{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:BYN4K6BOV6IRQHW6ATR77K4J7B","short_pith_number":"pith:BYN4K6BO","canonical_record":{"source":{"id":"2008.12162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-27T14:39:34Z","cross_cats_sorted":[],"title_canon_sha256":"f993e61902a42b13e404de3d824c5beeb5a1680a0db7d15e30f3d2ae6c158c0d","abstract_canon_sha256":"2e1014672445f51cd17a207577bf3bf3242f07e77695dfd66cf26b1d53cbcc9f"},"schema_version":"1.0"},"canonical_sha256":"0e1bc5782eaf91181ede04e3ffab89f87d856055d9848ab7e53fe319decc088a","source":{"kind":"arxiv","id":"2008.12162","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.12162","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"arxiv_version","alias_value":"2008.12162v1","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.12162","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"pith_short_12","alias_value":"BYN4K6BOV6IR","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"pith_short_16","alias_value":"BYN4K6BOV6IRQHW6","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"pith_short_8","alias_value":"BYN4K6BO","created_at":"2026-07-05T01:32:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:BYN4K6BOV6IRQHW6ATR77K4J7B","target":"record","payload":{"canonical_record":{"source":{"id":"2008.12162","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-27T14:39:34Z","cross_cats_sorted":[],"title_canon_sha256":"f993e61902a42b13e404de3d824c5beeb5a1680a0db7d15e30f3d2ae6c158c0d","abstract_canon_sha256":"2e1014672445f51cd17a207577bf3bf3242f07e77695dfd66cf26b1d53cbcc9f"},"schema_version":"1.0"},"canonical_sha256":"0e1bc5782eaf91181ede04e3ffab89f87d856055d9848ab7e53fe319decc088a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:32:14.321446Z","signature_b64":"UXmpK/ouNYLFH4OSeR+S2qn3NIZ8JmoE+E6dhUxHQI32pQZII7qIsM0Ht4QoR7cfZXmiEZs/f604m1gRuIOqDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0e1bc5782eaf91181ede04e3ffab89f87d856055d9848ab7e53fe319decc088a","last_reissued_at":"2026-07-05T01:32:14.321050Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:32:14.321050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2008.12162","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":"2026-07-05T01:32:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cWVEXauBBfV1MH4FiiOPe0WXCD6t3i5+GF2s5SF9F7k5eue33uocd7UFma2MYzOs/bQE/X7PJn49SyqkqYL5CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:24:10.165774Z"},"content_sha256":"69e0fabf54f8f23c1502b9f01c083a9ab7dc2efcabd91f7963b69b50b85ec8e5","schema_version":"1.0","event_id":"sha256:69e0fabf54f8f23c1502b9f01c083a9ab7dc2efcabd91f7963b69b50b85ec8e5"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:BYN4K6BOV6IRQHW6ATR77K4J7B","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"NGC 2366 : An optical search for possible supernova remnants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"E. Aktekin, E. N. Ercan","submitted_at":"2020-08-27T14:39:34Z","abstract_excerpt":"The results of an optical search for supernova remnants (SNRs) in the nearby irregular galaxy NGC 2366 are presented. We took interference filter images and collected spectral data in three epochs with the f/7.7 1.5 m Russian Turkish Telescope (RTT150) at T\\\"{U}B\\.{I}TAK National Observatory (TUG) located in Antalya, Turkey. The continuum-subtracted H$\\alpha$ and continuum-subtracted [SII]$\\lambda \\lambda$6716, 6731 images and their ratios were used for the identification of SNRs. With [SII]/H$\\alpha$ $\\geq$ 0.4 criteria, four possible SNR candidates were identified in NGC 2366 with [SII]/H$\\a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.12162","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/2008.12162/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":"2026-07-05T01:32:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZUK5jk8yNoIzi8RYdN6JdcLNG4SsUggpAAefj+zHL51YxC73b2C+CqWnxXMvlqg7WwCidvlngLNwP13BcB66AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T07:24:10.166287Z"},"content_sha256":"274d8a8296032e20408cca0a2190b7d070e9d8df780ad96ad341663d853cc832","schema_version":"1.0","event_id":"sha256:274d8a8296032e20408cca0a2190b7d070e9d8df780ad96ad341663d853cc832"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BYN4K6BOV6IRQHW6ATR77K4J7B/bundle.json","state_url":"https://pith.science/pith/BYN4K6BOV6IRQHW6ATR77K4J7B/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BYN4K6BOV6IRQHW6ATR77K4J7B/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":"2026-08-04T07:24:10Z","links":{"resolver":"https://pith.science/pith/BYN4K6BOV6IRQHW6ATR77K4J7B","bundle":"https://pith.science/pith/BYN4K6BOV6IRQHW6ATR77K4J7B/bundle.json","state":"https://pith.science/pith/BYN4K6BOV6IRQHW6ATR77K4J7B/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BYN4K6BOV6IRQHW6ATR77K4J7B/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:BYN4K6BOV6IRQHW6ATR77K4J7B","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":"2e1014672445f51cd17a207577bf3bf3242f07e77695dfd66cf26b1d53cbcc9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-27T14:39:34Z","title_canon_sha256":"f993e61902a42b13e404de3d824c5beeb5a1680a0db7d15e30f3d2ae6c158c0d"},"schema_version":"1.0","source":{"id":"2008.12162","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2008.12162","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"arxiv_version","alias_value":"2008.12162v1","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2008.12162","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"pith_short_12","alias_value":"BYN4K6BOV6IR","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"pith_short_16","alias_value":"BYN4K6BOV6IRQHW6","created_at":"2026-07-05T01:32:14Z"},{"alias_kind":"pith_short_8","alias_value":"BYN4K6BO","created_at":"2026-07-05T01:32:14Z"}],"graph_snapshots":[{"event_id":"sha256:274d8a8296032e20408cca0a2190b7d070e9d8df780ad96ad341663d853cc832","target":"graph","created_at":"2026-07-05T01:32:14Z","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/2008.12162/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The results of an optical search for supernova remnants (SNRs) in the nearby irregular galaxy NGC 2366 are presented. We took interference filter images and collected spectral data in three epochs with the f/7.7 1.5 m Russian Turkish Telescope (RTT150) at T\\\"{U}B\\.{I}TAK National Observatory (TUG) located in Antalya, Turkey. The continuum-subtracted H$\\alpha$ and continuum-subtracted [SII]$\\lambda \\lambda$6716, 6731 images and their ratios were used for the identification of SNRs. With [SII]/H$\\alpha$ $\\geq$ 0.4 criteria, four possible SNR candidates were identified in NGC 2366 with [SII]/H$\\a","authors_text":"E. Aktekin, E. N. Ercan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-27T14:39:34Z","title":"NGC 2366 : An optical search for possible supernova remnants"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2008.12162","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":"sha256:69e0fabf54f8f23c1502b9f01c083a9ab7dc2efcabd91f7963b69b50b85ec8e5","target":"record","created_at":"2026-07-05T01:32:14Z","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":"2e1014672445f51cd17a207577bf3bf3242f07e77695dfd66cf26b1d53cbcc9f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-08-27T14:39:34Z","title_canon_sha256":"f993e61902a42b13e404de3d824c5beeb5a1680a0db7d15e30f3d2ae6c158c0d"},"schema_version":"1.0","source":{"id":"2008.12162","kind":"arxiv","version":1}},"canonical_sha256":"0e1bc5782eaf91181ede04e3ffab89f87d856055d9848ab7e53fe319decc088a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0e1bc5782eaf91181ede04e3ffab89f87d856055d9848ab7e53fe319decc088a","first_computed_at":"2026-07-05T01:32:14.321050Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:32:14.321050Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UXmpK/ouNYLFH4OSeR+S2qn3NIZ8JmoE+E6dhUxHQI32pQZII7qIsM0Ht4QoR7cfZXmiEZs/f604m1gRuIOqDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T01:32:14.321446Z","signed_message":"canonical_sha256_bytes"},"source_id":"2008.12162","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:69e0fabf54f8f23c1502b9f01c083a9ab7dc2efcabd91f7963b69b50b85ec8e5","sha256:274d8a8296032e20408cca0a2190b7d070e9d8df780ad96ad341663d853cc832"],"state_sha256":"6e74823db66cba1157341ea08159ae5faad706c2e7af458b39196ef345dfeed6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OK1F+YVwz4b7X/FwKOL17Ixs7ETX9cNzI+BXRlzx4yuRI+Txzv35j8ijhjPN7GGC75tvu+iBPCRi9u4hWum3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T07:24:10.171532Z","bundle_sha256":"ab3b1ee4df6590e2f77dcac80f4a175ea53b5c0acc18ffd0f4a68fc8bfbdfd41"}}