{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:H2UE7UEA6YSXJ4CZ4C72CIP24S","short_pith_number":"pith:H2UE7UEA","canonical_record":{"source":{"id":"1306.3741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-17T05:24:28Z","cross_cats_sorted":[],"title_canon_sha256":"df4ebc896bddfb9fb36c9cfcc4913e5adb3391b57ac629be03e30d61529316b6","abstract_canon_sha256":"a9da2239b290ed73f91e5ecbb410240b1e502e6a162bf6d5f1cce8470cae53e0"},"schema_version":"1.0"},"canonical_sha256":"3ea84fd080f62574f059e0bfa121fae49763aa47452e796888c7751f50d2f9ac","source":{"kind":"arxiv","id":"1306.3741","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3741","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3741v1","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3741","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"pith_short_12","alias_value":"H2UE7UEA6YSX","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"H2UE7UEA6YSXJ4CZ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"H2UE7UEA","created_at":"2026-05-18T12:27:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:H2UE7UEA6YSXJ4CZ4C72CIP24S","target":"record","payload":{"canonical_record":{"source":{"id":"1306.3741","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-17T05:24:28Z","cross_cats_sorted":[],"title_canon_sha256":"df4ebc896bddfb9fb36c9cfcc4913e5adb3391b57ac629be03e30d61529316b6","abstract_canon_sha256":"a9da2239b290ed73f91e5ecbb410240b1e502e6a162bf6d5f1cce8470cae53e0"},"schema_version":"1.0"},"canonical_sha256":"3ea84fd080f62574f059e0bfa121fae49763aa47452e796888c7751f50d2f9ac","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:49:16.390684Z","signature_b64":"PljivAzs45iBIR1qvinWFARfLuTWVTRZgbKA8HsOrHE4SNQgPQZsdb6yDZRmM5BI+0Il6ks/C0rHM9q9HiuKDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3ea84fd080f62574f059e0bfa121fae49763aa47452e796888c7751f50d2f9ac","last_reissued_at":"2026-05-18T01:49:16.390018Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:49:16.390018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1306.3741","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":"2026-05-18T01:49:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LJxkLJ6UR9Vw0VcNyMMY8zjY6oLVK/pECwLdnCeqHKuPuS5APn5vOQuu+tbRdEa5uvTTjkKrbTSJAzyeuGSaDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:25:24.731609Z"},"content_sha256":"0b461f5db6a7884d522abb22339931a93a66b698d7e5ea46818cd081a9154f06","schema_version":"1.0","event_id":"sha256:0b461f5db6a7884d522abb22339931a93a66b698d7e5ea46818cd081a9154f06"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:H2UE7UEA6YSXJ4CZ4C72CIP24S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Dust Tail of Asteroid (3200) Phaethon","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David Jewitt, Jessica Agarwal, Jing Li","submitted_at":"2013-06-17T05:24:28Z","abstract_excerpt":"We report the discovery of a comet-like tail on asteroid (3200) Phaethon when imaged at optical wavelengths near perihelion. In both 2009 and 2012, the tail appears >=350\" (2.5x10^8 m) in length and extends approximately in the projected anti-solar direction. We interpret the tail as being caused by dust particles accelerated by solar radiation pressure. The sudden appearance and the morphology of the tail indicate that the dust particles are small, with an effective radius ~1 micrometer and a combined mass ~3x10^5 kg. These particles are likely products of thermal fracture and/or desiccation "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3741","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":"2026-05-18T01:49:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AtY1+GnmFKyT1i0dzYXn8jC1PbJtFSf2lV3V2Apw5kHZB9vCrOFdJ74KH7uRWcoRXe3cGsyAlfesPzorKsBSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:25:24.731960Z"},"content_sha256":"5d9b172a7adce495f33a105093687fe7ba67e758f24e2086a1ddc91fb32ae0fa","schema_version":"1.0","event_id":"sha256:5d9b172a7adce495f33a105093687fe7ba67e758f24e2086a1ddc91fb32ae0fa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S/bundle.json","state_url":"https://pith.science/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S/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":"2026-06-01T03:25:24Z","links":{"resolver":"https://pith.science/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S","bundle":"https://pith.science/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S/bundle.json","state":"https://pith.science/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/H2UE7UEA6YSXJ4CZ4C72CIP24S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:H2UE7UEA6YSXJ4CZ4C72CIP24S","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":"a9da2239b290ed73f91e5ecbb410240b1e502e6a162bf6d5f1cce8470cae53e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-17T05:24:28Z","title_canon_sha256":"df4ebc896bddfb9fb36c9cfcc4913e5adb3391b57ac629be03e30d61529316b6"},"schema_version":"1.0","source":{"id":"1306.3741","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1306.3741","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"arxiv_version","alias_value":"1306.3741v1","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1306.3741","created_at":"2026-05-18T01:49:16Z"},{"alias_kind":"pith_short_12","alias_value":"H2UE7UEA6YSX","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_16","alias_value":"H2UE7UEA6YSXJ4CZ","created_at":"2026-05-18T12:27:46Z"},{"alias_kind":"pith_short_8","alias_value":"H2UE7UEA","created_at":"2026-05-18T12:27:46Z"}],"graph_snapshots":[{"event_id":"sha256:5d9b172a7adce495f33a105093687fe7ba67e758f24e2086a1ddc91fb32ae0fa","target":"graph","created_at":"2026-05-18T01:49:16Z","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 report the discovery of a comet-like tail on asteroid (3200) Phaethon when imaged at optical wavelengths near perihelion. In both 2009 and 2012, the tail appears >=350\" (2.5x10^8 m) in length and extends approximately in the projected anti-solar direction. We interpret the tail as being caused by dust particles accelerated by solar radiation pressure. The sudden appearance and the morphology of the tail indicate that the dust particles are small, with an effective radius ~1 micrometer and a combined mass ~3x10^5 kg. These particles are likely products of thermal fracture and/or desiccation ","authors_text":"David Jewitt, Jessica Agarwal, Jing Li","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-17T05:24:28Z","title":"The Dust Tail of Asteroid (3200) Phaethon"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1306.3741","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":"sha256:0b461f5db6a7884d522abb22339931a93a66b698d7e5ea46818cd081a9154f06","target":"record","created_at":"2026-05-18T01:49:16Z","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":"a9da2239b290ed73f91e5ecbb410240b1e502e6a162bf6d5f1cce8470cae53e0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-06-17T05:24:28Z","title_canon_sha256":"df4ebc896bddfb9fb36c9cfcc4913e5adb3391b57ac629be03e30d61529316b6"},"schema_version":"1.0","source":{"id":"1306.3741","kind":"arxiv","version":1}},"canonical_sha256":"3ea84fd080f62574f059e0bfa121fae49763aa47452e796888c7751f50d2f9ac","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3ea84fd080f62574f059e0bfa121fae49763aa47452e796888c7751f50d2f9ac","first_computed_at":"2026-05-18T01:49:16.390018Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:49:16.390018Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PljivAzs45iBIR1qvinWFARfLuTWVTRZgbKA8HsOrHE4SNQgPQZsdb6yDZRmM5BI+0Il6ks/C0rHM9q9HiuKDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:49:16.390684Z","signed_message":"canonical_sha256_bytes"},"source_id":"1306.3741","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0b461f5db6a7884d522abb22339931a93a66b698d7e5ea46818cd081a9154f06","sha256:5d9b172a7adce495f33a105093687fe7ba67e758f24e2086a1ddc91fb32ae0fa"],"state_sha256":"48388b4afd69b598963ec08815c39ac50c1726d3c9bb6121efa67c5be12945e7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"13IAmEW0VmOeue4F40bzU+5C5vb3qXVt3GRkbGJW9s5ZE6a9AlQNAg6HnjL5KMSQmE8sir9NWwjWtvNDiQWuAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:25:24.734119Z","bundle_sha256":"6e1075fd86edeba662f83db6fc7784f45554a6cf8f51e175600651c79d1f1865"}}