{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:EIUFTREV3XKZYPS7YFBC2ETRWM","short_pith_number":"pith:EIUFTREV","canonical_record":{"source":{"id":"astro-ph/9611191","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-11-22T16:59:01Z","cross_cats_sorted":[],"title_canon_sha256":"dc3f0949228d5ff2cb6c71a84cf64d0729b09bfbf2c3679f41316c8126ea7bcd","abstract_canon_sha256":"81b9b7a8fcd5b2416d65b9491c84e849356d91c9725b5898a937be7fa730b739"},"schema_version":"1.0"},"canonical_sha256":"222859c495ddd59c3e5fc1422d1271b30f08c370229dfb37193d0c58d482b18c","source":{"kind":"arxiv","id":"astro-ph/9611191","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9611191","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9611191v1","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9611191","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"pith_short_12","alias_value":"EIUFTREV3XKZ","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"pith_short_16","alias_value":"EIUFTREV3XKZYPS7","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"pith_short_8","alias_value":"EIUFTREV","created_at":"2026-07-04T14:49:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:EIUFTREV3XKZYPS7YFBC2ETRWM","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9611191","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-11-22T16:59:01Z","cross_cats_sorted":[],"title_canon_sha256":"dc3f0949228d5ff2cb6c71a84cf64d0729b09bfbf2c3679f41316c8126ea7bcd","abstract_canon_sha256":"81b9b7a8fcd5b2416d65b9491c84e849356d91c9725b5898a937be7fa730b739"},"schema_version":"1.0"},"canonical_sha256":"222859c495ddd59c3e5fc1422d1271b30f08c370229dfb37193d0c58d482b18c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:49:15.252991Z","signature_b64":"hM6STAU7+FtXV20H3f4lM46xOMjd5fCENG2Y2MiVivOf4jsKSqNzU1uVfa/WoGGB453j9y/Uz82kyHhsktg5BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"222859c495ddd59c3e5fc1422d1271b30f08c370229dfb37193d0c58d482b18c","last_reissued_at":"2026-07-04T14:49:15.252079Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:49:15.252079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9611191","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":"2026-07-04T14:49:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aFZoGzESHfXcMzWozi3p2h9fgOn1GiR2ZPcO9nYI7tVnH1tTnjwM96nYFzlfp3lIR3o24t5bSYGqhru1DDXnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:51:37.973026Z"},"content_sha256":"d3d7f75ef0cf4d2351e3d10397010fa05eec99f96479f89c9e97cd4e9d6681d3","schema_version":"1.0","event_id":"sha256:d3d7f75ef0cf4d2351e3d10397010fa05eec99f96479f89c9e97cd4e9d6681d3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:EIUFTREV3XKZYPS7YFBC2ETRWM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The rate of Supernovae from the combined sample of five searches","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"C. Pollas, D.Yu. Tsvetkov, E. Cappellaro, M. Hamuy, M. Turatto, O.S. Bartunov, R. Evans","submitted_at":"1996-11-22T16:59:01Z","abstract_excerpt":"With the purpose to obtain new estimates of the rate of supernovae we joined the logs of five SN searches, namely the Asiago, Crimea, Cal{\\'a}n-Tololo and OCA photographic surveys and the visual search by Evans (the sample counts 110 SNe). We found that the most prolific galaxies are late spirals in which most SNe are of type II (0.88 SNu). SN Ib/c are rarer than SN Ia (0.16 and 0.24 SNu, respectively), ruling out previous claims of a very high rate of SNIb/c. We also found that the rate of SN Ia in ellipticals (0.13 SNu) is smaller than in spirals, supporting the hypothesis of different ages "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9611191","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/astro-ph/9611191/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":"2026-07-04T14:49:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JXB9r1XD5zrfExm5F/Q5xKEwAWXXn+ckhpE5bRCGGhNEvMsl7E4r99M2v3lPV57ynCnTrtOIwZz7On3LztsbCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T17:51:37.973550Z"},"content_sha256":"ac7b3bb4401e6fe12fb13e2d7011b0db836632cb1e52909b8caa2b96d40427fd","schema_version":"1.0","event_id":"sha256:ac7b3bb4401e6fe12fb13e2d7011b0db836632cb1e52909b8caa2b96d40427fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EIUFTREV3XKZYPS7YFBC2ETRWM/bundle.json","state_url":"https://pith.science/pith/EIUFTREV3XKZYPS7YFBC2ETRWM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EIUFTREV3XKZYPS7YFBC2ETRWM/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":"2026-08-23T17:51:37Z","links":{"resolver":"https://pith.science/pith/EIUFTREV3XKZYPS7YFBC2ETRWM","bundle":"https://pith.science/pith/EIUFTREV3XKZYPS7YFBC2ETRWM/bundle.json","state":"https://pith.science/pith/EIUFTREV3XKZYPS7YFBC2ETRWM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EIUFTREV3XKZYPS7YFBC2ETRWM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:EIUFTREV3XKZYPS7YFBC2ETRWM","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":"81b9b7a8fcd5b2416d65b9491c84e849356d91c9725b5898a937be7fa730b739","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-11-22T16:59:01Z","title_canon_sha256":"dc3f0949228d5ff2cb6c71a84cf64d0729b09bfbf2c3679f41316c8126ea7bcd"},"schema_version":"1.0","source":{"id":"astro-ph/9611191","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9611191","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9611191v1","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9611191","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"pith_short_12","alias_value":"EIUFTREV3XKZ","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"pith_short_16","alias_value":"EIUFTREV3XKZYPS7","created_at":"2026-07-04T14:49:15Z"},{"alias_kind":"pith_short_8","alias_value":"EIUFTREV","created_at":"2026-07-04T14:49:15Z"}],"graph_snapshots":[{"event_id":"sha256:ac7b3bb4401e6fe12fb13e2d7011b0db836632cb1e52909b8caa2b96d40427fd","target":"graph","created_at":"2026-07-04T14:49:15Z","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/astro-ph/9611191/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"With the purpose to obtain new estimates of the rate of supernovae we joined the logs of five SN searches, namely the Asiago, Crimea, Cal{\\'a}n-Tololo and OCA photographic surveys and the visual search by Evans (the sample counts 110 SNe). We found that the most prolific galaxies are late spirals in which most SNe are of type II (0.88 SNu). SN Ib/c are rarer than SN Ia (0.16 and 0.24 SNu, respectively), ruling out previous claims of a very high rate of SNIb/c. We also found that the rate of SN Ia in ellipticals (0.13 SNu) is smaller than in spirals, supporting the hypothesis of different ages ","authors_text":"C. Pollas, D.Yu. Tsvetkov, E. Cappellaro, M. Hamuy, M. Turatto, O.S. Bartunov, R. Evans","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1996-11-22T16:59:01Z","title":"The rate of Supernovae from the combined sample of five searches"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9611191","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:d3d7f75ef0cf4d2351e3d10397010fa05eec99f96479f89c9e97cd4e9d6681d3","target":"record","created_at":"2026-07-04T14:49:15Z","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":"81b9b7a8fcd5b2416d65b9491c84e849356d91c9725b5898a937be7fa730b739","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-11-22T16:59:01Z","title_canon_sha256":"dc3f0949228d5ff2cb6c71a84cf64d0729b09bfbf2c3679f41316c8126ea7bcd"},"schema_version":"1.0","source":{"id":"astro-ph/9611191","kind":"arxiv","version":1}},"canonical_sha256":"222859c495ddd59c3e5fc1422d1271b30f08c370229dfb37193d0c58d482b18c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"222859c495ddd59c3e5fc1422d1271b30f08c370229dfb37193d0c58d482b18c","first_computed_at":"2026-07-04T14:49:15.252079Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:49:15.252079Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hM6STAU7+FtXV20H3f4lM46xOMjd5fCENG2Y2MiVivOf4jsKSqNzU1uVfa/WoGGB453j9y/Uz82kyHhsktg5BA==","signature_status":"signed_v1","signed_at":"2026-07-04T14:49:15.252991Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9611191","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3d7f75ef0cf4d2351e3d10397010fa05eec99f96479f89c9e97cd4e9d6681d3","sha256:ac7b3bb4401e6fe12fb13e2d7011b0db836632cb1e52909b8caa2b96d40427fd"],"state_sha256":"f523aafdba9da82d80c9062375076db5f276cb9f3f533a3924325c9d4e6d9f5e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fc4qgVACbPa11KuTMZ0t2UXWkslx8EZcx2yBVUjKzF8mkqIyptLue7cX/c7kXP+8H2JM8zO6USl+CTyTfhriBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T17:51:37.979363Z","bundle_sha256":"074f7734944b752d942427b277781ee5428acfe479ef0023a57cca4d23d1a5f0"}}