{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:RAVZBITC2LSDMYAKHI3MTEWRXB","short_pith_number":"pith:RAVZBITC","canonical_record":{"source":{"id":"1909.00679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-09-02T11:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"0d15211f849f557a707b37df9781978491a304a04a9455ab29c2856d8a596457","abstract_canon_sha256":"621423b71085046380f4c5f9a34a8ae276c0a2c46c4bb967ad57e20629571635"},"schema_version":"1.0"},"canonical_sha256":"882b90a262d2e436600a3a36c992d1b86bcf0ccd5b69085846fc2920a8c2cf8a","source":{"kind":"arxiv","id":"1909.00679","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.00679","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"arxiv_version","alias_value":"1909.00679v1","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.00679","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"pith_short_12","alias_value":"RAVZBITC2LSD","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"pith_short_16","alias_value":"RAVZBITC2LSDMYAK","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"pith_short_8","alias_value":"RAVZBITC","created_at":"2026-07-05T00:01:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:RAVZBITC2LSDMYAKHI3MTEWRXB","target":"record","payload":{"canonical_record":{"source":{"id":"1909.00679","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-09-02T11:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"0d15211f849f557a707b37df9781978491a304a04a9455ab29c2856d8a596457","abstract_canon_sha256":"621423b71085046380f4c5f9a34a8ae276c0a2c46c4bb967ad57e20629571635"},"schema_version":"1.0"},"canonical_sha256":"882b90a262d2e436600a3a36c992d1b86bcf0ccd5b69085846fc2920a8c2cf8a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:01:11.928412Z","signature_b64":"Ic+f6FtOzQ8vuT74I8glnaaaPCzA7ebO002vYlih5vAWdeMn9e2pr20tKna8j9ZTDXc4fWd/5C1ZVNFBUOl7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"882b90a262d2e436600a3a36c992d1b86bcf0ccd5b69085846fc2920a8c2cf8a","last_reissued_at":"2026-07-05T00:01:11.928056Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:01:11.928056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1909.00679","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":"2026-07-05T00:01:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GjmDgo5UHd7D9WhfsZh6fS5pi3SM9/cNdsgjO2boY81smV4fsfak3x/MAL+WZobJfMcnPe/AM04Kl3SDjwctDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T16:39:52.209196Z"},"content_sha256":"57c7cbe382def5a5831874f361da9b43541c03cd9f949c9481a407c11ad8591f","schema_version":"1.0","event_id":"sha256:57c7cbe382def5a5831874f361da9b43541c03cd9f949c9481a407c11ad8591f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:RAVZBITC2LSDMYAKHI3MTEWRXB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Oral History Interview with Marcello Cresti","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.hist-ph","authors_text":"Alessandro de Angelis, Marcello Cresti","submitted_at":"2019-09-02T11:50:21Z","abstract_excerpt":"Marcello Cresti graduated in Physics in 1950 at the University of Pisa by attending the Scuola Normale Superiore; he became professor of Experimental Physics in Padua in 1965, and then Rector of the University of Padua in 1984. His research was focused on the physics of cosmic rays and elementary particles; he started collaborations with research laboratories in Berkeley, Geneva, and with Max-Planck Institutes, which influenced the evolution of research on fundamental physics."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.00679","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/1909.00679/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":"2026-07-05T00:01:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9+eAjX14b7SqgIa+eM4KRnI/wJgc5LZZR5xwcMDNsBi1RYyZC5f2E5vruokVXrpwX6Lm8p+dczk4/2zgKFbpCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T16:39:52.209704Z"},"content_sha256":"50693b9f569a871fd5765e8e16cfb98b6c31e729e7994e07791ad642f7766a6a","schema_version":"1.0","event_id":"sha256:50693b9f569a871fd5765e8e16cfb98b6c31e729e7994e07791ad642f7766a6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RAVZBITC2LSDMYAKHI3MTEWRXB/bundle.json","state_url":"https://pith.science/pith/RAVZBITC2LSDMYAKHI3MTEWRXB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RAVZBITC2LSDMYAKHI3MTEWRXB/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":"2026-08-14T16:39:52Z","links":{"resolver":"https://pith.science/pith/RAVZBITC2LSDMYAKHI3MTEWRXB","bundle":"https://pith.science/pith/RAVZBITC2LSDMYAKHI3MTEWRXB/bundle.json","state":"https://pith.science/pith/RAVZBITC2LSDMYAKHI3MTEWRXB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RAVZBITC2LSDMYAKHI3MTEWRXB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:RAVZBITC2LSDMYAKHI3MTEWRXB","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":"621423b71085046380f4c5f9a34a8ae276c0a2c46c4bb967ad57e20629571635","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-09-02T11:50:21Z","title_canon_sha256":"0d15211f849f557a707b37df9781978491a304a04a9455ab29c2856d8a596457"},"schema_version":"1.0","source":{"id":"1909.00679","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1909.00679","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"arxiv_version","alias_value":"1909.00679v1","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1909.00679","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"pith_short_12","alias_value":"RAVZBITC2LSD","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"pith_short_16","alias_value":"RAVZBITC2LSDMYAK","created_at":"2026-07-05T00:01:11Z"},{"alias_kind":"pith_short_8","alias_value":"RAVZBITC","created_at":"2026-07-05T00:01:11Z"}],"graph_snapshots":[{"event_id":"sha256:50693b9f569a871fd5765e8e16cfb98b6c31e729e7994e07791ad642f7766a6a","target":"graph","created_at":"2026-07-05T00:01:11Z","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/1909.00679/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Marcello Cresti graduated in Physics in 1950 at the University of Pisa by attending the Scuola Normale Superiore; he became professor of Experimental Physics in Padua in 1965, and then Rector of the University of Padua in 1984. His research was focused on the physics of cosmic rays and elementary particles; he started collaborations with research laboratories in Berkeley, Geneva, and with Max-Planck Institutes, which influenced the evolution of research on fundamental physics.","authors_text":"Alessandro de Angelis, Marcello Cresti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-09-02T11:50:21Z","title":"Oral History Interview with Marcello Cresti"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1909.00679","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":"sha256:57c7cbe382def5a5831874f361da9b43541c03cd9f949c9481a407c11ad8591f","target":"record","created_at":"2026-07-05T00:01:11Z","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":"621423b71085046380f4c5f9a34a8ae276c0a2c46c4bb967ad57e20629571635","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.hist-ph","submitted_at":"2019-09-02T11:50:21Z","title_canon_sha256":"0d15211f849f557a707b37df9781978491a304a04a9455ab29c2856d8a596457"},"schema_version":"1.0","source":{"id":"1909.00679","kind":"arxiv","version":1}},"canonical_sha256":"882b90a262d2e436600a3a36c992d1b86bcf0ccd5b69085846fc2920a8c2cf8a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"882b90a262d2e436600a3a36c992d1b86bcf0ccd5b69085846fc2920a8c2cf8a","first_computed_at":"2026-07-05T00:01:11.928056Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:01:11.928056Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ic+f6FtOzQ8vuT74I8glnaaaPCzA7ebO002vYlih5vAWdeMn9e2pr20tKna8j9ZTDXc4fWd/5C1ZVNFBUOl7DA==","signature_status":"signed_v1","signed_at":"2026-07-05T00:01:11.928412Z","signed_message":"canonical_sha256_bytes"},"source_id":"1909.00679","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:57c7cbe382def5a5831874f361da9b43541c03cd9f949c9481a407c11ad8591f","sha256:50693b9f569a871fd5765e8e16cfb98b6c31e729e7994e07791ad642f7766a6a"],"state_sha256":"3924bcdfd6e9a3686d74628f778cfcd77dafc2be4f4e51aedaaa5bd2f4f9e1c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lG2v/S1eE0euXn93XMGLizJWc6MbRE28VvH04fBmHC/WBp/kA0edQre5Mi17/xlVR3fa/frAi/EAZ43rzkVwDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T16:39:52.240215Z","bundle_sha256":"24e211a8cdd0ca6c3ca588355a5051527dc322a0f42b656bf19d6887b1a359f3"}}