{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:WBVK43PKGPQ67NV23MW3GGPMM2","short_pith_number":"pith:WBVK43PK","canonical_record":{"source":{"id":"2105.03268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-06T15:36:54Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"4ad42a9b2c0da80709e0954b9c8f0a49c61b893edb974c48b9e346ffd15279cd","abstract_canon_sha256":"5c29520ddc21d267f758c5139720768037b2fb685667a686f1f829a98fd7c91d"},"schema_version":"1.0"},"canonical_sha256":"b06aae6dea33e1efb6badb2db319ec668e20c360c0e96e932606a9b49d27104c","source":{"kind":"arxiv","id":"2105.03268","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.03268","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"arxiv_version","alias_value":"2105.03268v1","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.03268","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"pith_short_12","alias_value":"WBVK43PKGPQ6","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"pith_short_16","alias_value":"WBVK43PKGPQ67NV2","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"pith_short_8","alias_value":"WBVK43PK","created_at":"2026-07-05T02:42:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:WBVK43PKGPQ67NV23MW3GGPMM2","target":"record","payload":{"canonical_record":{"source":{"id":"2105.03268","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-06T15:36:54Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"4ad42a9b2c0da80709e0954b9c8f0a49c61b893edb974c48b9e346ffd15279cd","abstract_canon_sha256":"5c29520ddc21d267f758c5139720768037b2fb685667a686f1f829a98fd7c91d"},"schema_version":"1.0"},"canonical_sha256":"b06aae6dea33e1efb6badb2db319ec668e20c360c0e96e932606a9b49d27104c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:42:51.612968Z","signature_b64":"HvDe+uf4Zm1Z1IAHaFTOldSwlpjNTsDZMwB9dq1wgtViBzVLLMT5kfWfCgukB38zc1GWDZK04RpNK5d81ToyAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b06aae6dea33e1efb6badb2db319ec668e20c360c0e96e932606a9b49d27104c","last_reissued_at":"2026-07-05T02:42:51.612455Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:42:51.612455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.03268","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":"2026-07-05T02:42:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"61ojrckKXFf2ucpTZMlTUqToK7GEFT6s2OnKBNLRsBzrqIqK6uv3PQRZnNteLwg4S6zcjO7HgknO/cFImPJeBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:39:23.940557Z"},"content_sha256":"0db2a913fb9ae3a92e30d8c1fd09b32d140b771e9f007934e8432e1e6fa16249","schema_version":"1.0","event_id":"sha256:0db2a913fb9ae3a92e30d8c1fd09b32d140b771e9f007934e8432e1e6fa16249"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:WBVK43PKGPQ67NV23MW3GGPMM2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Iron Yield of Normal Type II Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"J. Pineda-Garc\\'ia, M. Ramirez, N. Meza, \\'O. Rodr\\'iguez","submitted_at":"2021-05-06T15:36:54Z","abstract_excerpt":"We present $^{56}$Ni mass estimates for 110 normal Type II supernovae (SNe II), computed here from their luminosity in the radioactive tail. This sample consists of SNe from the literature, with at least three photometric measurements in a single optical band within 95-320 d since explosion. To convert apparent magnitudes to bolometric ones, we compute bolometric corrections (BCs) using 15 SNe in our sample having optical and near-IR photometry, along with three sets of SN II atmosphere models to account for the unobserved flux. We find that the $I$- and $i$-band are best suited to estimate lu"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.03268","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/2105.03268/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":"2026-07-05T02:42:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i4imGNKE2Si+2PYn3N9fHjVLOS01R5OUpselyasygHbiS22Ej4vS/qhE3iD9ks7CE5FVXdSIuFKXDh2kaCRmCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T08:39:23.940935Z"},"content_sha256":"afae1a5234f35e4c90ad9285ded9253801d37399e153324a7f0b0eb8f770ec2b","schema_version":"1.0","event_id":"sha256:afae1a5234f35e4c90ad9285ded9253801d37399e153324a7f0b0eb8f770ec2b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WBVK43PKGPQ67NV23MW3GGPMM2/bundle.json","state_url":"https://pith.science/pith/WBVK43PKGPQ67NV23MW3GGPMM2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WBVK43PKGPQ67NV23MW3GGPMM2/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":"2026-07-07T08:39:23Z","links":{"resolver":"https://pith.science/pith/WBVK43PKGPQ67NV23MW3GGPMM2","bundle":"https://pith.science/pith/WBVK43PKGPQ67NV23MW3GGPMM2/bundle.json","state":"https://pith.science/pith/WBVK43PKGPQ67NV23MW3GGPMM2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WBVK43PKGPQ67NV23MW3GGPMM2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:WBVK43PKGPQ67NV23MW3GGPMM2","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":"5c29520ddc21d267f758c5139720768037b2fb685667a686f1f829a98fd7c91d","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-06T15:36:54Z","title_canon_sha256":"4ad42a9b2c0da80709e0954b9c8f0a49c61b893edb974c48b9e346ffd15279cd"},"schema_version":"1.0","source":{"id":"2105.03268","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.03268","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"arxiv_version","alias_value":"2105.03268v1","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.03268","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"pith_short_12","alias_value":"WBVK43PKGPQ6","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"pith_short_16","alias_value":"WBVK43PKGPQ67NV2","created_at":"2026-07-05T02:42:51Z"},{"alias_kind":"pith_short_8","alias_value":"WBVK43PK","created_at":"2026-07-05T02:42:51Z"}],"graph_snapshots":[{"event_id":"sha256:afae1a5234f35e4c90ad9285ded9253801d37399e153324a7f0b0eb8f770ec2b","target":"graph","created_at":"2026-07-05T02:42:51Z","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/2105.03268/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present $^{56}$Ni mass estimates for 110 normal Type II supernovae (SNe II), computed here from their luminosity in the radioactive tail. This sample consists of SNe from the literature, with at least three photometric measurements in a single optical band within 95-320 d since explosion. To convert apparent magnitudes to bolometric ones, we compute bolometric corrections (BCs) using 15 SNe in our sample having optical and near-IR photometry, along with three sets of SN II atmosphere models to account for the unobserved flux. We find that the $I$- and $i$-band are best suited to estimate lu","authors_text":"J. Pineda-Garc\\'ia, M. Ramirez, N. Meza, \\'O. Rodr\\'iguez","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-06T15:36:54Z","title":"The Iron Yield of Normal Type II Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.03268","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":"sha256:0db2a913fb9ae3a92e30d8c1fd09b32d140b771e9f007934e8432e1e6fa16249","target":"record","created_at":"2026-07-05T02:42:51Z","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":"5c29520ddc21d267f758c5139720768037b2fb685667a686f1f829a98fd7c91d","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-05-06T15:36:54Z","title_canon_sha256":"4ad42a9b2c0da80709e0954b9c8f0a49c61b893edb974c48b9e346ffd15279cd"},"schema_version":"1.0","source":{"id":"2105.03268","kind":"arxiv","version":1}},"canonical_sha256":"b06aae6dea33e1efb6badb2db319ec668e20c360c0e96e932606a9b49d27104c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b06aae6dea33e1efb6badb2db319ec668e20c360c0e96e932606a9b49d27104c","first_computed_at":"2026-07-05T02:42:51.612455Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:42:51.612455Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HvDe+uf4Zm1Z1IAHaFTOldSwlpjNTsDZMwB9dq1wgtViBzVLLMT5kfWfCgukB38zc1GWDZK04RpNK5d81ToyAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T02:42:51.612968Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.03268","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0db2a913fb9ae3a92e30d8c1fd09b32d140b771e9f007934e8432e1e6fa16249","sha256:afae1a5234f35e4c90ad9285ded9253801d37399e153324a7f0b0eb8f770ec2b"],"state_sha256":"71e5e791cfde67dd10cf5df3507b5060a067c8148c49d03d0705e74a02826f38"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"N+Ce+e4jiafyIMtVp8ko1sfsV8LDrc8bJzpH2y8ke6HSa6eRywgyDdhNOxhRBZXovkJD9sVMvUkldtD8E3mvBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T08:39:23.942967Z","bundle_sha256":"88de985a849882e3f81055f7df052bcf1f5fb282717ff3453fd67c8fbda0736f"}}