Banerjee, N. Dinh Dang, N. Quang Hung, S. Mukhopadhyay, S. R. Banerjee, Srijit Bhattacharya, Surajit Pal","submitted_at":"2015-01-07T05:48:19Z","abstract_excerpt":"The effect of temperature (T) and angular momentum (J) on the inverse level density parameter (k) has been studied by populating the compound nucleus $^{97}$Tc in the reaction $^{4}$He + $^{93}$Nb at four incident beam energies of 28, 35, 42 and 50 MeV. For all the four energies, the value of k decreases with increasing J. The T dependence of k has been compared for two angular momentum windows with different theoretical predictions as well as with FTBCS1 calculation which takes into account the quasiparticle-number fluctuations in the pairing field. Interestingly, the experimental data are in"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01369","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":"2026-05-18T01:55:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UFi8YAkNGsU8M6rw8uKs2W+Hn/wM2T09U3yLfmb2698FLfAf5rL+5dbJoPPxI8RNU7IF6aGNLR/1y/3QPHRcBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T14:48:35.325064Z"},"content_sha256":"d476d895bd90af6f7ee0d09dcff805ddd6416ec5672f6263de267db4577f6c1a","schema_version":"1.0","event_id":"sha256:d476d895bd90af6f7ee0d09dcff805ddd6416ec5672f6263de267db4577f6c1a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/26G2OU5AMVMZMMYQYSJE23EDNQ/bundle.json","state_url":"https://pith.science/pith/26G2OU5AMVMZMMYQYSJE23EDNQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/26G2OU5AMVMZMMYQYSJE23EDNQ/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":"2026-05-29T14:48:35Z","links":{"resolver":"https://pith.science/pith/26G2OU5AMVMZMMYQYSJE23EDNQ","bundle":"https://pith.science/pith/26G2OU5AMVMZMMYQYSJE23EDNQ/bundle.json","state":"https://pith.science/pith/26G2OU5AMVMZMMYQYSJE23EDNQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/26G2OU5AMVMZMMYQYSJE23EDNQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:26G2OU5AMVMZMMYQYSJE23EDNQ","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":"16944f8785619da9854c0a9d02aaa3e25a30d073b47fb330124dc2c62aff92d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-07T05:48:19Z","title_canon_sha256":"cf8ef30596e4c77333adb04b944fd441084821d40eebc580150da414381e1d1d"},"schema_version":"1.0","source":{"id":"1501.01369","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.01369","created_at":"2026-05-18T01:55:07Z"},{"alias_kind":"arxiv_version","alias_value":"1501.01369v1","created_at":"2026-05-18T01:55:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.01369","created_at":"2026-05-18T01:55:07Z"},{"alias_kind":"pith_short_12","alias_value":"26G2OU5AMVMZ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_16","alias_value":"26G2OU5AMVMZMMYQ","created_at":"2026-05-18T12:28:59Z"},{"alias_kind":"pith_short_8","alias_value":"26G2OU5A","created_at":"2026-05-18T12:28:59Z"}],"graph_snapshots":[{"event_id":"sha256:d476d895bd90af6f7ee0d09dcff805ddd6416ec5672f6263de267db4577f6c1a","target":"graph","created_at":"2026-05-18T01:55:07Z","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 effect of temperature (T) and angular momentum (J) on the inverse level density parameter (k) has been studied by populating the compound nucleus $^{97}$Tc in the reaction $^{4}$He + $^{93}$Nb at four incident beam energies of 28, 35, 42 and 50 MeV. For all the four energies, the value of k decreases with increasing J. The T dependence of k has been compared for two angular momentum windows with different theoretical predictions as well as with FTBCS1 calculation which takes into account the quasiparticle-number fluctuations in the pairing field. Interestingly, the experimental data are in","authors_text":"A. De, Balaram Dey, Debasish Mondal, Deepak Pandit, K. Banerjee, N. Dinh Dang, N. Quang Hung, S. Mukhopadhyay, S. R. Banerjee, Srijit Bhattacharya, Surajit Pal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-07T05:48:19Z","title":"Experimental investigation on the temperature dependence of the nuclear level density parameter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.01369","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":"sha256:83684c460b23ce5fbd90b2126440c019afe7de4a76b9ba95bab983ed80fbfee4","target":"record","created_at":"2026-05-18T01:55:07Z","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":"16944f8785619da9854c0a9d02aaa3e25a30d073b47fb330124dc2c62aff92d4","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2015-01-07T05:48:19Z","title_canon_sha256":"cf8ef30596e4c77333adb04b944fd441084821d40eebc580150da414381e1d1d"},"schema_version":"1.0","source":{"id":"1501.01369","kind":"arxiv","version":1}},"canonical_sha256":"d78da753a06559963310c4924d6c836c067465ee05c81ff99095840c40d4d143","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d78da753a06559963310c4924d6c836c067465ee05c81ff99095840c40d4d143","first_computed_at":"2026-05-18T01:55:07.409328Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:55:07.409328Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"J11X9BS/XjZ9PG61hm7FPWadWLkBcB43+P0T7FQ2gvEb++aB4JtoBbrQWMwoe4Jueolaqul8SWicBGqs9fpdDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:55:07.409773Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.01369","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:83684c460b23ce5fbd90b2126440c019afe7de4a76b9ba95bab983ed80fbfee4","sha256:d476d895bd90af6f7ee0d09dcff805ddd6416ec5672f6263de267db4577f6c1a"],"state_sha256":"ed9944c6717f4a016a1025b37f0b23ef25ef3a6adbea1312dbf2337ca4d10cf2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y2y48Ml8bS2Sju0XT06u9TKbGlIkHpokAIWiUX7ykNTX45sSbBbfdlLFoeddLCSiE/NSWep0Quf0Gdmaws3bCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T14:48:35.328481Z","bundle_sha256":"d6885d92ca7611ec99f97875ca5fc05503129183f3ae2bc8080fe814ba5b74cb"}}