{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:RUDNANQXLCNF3CV7XBTIQSLU22","short_pith_number":"pith:RUDNANQX","canonical_record":{"source":{"id":"1609.02923","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-09T20:00:07Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"3dd5881193715f0a3a57a074ac5cfabe091204c0145cdc4c04675bb2a3133590","abstract_canon_sha256":"0bf07e3eec1d0a3d86787c3874ea939733909b375705140aa950956afe254266"},"schema_version":"1.0"},"canonical_sha256":"8d06d03617589a5d8abfb866884974d69a494258b98b90c8dbe5f11a3f606799","source":{"kind":"arxiv","id":"1609.02923","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02923","created_at":"2026-05-18T00:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02923v2","created_at":"2026-05-18T00:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02923","created_at":"2026-05-18T00:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"RUDNANQXLCNF","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RUDNANQXLCNF3CV7","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RUDNANQX","created_at":"2026-05-18T12:30:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:RUDNANQXLCNF3CV7XBTIQSLU22","target":"record","payload":{"canonical_record":{"source":{"id":"1609.02923","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-09T20:00:07Z","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"title_canon_sha256":"3dd5881193715f0a3a57a074ac5cfabe091204c0145cdc4c04675bb2a3133590","abstract_canon_sha256":"0bf07e3eec1d0a3d86787c3874ea939733909b375705140aa950956afe254266"},"schema_version":"1.0"},"canonical_sha256":"8d06d03617589a5d8abfb866884974d69a494258b98b90c8dbe5f11a3f606799","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:59.860477Z","signature_b64":"s/hpf90WHmLhpr6CSNnzcm8uTa+AAYLtzS43uvGY3VJSlfaYlah0uuHKDpawFRvhO2GVlPhfyF3roKVMtWP7DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8d06d03617589a5d8abfb866884974d69a494258b98b90c8dbe5f11a3f606799","last_reissued_at":"2026-05-18T00:48:59.859815Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:59.859815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.02923","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QMbQFbQUujWe/07bAVGd9C+uuo7OIw2vt7AtuJQkd/ff2mlSZSjbVLKaajZEIPoSNCdpdqZ7cN3lho0J5RfBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:26:46.431797Z"},"content_sha256":"9ba91a92bdacb578cf5dfadf3fe5ffb0f816cf4a4a6c1790cd88f390753fcbb7","schema_version":"1.0","event_id":"sha256:9ba91a92bdacb578cf5dfadf3fe5ffb0f816cf4a4a6c1790cd88f390753fcbb7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:RUDNANQXLCNF3CV7XBTIQSLU22","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LOSS Revisited - II: The relative rates of different types of supernovae vary between low- and high-mass galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"Alexei V. Filippenko, Federica B. Bianco, Isaac Shivvers, Maryam Modjaz, Nathan Smith, Or Graur, Weidong Li","submitted_at":"2016-09-09T20:00:07Z","abstract_excerpt":"In Paper I of this series, we showed that the ratio between stripped-envelope (SE) supernova (SN) and Type II SN rates reveals a significant SE SN deficiency in galaxies with stellar masses $\\lesssim 10^{10}~{\\rm M}_\\odot$. Here, we test this result by splitting the volume-limited subsample of the Lick Observatory Supernova Search (LOSS) SN sample into low- and high-mass galaxies and comparing the relative rates of various SN types found in them. The LOSS volume-limited sample contains 180 SNe and SN impostors and is complete for SNe Ia out to 80 Mpc and core-collapse SNe out to 60 Mpc. All of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02923","kind":"arxiv","version":2},"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":"2026-05-18T00:48:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J8zBH9cbF7dGjpyq/7v70Nx+FyCJnGZmfUEhOyUQl8poeavu17/I1/SMlMO4IrnOodBhcyOXe/Fe4aCELDG/Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-20T08:26:46.432193Z"},"content_sha256":"769bb90b6a1246a279ab8937d50b3bb14a2078c2b8cd296c2937479b7878c119","schema_version":"1.0","event_id":"sha256:769bb90b6a1246a279ab8937d50b3bb14a2078c2b8cd296c2937479b7878c119"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RUDNANQXLCNF3CV7XBTIQSLU22/bundle.json","state_url":"https://pith.science/pith/RUDNANQXLCNF3CV7XBTIQSLU22/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RUDNANQXLCNF3CV7XBTIQSLU22/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":"2026-05-20T08:26:46Z","links":{"resolver":"https://pith.science/pith/RUDNANQXLCNF3CV7XBTIQSLU22","bundle":"https://pith.science/pith/RUDNANQXLCNF3CV7XBTIQSLU22/bundle.json","state":"https://pith.science/pith/RUDNANQXLCNF3CV7XBTIQSLU22/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RUDNANQXLCNF3CV7XBTIQSLU22/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:RUDNANQXLCNF3CV7XBTIQSLU22","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":"0bf07e3eec1d0a3d86787c3874ea939733909b375705140aa950956afe254266","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-09T20:00:07Z","title_canon_sha256":"3dd5881193715f0a3a57a074ac5cfabe091204c0145cdc4c04675bb2a3133590"},"schema_version":"1.0","source":{"id":"1609.02923","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.02923","created_at":"2026-05-18T00:48:59Z"},{"alias_kind":"arxiv_version","alias_value":"1609.02923v2","created_at":"2026-05-18T00:48:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.02923","created_at":"2026-05-18T00:48:59Z"},{"alias_kind":"pith_short_12","alias_value":"RUDNANQXLCNF","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_16","alias_value":"RUDNANQXLCNF3CV7","created_at":"2026-05-18T12:30:41Z"},{"alias_kind":"pith_short_8","alias_value":"RUDNANQX","created_at":"2026-05-18T12:30:41Z"}],"graph_snapshots":[{"event_id":"sha256:769bb90b6a1246a279ab8937d50b3bb14a2078c2b8cd296c2937479b7878c119","target":"graph","created_at":"2026-05-18T00:48:59Z","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":"In Paper I of this series, we showed that the ratio between stripped-envelope (SE) supernova (SN) and Type II SN rates reveals a significant SE SN deficiency in galaxies with stellar masses $\\lesssim 10^{10}~{\\rm M}_\\odot$. Here, we test this result by splitting the volume-limited subsample of the Lick Observatory Supernova Search (LOSS) SN sample into low- and high-mass galaxies and comparing the relative rates of various SN types found in them. The LOSS volume-limited sample contains 180 SNe and SN impostors and is complete for SNe Ia out to 80 Mpc and core-collapse SNe out to 60 Mpc. All of","authors_text":"Alexei V. Filippenko, Federica B. Bianco, Isaac Shivvers, Maryam Modjaz, Nathan Smith, Or Graur, Weidong Li","cross_cats":["astro-ph.CO","astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-09T20:00:07Z","title":"LOSS Revisited - II: The relative rates of different types of supernovae vary between low- and high-mass galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.02923","kind":"arxiv","version":2},"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":"sha256:9ba91a92bdacb578cf5dfadf3fe5ffb0f816cf4a4a6c1790cd88f390753fcbb7","target":"record","created_at":"2026-05-18T00:48:59Z","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":"0bf07e3eec1d0a3d86787c3874ea939733909b375705140aa950956afe254266","cross_cats_sorted":["astro-ph.CO","astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-09-09T20:00:07Z","title_canon_sha256":"3dd5881193715f0a3a57a074ac5cfabe091204c0145cdc4c04675bb2a3133590"},"schema_version":"1.0","source":{"id":"1609.02923","kind":"arxiv","version":2}},"canonical_sha256":"8d06d03617589a5d8abfb866884974d69a494258b98b90c8dbe5f11a3f606799","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8d06d03617589a5d8abfb866884974d69a494258b98b90c8dbe5f11a3f606799","first_computed_at":"2026-05-18T00:48:59.859815Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:59.859815Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s/hpf90WHmLhpr6CSNnzcm8uTa+AAYLtzS43uvGY3VJSlfaYlah0uuHKDpawFRvhO2GVlPhfyF3roKVMtWP7DA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:59.860477Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.02923","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ba91a92bdacb578cf5dfadf3fe5ffb0f816cf4a4a6c1790cd88f390753fcbb7","sha256:769bb90b6a1246a279ab8937d50b3bb14a2078c2b8cd296c2937479b7878c119"],"state_sha256":"5f8469c2d80fa78347007b3dbcb16ee9dbde02a384a84ff82f2c416a33618d1a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NpjlbHLWko/VmSrj8VZmx5cPE3YqHpZhMJFBp0VrhM466Y6M7XFsiMkbvFqdEIIV2OGrqW6z0M70Js3RQ2LNBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-20T08:26:46.434183Z","bundle_sha256":"5c915170b586e1792c7656dfde20cf9585d2be273c6dbac7a3c0ca6a61fddcba"}}