{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:5XU22SVYTZT5DHNSLJKB7DBMYE","short_pith_number":"pith:5XU22SVY","canonical_record":{"source":{"id":"1301.6766","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-28T21:02:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b2c64444a7a6c8eafd1177695f7d69ebfd29a2485d6fbaf77e618270bca434a9","abstract_canon_sha256":"cd4550202daeec3b08b833d0e3b4258b1d690f81fc78af44c3d3ab28f8e728e5"},"schema_version":"1.0"},"canonical_sha256":"ede9ad4ab89e67d19db25a541f8c2cc13e0a1dd1e7d5acd9c137a23b04fff263","source":{"kind":"arxiv","id":"1301.6766","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.6766","created_at":"2026-05-18T03:35:12Z"},{"alias_kind":"arxiv_version","alias_value":"1301.6766v1","created_at":"2026-05-18T03:35:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.6766","created_at":"2026-05-18T03:35:12Z"},{"alias_kind":"pith_short_12","alias_value":"5XU22SVYTZT5","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5XU22SVYTZT5DHNS","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5XU22SVY","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:5XU22SVYTZT5DHNSLJKB7DBMYE","target":"record","payload":{"canonical_record":{"source":{"id":"1301.6766","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-28T21:02:06Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"b2c64444a7a6c8eafd1177695f7d69ebfd29a2485d6fbaf77e618270bca434a9","abstract_canon_sha256":"cd4550202daeec3b08b833d0e3b4258b1d690f81fc78af44c3d3ab28f8e728e5"},"schema_version":"1.0"},"canonical_sha256":"ede9ad4ab89e67d19db25a541f8c2cc13e0a1dd1e7d5acd9c137a23b04fff263","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:35:12.425074Z","signature_b64":"0wdMVtOE4XWXO7kml476OYiKe46T/10zlseHmrBf9FudG2FTSZorM1jU/asv/MBOnfoDviGYBJA204wH94lYDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ede9ad4ab89e67d19db25a541f8c2cc13e0a1dd1e7d5acd9c137a23b04fff263","last_reissued_at":"2026-05-18T03:35:12.424531Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:35:12.424531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1301.6766","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":"2026-05-18T03:35:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PwVIk7gIjOdbSFHFG5icLIIjms0RUYdBfkwvRKQKEWF/gzcKpEB37sRxcQtk3iyfdhXrTobKWd3xAoQ0VtY3BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:21:39.906892Z"},"content_sha256":"bc4bb408c5ab86e00d40ceca17b93d40eae47e3b4e4013740820af65cb99a778","schema_version":"1.0","event_id":"sha256:bc4bb408c5ab86e00d40ceca17b93d40eae47e3b4e4013740820af65cb99a778"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:5XU22SVYTZT5DHNSLJKB7DBMYE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An exact integral relation between the Ni56 mass and the bolometric light curve of a type Ia supernova","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Boaz Katz, Doron Kushnir, Subo Dong (IAS)","submitted_at":"2013-01-28T21:02:06Z","abstract_excerpt":"An exact relation between the Ni56 mass and the bolometric light curve of a type Ia supernova can be derived as follows, using the following excellent approximations: 1. the emission is powered solely by Ni56-> Co56 ->Fe56; 2. each mass element propagates at a non-relativistic velocity which is constant in time (free coasting); and 3. the internal energy is dominated by radiation. Under these approximations, the energy E(t) carried by radiation in the ejecta satisfies: dE/dt=-E(t)/t-L(t)+Q(t), where Q(t) is the deposition of energy by the decay which is precisely known and L(t) is the bolometr"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.6766","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":"2026-05-18T03:35:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ILoeuB2+HMyiY/zsxH3mb435zrIM7x/OV3D02H9unVfy9iimgCLh09HaaReoWcl7LnIt+CuPi415V16cowxFCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:21:39.907556Z"},"content_sha256":"9ba8bb3fba3de4b108141450151fe1677eb11ff0a5ff8784bee7b508a89f1fe0","schema_version":"1.0","event_id":"sha256:9ba8bb3fba3de4b108141450151fe1677eb11ff0a5ff8784bee7b508a89f1fe0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5XU22SVYTZT5DHNSLJKB7DBMYE/bundle.json","state_url":"https://pith.science/pith/5XU22SVYTZT5DHNSLJKB7DBMYE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5XU22SVYTZT5DHNSLJKB7DBMYE/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":"2026-05-28T20:21:39Z","links":{"resolver":"https://pith.science/pith/5XU22SVYTZT5DHNSLJKB7DBMYE","bundle":"https://pith.science/pith/5XU22SVYTZT5DHNSLJKB7DBMYE/bundle.json","state":"https://pith.science/pith/5XU22SVYTZT5DHNSLJKB7DBMYE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5XU22SVYTZT5DHNSLJKB7DBMYE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:5XU22SVYTZT5DHNSLJKB7DBMYE","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":"cd4550202daeec3b08b833d0e3b4258b1d690f81fc78af44c3d3ab28f8e728e5","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-28T21:02:06Z","title_canon_sha256":"b2c64444a7a6c8eafd1177695f7d69ebfd29a2485d6fbaf77e618270bca434a9"},"schema_version":"1.0","source":{"id":"1301.6766","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1301.6766","created_at":"2026-05-18T03:35:12Z"},{"alias_kind":"arxiv_version","alias_value":"1301.6766v1","created_at":"2026-05-18T03:35:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1301.6766","created_at":"2026-05-18T03:35:12Z"},{"alias_kind":"pith_short_12","alias_value":"5XU22SVYTZT5","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5XU22SVYTZT5DHNS","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5XU22SVY","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:9ba8bb3fba3de4b108141450151fe1677eb11ff0a5ff8784bee7b508a89f1fe0","target":"graph","created_at":"2026-05-18T03:35:12Z","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":"An exact relation between the Ni56 mass and the bolometric light curve of a type Ia supernova can be derived as follows, using the following excellent approximations: 1. the emission is powered solely by Ni56-> Co56 ->Fe56; 2. each mass element propagates at a non-relativistic velocity which is constant in time (free coasting); and 3. the internal energy is dominated by radiation. Under these approximations, the energy E(t) carried by radiation in the ejecta satisfies: dE/dt=-E(t)/t-L(t)+Q(t), where Q(t) is the deposition of energy by the decay which is precisely known and L(t) is the bolometr","authors_text":"Boaz Katz, Doron Kushnir, Subo Dong (IAS)","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-28T21:02:06Z","title":"An exact integral relation between the Ni56 mass and the bolometric light curve of a type Ia supernova"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1301.6766","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:bc4bb408c5ab86e00d40ceca17b93d40eae47e3b4e4013740820af65cb99a778","target":"record","created_at":"2026-05-18T03:35:12Z","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":"cd4550202daeec3b08b833d0e3b4258b1d690f81fc78af44c3d3ab28f8e728e5","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-01-28T21:02:06Z","title_canon_sha256":"b2c64444a7a6c8eafd1177695f7d69ebfd29a2485d6fbaf77e618270bca434a9"},"schema_version":"1.0","source":{"id":"1301.6766","kind":"arxiv","version":1}},"canonical_sha256":"ede9ad4ab89e67d19db25a541f8c2cc13e0a1dd1e7d5acd9c137a23b04fff263","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ede9ad4ab89e67d19db25a541f8c2cc13e0a1dd1e7d5acd9c137a23b04fff263","first_computed_at":"2026-05-18T03:35:12.424531Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:35:12.424531Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0wdMVtOE4XWXO7kml476OYiKe46T/10zlseHmrBf9FudG2FTSZorM1jU/asv/MBOnfoDviGYBJA204wH94lYDA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:35:12.425074Z","signed_message":"canonical_sha256_bytes"},"source_id":"1301.6766","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:bc4bb408c5ab86e00d40ceca17b93d40eae47e3b4e4013740820af65cb99a778","sha256:9ba8bb3fba3de4b108141450151fe1677eb11ff0a5ff8784bee7b508a89f1fe0"],"state_sha256":"edcc8151136d0d095baeb5b0ab0f5d2a0361a84f9bef1ab9c6513ee9eec5c96b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0z09W6TvexN7I3g2ddHtEuRHcQdSkmraG3Sj2/NhWLi1PLOM0i+ZEDSWjYK7C9Ak9EQDkt0z/UTKt6NBmm/dCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:21:39.911029Z","bundle_sha256":"2fe2ba15833aef2b1df33f213bbf6392128429ce79608e4c04e3afc0ded742d5"}}