{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:QR6RXXZORGJXLQGO7HL6YO4ZIF","short_pith_number":"pith:QR6RXXZO","canonical_record":{"source":{"id":"2105.06178","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-05-13T10:16:13Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ac53c6104171da20399f624d9cd1989b7d71d3949d217871d6548d933693c3de","abstract_canon_sha256":"93e9f97c58c58d678e8b2c929c5e6960ecb775ff59236a1746dd39fa29dd2203"},"schema_version":"1.0"},"canonical_sha256":"847d1bdf2e899375c0cef9d7ec3b99417d697492813028f9190b549183878261","source":{"kind":"arxiv","id":"2105.06178","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06178","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06178v3","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06178","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"pith_short_12","alias_value":"QR6RXXZORGJX","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"pith_short_16","alias_value":"QR6RXXZORGJXLQGO","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"pith_short_8","alias_value":"QR6RXXZO","created_at":"2026-07-05T06:57:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:QR6RXXZORGJXLQGO7HL6YO4ZIF","target":"record","payload":{"canonical_record":{"source":{"id":"2105.06178","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-05-13T10:16:13Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"ac53c6104171da20399f624d9cd1989b7d71d3949d217871d6548d933693c3de","abstract_canon_sha256":"93e9f97c58c58d678e8b2c929c5e6960ecb775ff59236a1746dd39fa29dd2203"},"schema_version":"1.0"},"canonical_sha256":"847d1bdf2e899375c0cef9d7ec3b99417d697492813028f9190b549183878261","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:57:17.628927Z","signature_b64":"FFwVaG065rehybyyN//iVF+X5U4TYCM/1j8wH0anTMMKFkTu8niCvxqmVYhN+/l/B8bZ55UNIDyPM3vZam8sBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"847d1bdf2e899375c0cef9d7ec3b99417d697492813028f9190b549183878261","last_reissued_at":"2026-07-05T06:57:17.628477Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:57:17.628477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.06178","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:57:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QJ6YUzFF/s7vYoY8AJq1FqF7KiZIM8KVoyFMzb4LKg2O7YkT3beZpwobpGhRgflvLNa0zSmW2THBsOyTN8HtBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T18:21:45.848451Z"},"content_sha256":"e83a48fab522e2c6317da35ed953b50ceb96fab097bfdbdf39c0ecaab451e0ac","schema_version":"1.0","event_id":"sha256:e83a48fab522e2c6317da35ed953b50ceb96fab097bfdbdf39c0ecaab451e0ac"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:QR6RXXZORGJXLQGO7HL6YO4ZIF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Paying Attention to Astronomical Transients: Introducing the Time-series Transformer for Photometric Classification","license":"http://creativecommons.org/licenses/by-sa/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"astro-ph.IM","authors_text":"Jason D. McEwen, Tarek Allam Jr.","submitted_at":"2021-05-13T10:16:13Z","abstract_excerpt":"Future surveys such as the Legacy Survey of Space and Time (LSST) of the Vera C. Rubin Observatory will observe an order of magnitude more astrophysical transient events than any previous survey before. With this deluge of photometric data, it will be impossible for all such events to be classified by humans alone. Recent efforts have sought to leverage machine learning methods to tackle the challenge of astronomical transient classification, with ever improving success. Transformers are a recently developed deep learning architecture, first proposed for natural language processing, that have "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06178","kind":"arxiv","version":3},"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/2105.06178/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":"2026-07-05T06:57:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mwa6wDqrTCDPGOQfW5dZvq1B9RO8tMJkCBVff/0kuHq/OmgjWoIQIyMmquWGKymAL1ikrgKurOXqfvOGMMAlCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T18:21:45.848963Z"},"content_sha256":"0a18ee9b904fb6704d9b07e24f22ff79369f8a00175eccb493742c7ef015cbca","schema_version":"1.0","event_id":"sha256:0a18ee9b904fb6704d9b07e24f22ff79369f8a00175eccb493742c7ef015cbca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF/bundle.json","state_url":"https://pith.science/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF/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":"2026-08-21T18:21:45Z","links":{"resolver":"https://pith.science/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF","bundle":"https://pith.science/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF/bundle.json","state":"https://pith.science/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QR6RXXZORGJXLQGO7HL6YO4ZIF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:QR6RXXZORGJXLQGO7HL6YO4ZIF","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":"93e9f97c58c58d678e8b2c929c5e6960ecb775ff59236a1746dd39fa29dd2203","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-05-13T10:16:13Z","title_canon_sha256":"ac53c6104171da20399f624d9cd1989b7d71d3949d217871d6548d933693c3de"},"schema_version":"1.0","source":{"id":"2105.06178","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.06178","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"arxiv_version","alias_value":"2105.06178v3","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.06178","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"pith_short_12","alias_value":"QR6RXXZORGJX","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"pith_short_16","alias_value":"QR6RXXZORGJXLQGO","created_at":"2026-07-05T06:57:17Z"},{"alias_kind":"pith_short_8","alias_value":"QR6RXXZO","created_at":"2026-07-05T06:57:17Z"}],"graph_snapshots":[{"event_id":"sha256:0a18ee9b904fb6704d9b07e24f22ff79369f8a00175eccb493742c7ef015cbca","target":"graph","created_at":"2026-07-05T06:57:17Z","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/2105.06178/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Future surveys such as the Legacy Survey of Space and Time (LSST) of the Vera C. Rubin Observatory will observe an order of magnitude more astrophysical transient events than any previous survey before. With this deluge of photometric data, it will be impossible for all such events to be classified by humans alone. Recent efforts have sought to leverage machine learning methods to tackle the challenge of astronomical transient classification, with ever improving success. Transformers are a recently developed deep learning architecture, first proposed for natural language processing, that have ","authors_text":"Jason D. McEwen, Tarek Allam Jr.","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-05-13T10:16:13Z","title":"Paying Attention to Astronomical Transients: Introducing the Time-series Transformer for Photometric Classification"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.06178","kind":"arxiv","version":3},"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:e83a48fab522e2c6317da35ed953b50ceb96fab097bfdbdf39c0ecaab451e0ac","target":"record","created_at":"2026-07-05T06:57:17Z","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":"93e9f97c58c58d678e8b2c929c5e6960ecb775ff59236a1746dd39fa29dd2203","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by-sa/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2021-05-13T10:16:13Z","title_canon_sha256":"ac53c6104171da20399f624d9cd1989b7d71d3949d217871d6548d933693c3de"},"schema_version":"1.0","source":{"id":"2105.06178","kind":"arxiv","version":3}},"canonical_sha256":"847d1bdf2e899375c0cef9d7ec3b99417d697492813028f9190b549183878261","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"847d1bdf2e899375c0cef9d7ec3b99417d697492813028f9190b549183878261","first_computed_at":"2026-07-05T06:57:17.628477Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:57:17.628477Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FFwVaG065rehybyyN//iVF+X5U4TYCM/1j8wH0anTMMKFkTu8niCvxqmVYhN+/l/B8bZ55UNIDyPM3vZam8sBA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:57:17.628927Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.06178","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e83a48fab522e2c6317da35ed953b50ceb96fab097bfdbdf39c0ecaab451e0ac","sha256:0a18ee9b904fb6704d9b07e24f22ff79369f8a00175eccb493742c7ef015cbca"],"state_sha256":"81a9542323ed0dbe9783ff1c6dfb8dde230dcc744d151bcee9332e1e93d3bcd6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uXHlsFYNQwXP87SFK2Cim8KfY0LrjvVxPd+52O+G1uFhVMUIXjcleMhCsJ9LRlfTt15BCi25RENDL99XZq8ACw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T18:21:45.852490Z","bundle_sha256":"1fa9c9ff664e157ff1adc4dbabfeeddd9b0e210f7ceeaaff05d0d3fa7c8bb479"}}