{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:2HG7SQNL6Z6ALLD6D6XQGGAJQ2","short_pith_number":"pith:2HG7SQNL","canonical_record":{"source":{"id":"2202.11040","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-02-22T17:14:17Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"c97ef97203fd4b1e8ea284c1f3ad0af8c32851c00b7aa4713036f8758d320b43","abstract_canon_sha256":"56497c92831df8de8fcb76d8945961fb2d8f0fd09c348a2e6f9868c5a7d6cde7"},"schema_version":"1.0"},"canonical_sha256":"d1cdf941abf67c05ac7e1faf03180986b98a0bb171050d43779bfd6dae1867c9","source":{"kind":"arxiv","id":"2202.11040","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.11040","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"arxiv_version","alias_value":"2202.11040v1","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.11040","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"pith_short_12","alias_value":"2HG7SQNL6Z6A","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"pith_short_16","alias_value":"2HG7SQNL6Z6ALLD6","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"pith_short_8","alias_value":"2HG7SQNL","created_at":"2026-07-05T04:13:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:2HG7SQNL6Z6ALLD6D6XQGGAJQ2","target":"record","payload":{"canonical_record":{"source":{"id":"2202.11040","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-02-22T17:14:17Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"c97ef97203fd4b1e8ea284c1f3ad0af8c32851c00b7aa4713036f8758d320b43","abstract_canon_sha256":"56497c92831df8de8fcb76d8945961fb2d8f0fd09c348a2e6f9868c5a7d6cde7"},"schema_version":"1.0"},"canonical_sha256":"d1cdf941abf67c05ac7e1faf03180986b98a0bb171050d43779bfd6dae1867c9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:13:51.344799Z","signature_b64":"NASICDHepqqJjLMp+uSbO128d1fzY9Um5fsFVjTXNQeqhKUyuWG4ATOQ1XbbqRZ2LlbE0iLDdYR5lzQ1JxFvBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d1cdf941abf67c05ac7e1faf03180986b98a0bb171050d43779bfd6dae1867c9","last_reissued_at":"2026-07-05T04:13:51.344373Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:13:51.344373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2202.11040","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":"2026-07-05T04:13:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YxX8WZIEvWcPBn7I3w8dBePKx3adNIRUdQ2RLDKG1X+iWlMqsza60owgV0b0QJnnCRxUW8X7E/yljFTafNy7Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:30:30.453916Z"},"content_sha256":"f1363492fbe479ec83a0b4703e3feae82b7b945aeb91ab4e8168b5694933e60b","schema_version":"1.0","event_id":"sha256:f1363492fbe479ec83a0b4703e3feae82b7b945aeb91ab4e8168b5694933e60b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:2HG7SQNL6Z6ALLD6D6XQGGAJQ2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hubble Space Telescope Imaging of Luminous Extragalactic Infrared Transients and Variables from the SPIRITS Survey","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"(10) University of Minnesota, (11) IPAC), 2), (2) Space Telescope Science Institute, (3) University of Arizona, (4) S. African Astronomical Observatory, 5), (5) University of Cape Town, (6) Caltech, 7), (7) Orbital Insight, (8) University of Colorado, (9) SETI Institute, Ann Marie Cody (9), Frank J. Masci (11) ((1) Pennsylvania State University, Howard E. Bond (1, Jacob E. Jencson (3), John Bally (8), Mansi M. Kasliwal (6), Patricia A. Whitelock (4, Robert D. Gehrz (10), Scott M. Adams (6","submitted_at":"2022-02-22T17:14:17Z","abstract_excerpt":"SPIRITS--the SPitzer InfraRed Intensive Transients Survey--searched for luminous infrared (IR) transients and variables in nearly 200 nearby galaxies from 2014 to 2019, using the warm Spitzer telescope at 3.6 and 4.5 microns. Among the SPIRITS variables are IR-bright objects that are undetected in ground-based optical surveys. We classify them as (1) transients, (2) periodic variables, and (3) irregular variables. The transients include \"SPRITE\"s (eSPecially Red Intermediate-luminosity Transient Events), having maximum luminosities fainter than supernovae, red IR colors, and a wide range of ou"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.11040","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/2202.11040/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":"2026-07-05T04:13:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z7S148ibJeGFiD3eP9nrJFjZvCssBFZpKaUB0TBGkrXqfSJaGqqU9ITY/dbGM+UYqa/LKjtR4aLaJlSWbALTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-07T01:30:30.454443Z"},"content_sha256":"3a6faff700dd26bc009d802528e169383bed60050ea6ad366b98646ced4b7537","schema_version":"1.0","event_id":"sha256:3a6faff700dd26bc009d802528e169383bed60050ea6ad366b98646ced4b7537"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2/bundle.json","state_url":"https://pith.science/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2/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":"2026-08-07T01:30:30Z","links":{"resolver":"https://pith.science/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2","bundle":"https://pith.science/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2/bundle.json","state":"https://pith.science/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2HG7SQNL6Z6ALLD6D6XQGGAJQ2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:2HG7SQNL6Z6ALLD6D6XQGGAJQ2","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":"56497c92831df8de8fcb76d8945961fb2d8f0fd09c348a2e6f9868c5a7d6cde7","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-02-22T17:14:17Z","title_canon_sha256":"c97ef97203fd4b1e8ea284c1f3ad0af8c32851c00b7aa4713036f8758d320b43"},"schema_version":"1.0","source":{"id":"2202.11040","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2202.11040","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"arxiv_version","alias_value":"2202.11040v1","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2202.11040","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"pith_short_12","alias_value":"2HG7SQNL6Z6A","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"pith_short_16","alias_value":"2HG7SQNL6Z6ALLD6","created_at":"2026-07-05T04:13:51Z"},{"alias_kind":"pith_short_8","alias_value":"2HG7SQNL","created_at":"2026-07-05T04:13:51Z"}],"graph_snapshots":[{"event_id":"sha256:3a6faff700dd26bc009d802528e169383bed60050ea6ad366b98646ced4b7537","target":"graph","created_at":"2026-07-05T04:13:51Z","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/2202.11040/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"SPIRITS--the SPitzer InfraRed Intensive Transients Survey--searched for luminous infrared (IR) transients and variables in nearly 200 nearby galaxies from 2014 to 2019, using the warm Spitzer telescope at 3.6 and 4.5 microns. Among the SPIRITS variables are IR-bright objects that are undetected in ground-based optical surveys. We classify them as (1) transients, (2) periodic variables, and (3) irregular variables. The transients include \"SPRITE\"s (eSPecially Red Intermediate-luminosity Transient Events), having maximum luminosities fainter than supernovae, red IR colors, and a wide range of ou","authors_text":"(10) University of Minnesota, (11) IPAC), 2), (2) Space Telescope Science Institute, (3) University of Arizona, (4) S. African Astronomical Observatory, 5), (5) University of Cape Town, (6) Caltech, 7), (7) Orbital Insight, (8) University of Colorado, (9) SETI Institute, Ann Marie Cody (9), Frank J. Masci (11) ((1) Pennsylvania State University, Howard E. Bond (1, Jacob E. Jencson (3), John Bally (8), Mansi M. Kasliwal (6), Patricia A. Whitelock (4, Robert D. Gehrz (10), Scott M. Adams (6","cross_cats":["astro-ph.GA"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-02-22T17:14:17Z","title":"Hubble Space Telescope Imaging of Luminous Extragalactic Infrared Transients and Variables from the SPIRITS Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2202.11040","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:f1363492fbe479ec83a0b4703e3feae82b7b945aeb91ab4e8168b5694933e60b","target":"record","created_at":"2026-07-05T04:13:51Z","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":"56497c92831df8de8fcb76d8945961fb2d8f0fd09c348a2e6f9868c5a7d6cde7","cross_cats_sorted":["astro-ph.GA"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2022-02-22T17:14:17Z","title_canon_sha256":"c97ef97203fd4b1e8ea284c1f3ad0af8c32851c00b7aa4713036f8758d320b43"},"schema_version":"1.0","source":{"id":"2202.11040","kind":"arxiv","version":1}},"canonical_sha256":"d1cdf941abf67c05ac7e1faf03180986b98a0bb171050d43779bfd6dae1867c9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d1cdf941abf67c05ac7e1faf03180986b98a0bb171050d43779bfd6dae1867c9","first_computed_at":"2026-07-05T04:13:51.344373Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:13:51.344373Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NASICDHepqqJjLMp+uSbO128d1fzY9Um5fsFVjTXNQeqhKUyuWG4ATOQ1XbbqRZ2LlbE0iLDdYR5lzQ1JxFvBQ==","signature_status":"signed_v1","signed_at":"2026-07-05T04:13:51.344799Z","signed_message":"canonical_sha256_bytes"},"source_id":"2202.11040","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f1363492fbe479ec83a0b4703e3feae82b7b945aeb91ab4e8168b5694933e60b","sha256:3a6faff700dd26bc009d802528e169383bed60050ea6ad366b98646ced4b7537"],"state_sha256":"a6746c4c5d154e3eb0b470f03d8b6b07d3d5ffdb16a91518772c852822bc86ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QZ5lzABBDhPadB8hi+RqdXfnp2i0R2rb+BW6qp2BbeanGlC8KFv54OHQ4g5JmeduwF7ei/lva30dVXBevDJ8DQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-07T01:30:30.459740Z","bundle_sha256":"9c5f07e55f9be60da1c9186868943b02a1501cf2afecd07cf512015d7d61fedc"}}