{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:UEWDPNXXGT3CZYDY2Q54MFQ5LD","short_pith_number":"pith:UEWDPNXX","canonical_record":{"source":{"id":"nucl-ex/0004005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2000-04-11T17:25:15Z","cross_cats_sorted":[],"title_canon_sha256":"94734fe14e74c017b7a94447d7c1e2ab6f745c9f53b592dba1cf4a4e19626e97","abstract_canon_sha256":"10be0e3b4b03a774e1113c91f962802fe474af810fe2b2c0e5f09b5adb0e91ae"},"schema_version":"1.0"},"canonical_sha256":"a12c37b6f734f62ce078d43bc6161d58f8d2b3b736e270ca4854cdfac3918404","source":{"kind":"arxiv","id":"nucl-ex/0004005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0004005","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0004005v1","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0004005","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"UEWDPNXXGT3C","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"pith_short_16","alias_value":"UEWDPNXXGT3CZYDY","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"pith_short_8","alias_value":"UEWDPNXX","created_at":"2026-07-04T16:21:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:UEWDPNXXGT3CZYDY2Q54MFQ5LD","target":"record","payload":{"canonical_record":{"source":{"id":"nucl-ex/0004005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"nucl-ex","submitted_at":"2000-04-11T17:25:15Z","cross_cats_sorted":[],"title_canon_sha256":"94734fe14e74c017b7a94447d7c1e2ab6f745c9f53b592dba1cf4a4e19626e97","abstract_canon_sha256":"10be0e3b4b03a774e1113c91f962802fe474af810fe2b2c0e5f09b5adb0e91ae"},"schema_version":"1.0"},"canonical_sha256":"a12c37b6f734f62ce078d43bc6161d58f8d2b3b736e270ca4854cdfac3918404","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:21:28.117981Z","signature_b64":"ZIcyVmtgoxEcGEWsfoHg7/IWMBtDMqWZZ506aUCyLldC6FgFXcb7XuLDJdiRDoAPEhoiCmNgf3Ua4vb284VaBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a12c37b6f734f62ce078d43bc6161d58f8d2b3b736e270ca4854cdfac3918404","last_reissued_at":"2026-07-04T16:21:28.117567Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:21:28.117567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"nucl-ex/0004005","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":"2026-07-04T16:21:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iS64lXeehlzmMlbdIdVDq1PpJkpKC7kLp0dycLPd/aGaI+kmIxP6rHQH5o5rBTYOZlZUJXoz0zaohukOqIJWDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T01:47:27.912376Z"},"content_sha256":"7b9a6874bbc3ff95cab6d7afc99e1b378dbd675f553745ee5cf9d22662197164","schema_version":"1.0","event_id":"sha256:7b9a6874bbc3ff95cab6d7afc99e1b378dbd675f553745ee5cf9d22662197164"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:UEWDPNXXGT3CZYDY2Q54MFQ5LD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Signals for a Transition from Surface to Bulk Emission in Thermal Multifragmentation","license":"","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Ruangma, B. Back, D. Rowland, D.S. Bracken, D.S. Ginger, E. Cornell, E. Martin, E. Ramakrishnan, E. Winchester, F. Gimeno-Nogues, G. Wang, H. Breuer, K.B. Morley, K. Kwiatkowski, L. Beaulieu, L. Pienkowski, L.P. Remsberg, R.G. Korteling, R. Laforest, R.T. de Souza, S. Gushue, S.J. Yennello, T. Lefort, V.E. Viola, W.-c. Hsi","submitted_at":"2000-04-11T17:25:15Z","abstract_excerpt":"Excitation-energy-gated two-fragment correlation functions have been studied between 2 to 9A MeV of excitation energy for equilibrium-like sources formed in $\\pi^-$ and p + $^{197}$Au reactions at beam momenta of 8,9.2 and 10.2 GeV/c. Comparison of the data to an N-body Coulomb-trajectory code shows a decrease of one order of magnitude in the fragment emission time in the excitation energy interval 2-5A MeV, followed by a nearly constant breakup time at higher excitation energy. The observed decrease in emission time is shown to be strongly correlated with the increase of the fragment emission"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0004005","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/nucl-ex/0004005/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T16:21:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8o+YvLBgvDtCXt9n8PRnOf9/e6n5jRUYk/nHx7JBtSSl1CFRdgYhnwOPspRTEh3Pn0/q+l1g6fM7O5ayP+SAAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T01:47:27.912753Z"},"content_sha256":"100b50be0f1d837038f54f40d3e611989d0a8c7098f49e553f30e98eb738467a","schema_version":"1.0","event_id":"sha256:100b50be0f1d837038f54f40d3e611989d0a8c7098f49e553f30e98eb738467a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD/bundle.json","state_url":"https://pith.science/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD/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":"2026-07-05T01:47:27Z","links":{"resolver":"https://pith.science/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD","bundle":"https://pith.science/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD/bundle.json","state":"https://pith.science/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UEWDPNXXGT3CZYDY2Q54MFQ5LD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:UEWDPNXXGT3CZYDY2Q54MFQ5LD","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":"10be0e3b4b03a774e1113c91f962802fe474af810fe2b2c0e5f09b5adb0e91ae","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2000-04-11T17:25:15Z","title_canon_sha256":"94734fe14e74c017b7a94447d7c1e2ab6f745c9f53b592dba1cf4a4e19626e97"},"schema_version":"1.0","source":{"id":"nucl-ex/0004005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"nucl-ex/0004005","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"arxiv_version","alias_value":"nucl-ex/0004005v1","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.nucl-ex/0004005","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"pith_short_12","alias_value":"UEWDPNXXGT3C","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"pith_short_16","alias_value":"UEWDPNXXGT3CZYDY","created_at":"2026-07-04T16:21:28Z"},{"alias_kind":"pith_short_8","alias_value":"UEWDPNXX","created_at":"2026-07-04T16:21:28Z"}],"graph_snapshots":[{"event_id":"sha256:100b50be0f1d837038f54f40d3e611989d0a8c7098f49e553f30e98eb738467a","target":"graph","created_at":"2026-07-04T16:21:28Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/nucl-ex/0004005/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Excitation-energy-gated two-fragment correlation functions have been studied between 2 to 9A MeV of excitation energy for equilibrium-like sources formed in $\\pi^-$ and p + $^{197}$Au reactions at beam momenta of 8,9.2 and 10.2 GeV/c. Comparison of the data to an N-body Coulomb-trajectory code shows a decrease of one order of magnitude in the fragment emission time in the excitation energy interval 2-5A MeV, followed by a nearly constant breakup time at higher excitation energy. The observed decrease in emission time is shown to be strongly correlated with the increase of the fragment emission","authors_text":"A. Ruangma, B. Back, D. Rowland, D.S. Bracken, D.S. Ginger, E. Cornell, E. Martin, E. Ramakrishnan, E. Winchester, F. Gimeno-Nogues, G. Wang, H. Breuer, K.B. Morley, K. Kwiatkowski, L. Beaulieu, L. Pienkowski, L.P. Remsberg, R.G. Korteling, R. Laforest, R.T. de Souza, S. Gushue, S.J. Yennello, T. Lefort, V.E. Viola, W.-c. Hsi","cross_cats":[],"headline":"","license":"","primary_cat":"nucl-ex","submitted_at":"2000-04-11T17:25:15Z","title":"Signals for a Transition from Surface to Bulk Emission in Thermal Multifragmentation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"nucl-ex/0004005","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":"sha256:7b9a6874bbc3ff95cab6d7afc99e1b378dbd675f553745ee5cf9d22662197164","target":"record","created_at":"2026-07-04T16:21:28Z","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":"10be0e3b4b03a774e1113c91f962802fe474af810fe2b2c0e5f09b5adb0e91ae","cross_cats_sorted":[],"license":"","primary_cat":"nucl-ex","submitted_at":"2000-04-11T17:25:15Z","title_canon_sha256":"94734fe14e74c017b7a94447d7c1e2ab6f745c9f53b592dba1cf4a4e19626e97"},"schema_version":"1.0","source":{"id":"nucl-ex/0004005","kind":"arxiv","version":1}},"canonical_sha256":"a12c37b6f734f62ce078d43bc6161d58f8d2b3b736e270ca4854cdfac3918404","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a12c37b6f734f62ce078d43bc6161d58f8d2b3b736e270ca4854cdfac3918404","first_computed_at":"2026-07-04T16:21:28.117567Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:21:28.117567Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZIcyVmtgoxEcGEWsfoHg7/IWMBtDMqWZZ506aUCyLldC6FgFXcb7XuLDJdiRDoAPEhoiCmNgf3Ua4vb284VaBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T16:21:28.117981Z","signed_message":"canonical_sha256_bytes"},"source_id":"nucl-ex/0004005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b9a6874bbc3ff95cab6d7afc99e1b378dbd675f553745ee5cf9d22662197164","sha256:100b50be0f1d837038f54f40d3e611989d0a8c7098f49e553f30e98eb738467a"],"state_sha256":"cf9f255d0b73ef58c05e1d227d78351c13ed39e37b2fcb04e0e7e4032cfd1795"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kt7/CiymjrChLz1vMshJZJtp4/aTOK/Adq/juG/bTQrh/DHJPcWUAdA8XAxqVJswYSg6qMdhLqWKirx0ClA/Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T01:47:27.915092Z","bundle_sha256":"42cd3358efdc460b2e135a77a952828bbc86a10e2adb499daa4a9521d0986d87"}}