{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:YTKJJ5RWVPAN3KTTILPSXO3H45","short_pith_number":"pith:YTKJJ5RW","canonical_record":{"source":{"id":"1209.5391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-24T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"55baccc55b13c97251b1fe9b16690b4594fe4801280901dfba5321776055f8f1","abstract_canon_sha256":"cb737a0a50dcf24e3d49e009487de4772cbd0610485297170fdb14a9a2a27232"},"schema_version":"1.0"},"canonical_sha256":"c4d494f636abc0ddaa7342df2bbb67e769f8dadb2af20f9d6b64b595c549bb1d","source":{"kind":"arxiv","id":"1209.5391","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5391","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5391v1","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5391","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"YTKJJ5RWVPAN","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTKJJ5RWVPAN3KTT","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTKJJ5RW","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:YTKJJ5RWVPAN3KTTILPSXO3H45","target":"record","payload":{"canonical_record":{"source":{"id":"1209.5391","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-24T20:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"55baccc55b13c97251b1fe9b16690b4594fe4801280901dfba5321776055f8f1","abstract_canon_sha256":"cb737a0a50dcf24e3d49e009487de4772cbd0610485297170fdb14a9a2a27232"},"schema_version":"1.0"},"canonical_sha256":"c4d494f636abc0ddaa7342df2bbb67e769f8dadb2af20f9d6b64b595c549bb1d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:19.374686Z","signature_b64":"XTOP3/OaHPFOR+LXwA2XyybCRjSs7tUwYHOn2uSQSDQ5iSbQgiqm3Gt4t3Ro3x0zg8nfe6wIqRR7E/QgpXRtBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c4d494f636abc0ddaa7342df2bbb67e769f8dadb2af20f9d6b64b595c549bb1d","last_reissued_at":"2026-05-18T01:54:19.374198Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:19.374198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1209.5391","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":"2026-05-18T01:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IgXcRSswJnmm+Rlq0oQPL1CSgtomM3YV5VacuForhpTXzbLVrREDzvAuBE6Apia1NqkoOrXiRXR2SlFexW+EBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:37:04.989604Z"},"content_sha256":"76741240a5cf62be1d690c0f315757227ec8f5dddd552c967d7d474da0584a6c","schema_version":"1.0","event_id":"sha256:76741240a5cf62be1d690c0f315757227ec8f5dddd552c967d7d474da0584a6c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:YTKJJ5RWVPAN3KTTILPSXO3H45","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Cold Milky Way Stellar Stream in the Direction of Triangulum","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ana Bonaca, Marla Geha, Nitya Kallivayalil","submitted_at":"2012-09-24T20:00:00Z","abstract_excerpt":"We present evidence for a new Milky Way stellar tidal stream in the direction of the Andromeda and Triangulum (M31 and M33) galaxies. Using a matched-filter technique, we search the Sloan Digital Sky Survey Data Release 8 by creating stellar density maps which probe the Milky Way halo at distances between 8 and 40 kpc. A visual search of these maps recovers all of the major known stellar streams, as well as a new stream in the direction of M31/M33 which we name the Triangulum stream. The stream spans 0.2 deg by 12 deg on the sky, or 75 pc by 5.5 kpc in physical units with a best fitting distan"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5391","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":""},"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":"2026-05-18T01:54:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9RPXRQ0FEtbRVSR1Mvz1V6AUl2/arMVhAxkNW/dVcZMi9ml97cEO3n/ugx6SpnQpdraBsLO73yue9zVg0ncLBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T10:37:04.990251Z"},"content_sha256":"fde98d550a5da2970368a86b21807419c78016085097d2ed37651c70ac51178f","schema_version":"1.0","event_id":"sha256:fde98d550a5da2970368a86b21807419c78016085097d2ed37651c70ac51178f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YTKJJ5RWVPAN3KTTILPSXO3H45/bundle.json","state_url":"https://pith.science/pith/YTKJJ5RWVPAN3KTTILPSXO3H45/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YTKJJ5RWVPAN3KTTILPSXO3H45/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":"2026-05-26T10:37:04Z","links":{"resolver":"https://pith.science/pith/YTKJJ5RWVPAN3KTTILPSXO3H45","bundle":"https://pith.science/pith/YTKJJ5RWVPAN3KTTILPSXO3H45/bundle.json","state":"https://pith.science/pith/YTKJJ5RWVPAN3KTTILPSXO3H45/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YTKJJ5RWVPAN3KTTILPSXO3H45/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:YTKJJ5RWVPAN3KTTILPSXO3H45","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":"cb737a0a50dcf24e3d49e009487de4772cbd0610485297170fdb14a9a2a27232","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-24T20:00:00Z","title_canon_sha256":"55baccc55b13c97251b1fe9b16690b4594fe4801280901dfba5321776055f8f1"},"schema_version":"1.0","source":{"id":"1209.5391","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1209.5391","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"arxiv_version","alias_value":"1209.5391v1","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1209.5391","created_at":"2026-05-18T01:54:19Z"},{"alias_kind":"pith_short_12","alias_value":"YTKJJ5RWVPAN","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"YTKJJ5RWVPAN3KTT","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"YTKJJ5RW","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:fde98d550a5da2970368a86b21807419c78016085097d2ed37651c70ac51178f","target":"graph","created_at":"2026-05-18T01:54:19Z","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"},"paper":{"abstract_excerpt":"We present evidence for a new Milky Way stellar tidal stream in the direction of the Andromeda and Triangulum (M31 and M33) galaxies. Using a matched-filter technique, we search the Sloan Digital Sky Survey Data Release 8 by creating stellar density maps which probe the Milky Way halo at distances between 8 and 40 kpc. A visual search of these maps recovers all of the major known stellar streams, as well as a new stream in the direction of M31/M33 which we name the Triangulum stream. The stream spans 0.2 deg by 12 deg on the sky, or 75 pc by 5.5 kpc in physical units with a best fitting distan","authors_text":"Ana Bonaca, Marla Geha, Nitya Kallivayalil","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-24T20:00:00Z","title":"A Cold Milky Way Stellar Stream in the Direction of Triangulum"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1209.5391","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":"sha256:76741240a5cf62be1d690c0f315757227ec8f5dddd552c967d7d474da0584a6c","target":"record","created_at":"2026-05-18T01:54:19Z","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":"cb737a0a50dcf24e3d49e009487de4772cbd0610485297170fdb14a9a2a27232","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2012-09-24T20:00:00Z","title_canon_sha256":"55baccc55b13c97251b1fe9b16690b4594fe4801280901dfba5321776055f8f1"},"schema_version":"1.0","source":{"id":"1209.5391","kind":"arxiv","version":1}},"canonical_sha256":"c4d494f636abc0ddaa7342df2bbb67e769f8dadb2af20f9d6b64b595c549bb1d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c4d494f636abc0ddaa7342df2bbb67e769f8dadb2af20f9d6b64b595c549bb1d","first_computed_at":"2026-05-18T01:54:19.374198Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:19.374198Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XTOP3/OaHPFOR+LXwA2XyybCRjSs7tUwYHOn2uSQSDQ5iSbQgiqm3Gt4t3Ro3x0zg8nfe6wIqRR7E/QgpXRtBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:19.374686Z","signed_message":"canonical_sha256_bytes"},"source_id":"1209.5391","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:76741240a5cf62be1d690c0f315757227ec8f5dddd552c967d7d474da0584a6c","sha256:fde98d550a5da2970368a86b21807419c78016085097d2ed37651c70ac51178f"],"state_sha256":"5300b24bf8c8a3e210f6fb54847d1722dc03c70f0d399b01899869c4a7a2c3d9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k0Jx3MV7EshTJr7BRv4QI0K3zmPB9mLd3GsZkk5t85SDuZtqjUbNd5V0cRGIZ13LISqjzBfjWAoxsb2OJizHCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T10:37:04.994094Z","bundle_sha256":"5773cb5086b4cc2c6275f1c69eb27a9bc1617d47fa72b10542a1ae8a675a8432"}}