{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:Q3EADJ2537C7HGLZ5LOC5V6MXE","short_pith_number":"pith:Q3EADJ25","canonical_record":{"source":{"id":"1308.3349","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-15T10:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"c2e208e37e2bee2c5ccdc92495c28ac55d7028a1146d289bd2a0c8ccca9f58d1","abstract_canon_sha256":"c8370f92bd47d0be056869022bf38ebb15d52b88175cd720315eaf49de6ebf10"},"schema_version":"1.0"},"canonical_sha256":"86c801a75ddfc5f39979eadc2ed7ccb91cde073fc19a6c3de993cd46ae824f92","source":{"kind":"arxiv","id":"1308.3349","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3349","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3349v1","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3349","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"Q3EADJ2537C7","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q3EADJ2537C7HGLZ","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q3EADJ25","created_at":"2026-05-18T12:27:57Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:Q3EADJ2537C7HGLZ5LOC5V6MXE","target":"record","payload":{"canonical_record":{"source":{"id":"1308.3349","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-15T10:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"c2e208e37e2bee2c5ccdc92495c28ac55d7028a1146d289bd2a0c8ccca9f58d1","abstract_canon_sha256":"c8370f92bd47d0be056869022bf38ebb15d52b88175cd720315eaf49de6ebf10"},"schema_version":"1.0"},"canonical_sha256":"86c801a75ddfc5f39979eadc2ed7ccb91cde073fc19a6c3de993cd46ae824f92","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:48:15.278123Z","signature_b64":"U/t9D8XOBGsJYUJx+Et6OebI8wjdTB/YbLpsBP+G0BicYKmtjo1V7jx3keZu51WQo0Bu26ynYSFJ+3U62uyKDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86c801a75ddfc5f39979eadc2ed7ccb91cde073fc19a6c3de993cd46ae824f92","last_reissued_at":"2026-05-18T01:48:15.277691Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:48:15.277691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1308.3349","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":"2026-05-18T01:48:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5G53IdSCHGHqqhMu7s+MVdImtJRQhtvMp4Ts3bz54IfYPVgXcYNlx74JeD9dZJ5h3/MfzRphASC1cnyN5m0KBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:53:11.404874Z"},"content_sha256":"8ce051029c0b6a4fe04b025a79b747eea9799b969e25313ac26ab0f4b30d28df","schema_version":"1.0","event_id":"sha256:8ce051029c0b6a4fe04b025a79b747eea9799b969e25313ac26ab0f4b30d28df"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:Q3EADJ2537C7HGLZ5LOC5V6MXE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"High Ecliptic Latitude Survey for Small Main-Belt Asteroids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Jun Takahashi, Tsuyoshi Terai, Yoichi Itoh","submitted_at":"2013-08-15T10:00:00Z","abstract_excerpt":"Main-belt asteroids have been continuously colliding with one another since they were formed. Its size distribution is primarily determined by the size dependence of asteroid strength against catastrophic impacts. The strength scaling law as a function of body size could depend on collision velocity, but the relationship remains unknown especially under hypervelocity collisions comparable to 10 km/sec. We present a wide-field imaging survey at ecliptic latitude of around 25 deg for investigating the size distribution of small main-belt asteroids which have highly inclined orbits. The analysis "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3349","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":"2026-05-18T01:48:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GOJ6Na5UE+O22qJzDiqOyA67j1Co+d4UQP2vZpYZO/6eXXtrIMpyB7144Pnq7xYaYwBbqtNoyL6JcX396oONDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T05:53:11.405237Z"},"content_sha256":"812de8203c43c31ff8a83229782f767528b6e4d0bf1ee5a04441e15a4908568d","schema_version":"1.0","event_id":"sha256:812de8203c43c31ff8a83229782f767528b6e4d0bf1ee5a04441e15a4908568d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE/bundle.json","state_url":"https://pith.science/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE/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":"2026-05-30T05:53:11Z","links":{"resolver":"https://pith.science/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE","bundle":"https://pith.science/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE/bundle.json","state":"https://pith.science/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q3EADJ2537C7HGLZ5LOC5V6MXE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:Q3EADJ2537C7HGLZ5LOC5V6MXE","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":"c8370f92bd47d0be056869022bf38ebb15d52b88175cd720315eaf49de6ebf10","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-15T10:00:00Z","title_canon_sha256":"c2e208e37e2bee2c5ccdc92495c28ac55d7028a1146d289bd2a0c8ccca9f58d1"},"schema_version":"1.0","source":{"id":"1308.3349","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1308.3349","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"arxiv_version","alias_value":"1308.3349v1","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1308.3349","created_at":"2026-05-18T01:48:15Z"},{"alias_kind":"pith_short_12","alias_value":"Q3EADJ2537C7","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_16","alias_value":"Q3EADJ2537C7HGLZ","created_at":"2026-05-18T12:27:57Z"},{"alias_kind":"pith_short_8","alias_value":"Q3EADJ25","created_at":"2026-05-18T12:27:57Z"}],"graph_snapshots":[{"event_id":"sha256:812de8203c43c31ff8a83229782f767528b6e4d0bf1ee5a04441e15a4908568d","target":"graph","created_at":"2026-05-18T01:48:15Z","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":"Main-belt asteroids have been continuously colliding with one another since they were formed. Its size distribution is primarily determined by the size dependence of asteroid strength against catastrophic impacts. The strength scaling law as a function of body size could depend on collision velocity, but the relationship remains unknown especially under hypervelocity collisions comparable to 10 km/sec. We present a wide-field imaging survey at ecliptic latitude of around 25 deg for investigating the size distribution of small main-belt asteroids which have highly inclined orbits. The analysis ","authors_text":"Jun Takahashi, Tsuyoshi Terai, Yoichi Itoh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-15T10:00:00Z","title":"High Ecliptic Latitude Survey for Small Main-Belt Asteroids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1308.3349","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":"sha256:8ce051029c0b6a4fe04b025a79b747eea9799b969e25313ac26ab0f4b30d28df","target":"record","created_at":"2026-05-18T01:48:15Z","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":"c8370f92bd47d0be056869022bf38ebb15d52b88175cd720315eaf49de6ebf10","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2013-08-15T10:00:00Z","title_canon_sha256":"c2e208e37e2bee2c5ccdc92495c28ac55d7028a1146d289bd2a0c8ccca9f58d1"},"schema_version":"1.0","source":{"id":"1308.3349","kind":"arxiv","version":1}},"canonical_sha256":"86c801a75ddfc5f39979eadc2ed7ccb91cde073fc19a6c3de993cd46ae824f92","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86c801a75ddfc5f39979eadc2ed7ccb91cde073fc19a6c3de993cd46ae824f92","first_computed_at":"2026-05-18T01:48:15.277691Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:48:15.277691Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"U/t9D8XOBGsJYUJx+Et6OebI8wjdTB/YbLpsBP+G0BicYKmtjo1V7jx3keZu51WQo0Bu26ynYSFJ+3U62uyKDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:48:15.278123Z","signed_message":"canonical_sha256_bytes"},"source_id":"1308.3349","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8ce051029c0b6a4fe04b025a79b747eea9799b969e25313ac26ab0f4b30d28df","sha256:812de8203c43c31ff8a83229782f767528b6e4d0bf1ee5a04441e15a4908568d"],"state_sha256":"ce5628b5aca3878b2211928acc7f05a04bc67aa3d332006d1bda9cab3c97480a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"90pis3GQkeEJn/8OM6jeBWqH0CQmKYtW0S6Uq1QWl24YDFR4EEJ6ZY78Yk5IsIKNJQ75OQHX0VYNfUSyCb3yBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T05:53:11.407230Z","bundle_sha256":"c70bd76e8b87f1d7488c47bc1edd061a316a434f2ea2bfee93cab2900061b39e"}}