{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:PHH5PSHZRREU57ZKQEG2G7A3UV","short_pith_number":"pith:PHH5PSHZ","canonical_record":{"source":{"id":"2302.00274","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-01T06:37:00Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1e71390f09a0890656333ddc33f63f0306a683cff7c48a01b5bf0eb9007daacb","abstract_canon_sha256":"c50ff349a4c7a58a9d61212899a71af5035342b19f04e9731df121aee1052026"},"schema_version":"1.0"},"canonical_sha256":"79cfd7c8f98c494eff2a810da37c1ba555516d80cc5b1b99d38dcd5ddde91c72","source":{"kind":"arxiv","id":"2302.00274","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.00274","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"2302.00274v2","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.00274","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"PHH5PSHZRREU","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"PHH5PSHZRREU57ZK","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"PHH5PSHZ","created_at":"2026-07-05T06:32:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:PHH5PSHZRREU57ZKQEG2G7A3UV","target":"record","payload":{"canonical_record":{"source":{"id":"2302.00274","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-01T06:37:00Z","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"title_canon_sha256":"1e71390f09a0890656333ddc33f63f0306a683cff7c48a01b5bf0eb9007daacb","abstract_canon_sha256":"c50ff349a4c7a58a9d61212899a71af5035342b19f04e9731df121aee1052026"},"schema_version":"1.0"},"canonical_sha256":"79cfd7c8f98c494eff2a810da37c1ba555516d80cc5b1b99d38dcd5ddde91c72","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:32:05.455042Z","signature_b64":"Q/nDkJMt2fHA+3J6QHx6R6EiCyIXulx9ZVKWUXQhWjmz0r8ALNEgikrxWeHEHz0VMZFUnaoZ5UiymtrrKWLnBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"79cfd7c8f98c494eff2a810da37c1ba555516d80cc5b1b99d38dcd5ddde91c72","last_reissued_at":"2026-07-05T06:32:05.454574Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:32:05.454574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2302.00274","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":"2026-07-05T06:32:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zs7ymuvbrMjw8AkDr6tMM7E74+tuKkI6TglOrsGzcjtPjwDZK9Ky/pKhSsRs9KWaYwlEHwBE3UBL4ihvWmqCBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T14:25:34.260162Z"},"content_sha256":"097e2b3c3aa9e7c470467758af7cb312ba109c7edaceb65bbc3bb4db5f413fbe","schema_version":"1.0","event_id":"sha256:097e2b3c3aa9e7c470467758af7cb312ba109c7edaceb65bbc3bb4db5f413fbe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:PHH5PSHZRREU57ZKQEG2G7A3UV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identifying the SN 2022acko progenitor with JWST","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.SR"],"primary_cat":"astro-ph.HE","authors_text":"Alexei V. Filippenko, D. Andrew Howell, Dan Milisavljevic, Daryl Janzen, David J. Sand, Emily Hoang, Griffin Hosseinzadeh, Jacob E. Jencson, Jeniveve Pearson, Jennifer E. Andrews, K. Azalee Bostroem, Manisha Shrestha, Michael J. Lundquist, Nicolas Meza, Ori D. Fox, Schuyler D. Van Dyk, Stefano Valenti, Thomas G. Brink, Weikang Zheng, Yize Dong","submitted_at":"2023-02-01T06:37:00Z","abstract_excerpt":"We report on analysis using the James Webb Space Telescope (JWST) to identify a candidate progenitor star of the Type II-plateau supernova SN 2022acko in the nearby, barred spiral galaxy NGC 1300. To our knowledge, our discovery represents the first time JWST has been used to localize a progenitor system in pre-explosion archival Hubble Space Telescope (HST) images. We astrometrically registered a JWST NIRCam image from 2023 January, in which the SN was serendipitously captured, to pre-SN HST F160W and F814W images from 2017 and 2004, respectively. An object corresponding precisely to the SN p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.00274","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/2302.00274/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":"2026-07-05T06:32:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eN77KQyMjqQrEpZNLl1KQv5qXA4qV0G23ENqRabfIJ6x4GDbkQdyGeFThCSgRtgPjxlrgPIMoc6F59k/NTg4Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T14:25:34.260782Z"},"content_sha256":"53b113a8ec80c440be5e10271612f410413ca26983bac3dbe4ea84feab0b59f3","schema_version":"1.0","event_id":"sha256:53b113a8ec80c440be5e10271612f410413ca26983bac3dbe4ea84feab0b59f3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PHH5PSHZRREU57ZKQEG2G7A3UV/bundle.json","state_url":"https://pith.science/pith/PHH5PSHZRREU57ZKQEG2G7A3UV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PHH5PSHZRREU57ZKQEG2G7A3UV/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":"2026-08-18T14:25:34Z","links":{"resolver":"https://pith.science/pith/PHH5PSHZRREU57ZKQEG2G7A3UV","bundle":"https://pith.science/pith/PHH5PSHZRREU57ZKQEG2G7A3UV/bundle.json","state":"https://pith.science/pith/PHH5PSHZRREU57ZKQEG2G7A3UV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PHH5PSHZRREU57ZKQEG2G7A3UV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:PHH5PSHZRREU57ZKQEG2G7A3UV","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":"c50ff349a4c7a58a9d61212899a71af5035342b19f04e9731df121aee1052026","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-01T06:37:00Z","title_canon_sha256":"1e71390f09a0890656333ddc33f63f0306a683cff7c48a01b5bf0eb9007daacb"},"schema_version":"1.0","source":{"id":"2302.00274","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2302.00274","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"arxiv_version","alias_value":"2302.00274v2","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2302.00274","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_12","alias_value":"PHH5PSHZRREU","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_16","alias_value":"PHH5PSHZRREU57ZK","created_at":"2026-07-05T06:32:05Z"},{"alias_kind":"pith_short_8","alias_value":"PHH5PSHZ","created_at":"2026-07-05T06:32:05Z"}],"graph_snapshots":[{"event_id":"sha256:53b113a8ec80c440be5e10271612f410413ca26983bac3dbe4ea84feab0b59f3","target":"graph","created_at":"2026-07-05T06:32:05Z","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/2302.00274/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We report on analysis using the James Webb Space Telescope (JWST) to identify a candidate progenitor star of the Type II-plateau supernova SN 2022acko in the nearby, barred spiral galaxy NGC 1300. To our knowledge, our discovery represents the first time JWST has been used to localize a progenitor system in pre-explosion archival Hubble Space Telescope (HST) images. We astrometrically registered a JWST NIRCam image from 2023 January, in which the SN was serendipitously captured, to pre-SN HST F160W and F814W images from 2017 and 2004, respectively. An object corresponding precisely to the SN p","authors_text":"Alexei V. Filippenko, D. Andrew Howell, Dan Milisavljevic, Daryl Janzen, David J. Sand, Emily Hoang, Griffin Hosseinzadeh, Jacob E. Jencson, Jeniveve Pearson, Jennifer E. Andrews, K. Azalee Bostroem, Manisha Shrestha, Michael J. Lundquist, Nicolas Meza, Ori D. Fox, Schuyler D. Van Dyk, Stefano Valenti, Thomas G. Brink, Weikang Zheng, Yize Dong","cross_cats":["astro-ph.GA","astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-01T06:37:00Z","title":"Identifying the SN 2022acko progenitor with JWST"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2302.00274","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":"sha256:097e2b3c3aa9e7c470467758af7cb312ba109c7edaceb65bbc3bb4db5f413fbe","target":"record","created_at":"2026-07-05T06:32:05Z","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":"c50ff349a4c7a58a9d61212899a71af5035342b19f04e9731df121aee1052026","cross_cats_sorted":["astro-ph.GA","astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.HE","submitted_at":"2023-02-01T06:37:00Z","title_canon_sha256":"1e71390f09a0890656333ddc33f63f0306a683cff7c48a01b5bf0eb9007daacb"},"schema_version":"1.0","source":{"id":"2302.00274","kind":"arxiv","version":2}},"canonical_sha256":"79cfd7c8f98c494eff2a810da37c1ba555516d80cc5b1b99d38dcd5ddde91c72","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"79cfd7c8f98c494eff2a810da37c1ba555516d80cc5b1b99d38dcd5ddde91c72","first_computed_at":"2026-07-05T06:32:05.454574Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:32:05.454574Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q/nDkJMt2fHA+3J6QHx6R6EiCyIXulx9ZVKWUXQhWjmz0r8ALNEgikrxWeHEHz0VMZFUnaoZ5UiymtrrKWLnBw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:32:05.455042Z","signed_message":"canonical_sha256_bytes"},"source_id":"2302.00274","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:097e2b3c3aa9e7c470467758af7cb312ba109c7edaceb65bbc3bb4db5f413fbe","sha256:53b113a8ec80c440be5e10271612f410413ca26983bac3dbe4ea84feab0b59f3"],"state_sha256":"0ab1c01eeb8ef9e464787e5572cf82f8f5b96401ef32ead71af11e93ac818eba"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kkUjTtwbToDPV5BUrvAU8FrseHP9FcTXkvCjOa2uOHwjxR+rCyfH0whPj4w90XsaOJRAjNKjUZEHR/+3+6oPDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T14:25:34.268097Z","bundle_sha256":"ce493508dd2c7dde8cb7054e53000d8d40f621a76c1e6a885da8198dc843dfbc"}}