{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:23AC3F2NLPQZS5DZVWUWM5GJUL","short_pith_number":"pith:23AC3F2N","canonical_record":{"source":{"id":"2506.20068","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-25T00:15:55Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"de317300e53edbed3a21b795a8c04b41d571e9dc60f9a6748a5fc0e4a39d1131","abstract_canon_sha256":"d10d2e1f83d5d4aa646c441621be6c82bc913fef58790a1e20242635e51fab28"},"schema_version":"1.0"},"canonical_sha256":"d6c02d974d5be1997479ada96674c9a2e5857bd1e42b077fd53f51af5c138ca9","source":{"kind":"arxiv","id":"2506.20068","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.20068","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"2506.20068v2","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.20068","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"23AC3F2NLPQZ","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"pith_short_16","alias_value":"23AC3F2NLPQZS5DZ","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"pith_short_8","alias_value":"23AC3F2N","created_at":"2026-05-20T01:04:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:23AC3F2NLPQZS5DZVWUWM5GJUL","target":"record","payload":{"canonical_record":{"source":{"id":"2506.20068","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-25T00:15:55Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"de317300e53edbed3a21b795a8c04b41d571e9dc60f9a6748a5fc0e4a39d1131","abstract_canon_sha256":"d10d2e1f83d5d4aa646c441621be6c82bc913fef58790a1e20242635e51fab28"},"schema_version":"1.0"},"canonical_sha256":"d6c02d974d5be1997479ada96674c9a2e5857bd1e42b077fd53f51af5c138ca9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-20T01:04:55.505583Z","signature_b64":"zKszFdQcuIoTJg5gtaMNYwLhTJQPY9IQA0AzuOqZAxpfoj050iXyhdhAwa33u7C1i5npvzRRh5ds8lnIY+y8DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6c02d974d5be1997479ada96674c9a2e5857bd1e42b077fd53f51af5c138ca9","last_reissued_at":"2026-05-20T01:04:55.504677Z","signature_status":"signed_v1","first_computed_at":"2026-05-20T01:04:55.504677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.20068","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":"2026-05-20T01:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mr2S8fHUCADonbd0uxIg1K/iJXGxaJ/B4c8DhtOT4N/QpiN93DDaWqnCAFKALINj3A0Xvf3GLsrsjCPiz77IDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:57:09.162855Z"},"content_sha256":"8ff7857c45aef4936efbacbadc9b64bf5bebd23de984b45c36c877f767019972","schema_version":"1.0","event_id":"sha256:8ff7857c45aef4936efbacbadc9b64bf5bebd23de984b45c36c877f767019972"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:23AC3F2NLPQZS5DZVWUWM5GJUL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. II: Lightcurve Analysis","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Anjasha Gangopadhyay, Avery Wold, Avinash Singh, Christoffer Fremling, Daichi Tsuna, Daniel A. Perley, Eric C. Bellm, Evan P. O'Connor, Jesper Sollerman, Josiah Purdum, Kaustav K. Das, K-Ryan Hinds, Mansi M. Kasliwal, Matthew Graham, Michael W. Coughlin, Nikhil Sarin, S. R. Kulkarni, Steve Schulze, Takashi J. Moriya, Tracy X. Chen, W. V. Jacobson-Galan","submitted_at":"2025-06-25T00:15:55Z","abstract_excerpt":"The Zwicky Transient Facility Census of the Local Universe survey yielded a sample of 330 Type IIP supernovae (SNe) with well-constrained peak luminosities. In paper I (arXiv:2502.19493), we measured their luminosity function and volumetric rate. Here (paper II), we present the largest systematic study of lightcurve properties for Type IIP SNe from a volume-limited survey, analyzing a selected subset of 129 events, including 16 low-luminosity Type IIP (LLIIP) SNe with M${r,peak} \\geq -16$ mag. We find that plateau slope correlates with peak brightness, with many LLIIP SNe showing positive slop"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.20068","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2506.20068/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":"2026-05-20T01:04:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7u5RDNYZcKF/E9c9h71EJYObVmD709a3N/GNqvxGFbRrO4YdouCZQJOHI8PiduFJhKFYGQnYdLDSA3/N90BJBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T13:57:09.163552Z"},"content_sha256":"b7e2c8d6a20ec237d446a93ad01afdf7b7c44535564354ea0695216048bff04a","schema_version":"1.0","event_id":"sha256:b7e2c8d6a20ec237d446a93ad01afdf7b7c44535564354ea0695216048bff04a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23AC3F2NLPQZS5DZVWUWM5GJUL/bundle.json","state_url":"https://pith.science/pith/23AC3F2NLPQZS5DZVWUWM5GJUL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23AC3F2NLPQZS5DZVWUWM5GJUL/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":"2026-05-26T13:57:09Z","links":{"resolver":"https://pith.science/pith/23AC3F2NLPQZS5DZVWUWM5GJUL","bundle":"https://pith.science/pith/23AC3F2NLPQZS5DZVWUWM5GJUL/bundle.json","state":"https://pith.science/pith/23AC3F2NLPQZS5DZVWUWM5GJUL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23AC3F2NLPQZS5DZVWUWM5GJUL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:23AC3F2NLPQZS5DZVWUWM5GJUL","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":"d10d2e1f83d5d4aa646c441621be6c82bc913fef58790a1e20242635e51fab28","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-25T00:15:55Z","title_canon_sha256":"de317300e53edbed3a21b795a8c04b41d571e9dc60f9a6748a5fc0e4a39d1131"},"schema_version":"1.0","source":{"id":"2506.20068","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.20068","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"arxiv_version","alias_value":"2506.20068v2","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.20068","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"pith_short_12","alias_value":"23AC3F2NLPQZ","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"pith_short_16","alias_value":"23AC3F2NLPQZS5DZ","created_at":"2026-05-20T01:04:55Z"},{"alias_kind":"pith_short_8","alias_value":"23AC3F2N","created_at":"2026-05-20T01:04:55Z"}],"graph_snapshots":[{"event_id":"sha256:b7e2c8d6a20ec237d446a93ad01afdf7b7c44535564354ea0695216048bff04a","target":"graph","created_at":"2026-05-20T01:04:55Z","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/2506.20068/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The Zwicky Transient Facility Census of the Local Universe survey yielded a sample of 330 Type IIP supernovae (SNe) with well-constrained peak luminosities. In paper I (arXiv:2502.19493), we measured their luminosity function and volumetric rate. Here (paper II), we present the largest systematic study of lightcurve properties for Type IIP SNe from a volume-limited survey, analyzing a selected subset of 129 events, including 16 low-luminosity Type IIP (LLIIP) SNe with M${r,peak} \\geq -16$ mag. We find that plateau slope correlates with peak brightness, with many LLIIP SNe showing positive slop","authors_text":"Anjasha Gangopadhyay, Avery Wold, Avinash Singh, Christoffer Fremling, Daichi Tsuna, Daniel A. Perley, Eric C. Bellm, Evan P. O'Connor, Jesper Sollerman, Josiah Purdum, Kaustav K. Das, K-Ryan Hinds, Mansi M. Kasliwal, Matthew Graham, Michael W. Coughlin, Nikhil Sarin, S. R. Kulkarni, Steve Schulze, Takashi J. Moriya, Tracy X. Chen, W. V. Jacobson-Galan","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-25T00:15:55Z","title":"Low-Luminosity Type IIP Supernovae from the Zwicky Transient Facility Census of the Local Universe. II: Lightcurve Analysis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.20068","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":"sha256:8ff7857c45aef4936efbacbadc9b64bf5bebd23de984b45c36c877f767019972","target":"record","created_at":"2026-05-20T01:04:55Z","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":"d10d2e1f83d5d4aa646c441621be6c82bc913fef58790a1e20242635e51fab28","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-06-25T00:15:55Z","title_canon_sha256":"de317300e53edbed3a21b795a8c04b41d571e9dc60f9a6748a5fc0e4a39d1131"},"schema_version":"1.0","source":{"id":"2506.20068","kind":"arxiv","version":2}},"canonical_sha256":"d6c02d974d5be1997479ada96674c9a2e5857bd1e42b077fd53f51af5c138ca9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6c02d974d5be1997479ada96674c9a2e5857bd1e42b077fd53f51af5c138ca9","first_computed_at":"2026-05-20T01:04:55.504677Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-20T01:04:55.504677Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zKszFdQcuIoTJg5gtaMNYwLhTJQPY9IQA0AzuOqZAxpfoj050iXyhdhAwa33u7C1i5npvzRRh5ds8lnIY+y8DQ==","signature_status":"signed_v1","signed_at":"2026-05-20T01:04:55.505583Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.20068","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ff7857c45aef4936efbacbadc9b64bf5bebd23de984b45c36c877f767019972","sha256:b7e2c8d6a20ec237d446a93ad01afdf7b7c44535564354ea0695216048bff04a"],"state_sha256":"dec8dea851ad5b6663e6c0803e768ab6cac6d1582bf8ffc929948d66dec4e4d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HPTSARvJddHxJc2h32liAhkpod4c9tmF1eVr9F7dG14rWBePar/+GuyxAUamkgyFqWzPtS8rkiNxCrKJfaJaBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T13:57:09.166110Z","bundle_sha256":"b17c83eec8176603c67d079f12752a3c6ec6b908381900d999b8a1db84d03247"}}