{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:Q6XRAFN5DRYJ43GGTMFB3DDRDP","short_pith_number":"pith:Q6XRAFN5","canonical_record":{"source":{"id":"1602.04486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-14T18:44:35Z","cross_cats_sorted":[],"title_canon_sha256":"4d3e0cbbd9d86d4f1ea77c8d0d32d413de418feb944b24cdc5372562fc635d2f","abstract_canon_sha256":"5daf9ce37580407098dcbdcc99ef869637910c08f61778f8ebc359c7f9b34ec6"},"schema_version":"1.0"},"canonical_sha256":"87af1015bd1c709e6cc69b0a1d8c711bd247f82d8d7f2ffc8cdf0e860a04b3b6","source":{"kind":"arxiv","id":"1602.04486","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.04486","created_at":"2026-05-18T01:20:49Z"},{"alias_kind":"arxiv_version","alias_value":"1602.04486v1","created_at":"2026-05-18T01:20:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.04486","created_at":"2026-05-18T01:20:49Z"},{"alias_kind":"pith_short_12","alias_value":"Q6XRAFN5DRYJ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q6XRAFN5DRYJ43GG","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q6XRAFN5","created_at":"2026-05-18T12:30:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:Q6XRAFN5DRYJ43GGTMFB3DDRDP","target":"record","payload":{"canonical_record":{"source":{"id":"1602.04486","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-14T18:44:35Z","cross_cats_sorted":[],"title_canon_sha256":"4d3e0cbbd9d86d4f1ea77c8d0d32d413de418feb944b24cdc5372562fc635d2f","abstract_canon_sha256":"5daf9ce37580407098dcbdcc99ef869637910c08f61778f8ebc359c7f9b34ec6"},"schema_version":"1.0"},"canonical_sha256":"87af1015bd1c709e6cc69b0a1d8c711bd247f82d8d7f2ffc8cdf0e860a04b3b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:49.822809Z","signature_b64":"dxwa9kMOKYM11pax4RgjUTKmrgGPslpgbYbO58lAYGq0FqwHW+3mKdYyKqEP8nmrbqC0jZdW8Ptj9Cev3F9FBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"87af1015bd1c709e6cc69b0a1d8c711bd247f82d8d7f2ffc8cdf0e860a04b3b6","last_reissued_at":"2026-05-18T01:20:49.822349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:49.822349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.04486","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":"2026-05-18T01:20:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D0yLmBk7zniMPTXp/bNxBHsg4SxMR9OoVNxQNthObTVBTom8XcZfW1H/x8SQzBadFDWrXU3BxenkMOV4eNUACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:39:08.267635Z"},"content_sha256":"fbe8fbe608183a2c7bb518062f8478321df1468e1bdf33e98fa212eab7921086","schema_version":"1.0","event_id":"sha256:fbe8fbe608183a2c7bb518062f8478321df1468e1bdf33e98fa212eab7921086"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:Q6XRAFN5DRYJ43GGTMFB3DDRDP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraints on the original ejection velocity fields of asteroid families","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David Nesvorn\\'y, Valerio Carruba","submitted_at":"2016-02-14T18:44:35Z","abstract_excerpt":"Asteroid families form as a result of large-scale collisions among main belt asteroids. The orbital distribution of fragments after a family-forming impact could inform us about their ejection velocities. Unfortunately, however, orbits dynamically evolve by a number of effects, including the Yarkovsky drift, chaotic diffusion, and gravitational encounters with massive asteroids, such that it is difficult to infer the ejection velocities eons after each family's formation. Here we analyze the inclination distribution of asteroid families, because proper inclination can remain constant over long"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.04486","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":"2026-05-18T01:20:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cuF/NHTjOyT/icNQJ6lc7SlVT/pQwrLodtK9kIfbvaDL8IdZffqOUPQuW+cAruTkQw4P8lT5Xr/57LhZlaaTBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:39:08.267982Z"},"content_sha256":"ec3116db0b4a2bbbefc5651d718edeccdb0a45902992df7046f7f0fa86786f16","schema_version":"1.0","event_id":"sha256:ec3116db0b4a2bbbefc5651d718edeccdb0a45902992df7046f7f0fa86786f16"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP/bundle.json","state_url":"https://pith.science/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP/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":"2026-06-04T21:39:08Z","links":{"resolver":"https://pith.science/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP","bundle":"https://pith.science/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP/bundle.json","state":"https://pith.science/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q6XRAFN5DRYJ43GGTMFB3DDRDP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:Q6XRAFN5DRYJ43GGTMFB3DDRDP","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":"5daf9ce37580407098dcbdcc99ef869637910c08f61778f8ebc359c7f9b34ec6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-14T18:44:35Z","title_canon_sha256":"4d3e0cbbd9d86d4f1ea77c8d0d32d413de418feb944b24cdc5372562fc635d2f"},"schema_version":"1.0","source":{"id":"1602.04486","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.04486","created_at":"2026-05-18T01:20:49Z"},{"alias_kind":"arxiv_version","alias_value":"1602.04486v1","created_at":"2026-05-18T01:20:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.04486","created_at":"2026-05-18T01:20:49Z"},{"alias_kind":"pith_short_12","alias_value":"Q6XRAFN5DRYJ","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_16","alias_value":"Q6XRAFN5DRYJ43GG","created_at":"2026-05-18T12:30:39Z"},{"alias_kind":"pith_short_8","alias_value":"Q6XRAFN5","created_at":"2026-05-18T12:30:39Z"}],"graph_snapshots":[{"event_id":"sha256:ec3116db0b4a2bbbefc5651d718edeccdb0a45902992df7046f7f0fa86786f16","target":"graph","created_at":"2026-05-18T01:20:49Z","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":"Asteroid families form as a result of large-scale collisions among main belt asteroids. The orbital distribution of fragments after a family-forming impact could inform us about their ejection velocities. Unfortunately, however, orbits dynamically evolve by a number of effects, including the Yarkovsky drift, chaotic diffusion, and gravitational encounters with massive asteroids, such that it is difficult to infer the ejection velocities eons after each family's formation. Here we analyze the inclination distribution of asteroid families, because proper inclination can remain constant over long","authors_text":"David Nesvorn\\'y, Valerio Carruba","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-14T18:44:35Z","title":"Constraints on the original ejection velocity fields of asteroid families"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.04486","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:fbe8fbe608183a2c7bb518062f8478321df1468e1bdf33e98fa212eab7921086","target":"record","created_at":"2026-05-18T01:20:49Z","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":"5daf9ce37580407098dcbdcc99ef869637910c08f61778f8ebc359c7f9b34ec6","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2016-02-14T18:44:35Z","title_canon_sha256":"4d3e0cbbd9d86d4f1ea77c8d0d32d413de418feb944b24cdc5372562fc635d2f"},"schema_version":"1.0","source":{"id":"1602.04486","kind":"arxiv","version":1}},"canonical_sha256":"87af1015bd1c709e6cc69b0a1d8c711bd247f82d8d7f2ffc8cdf0e860a04b3b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"87af1015bd1c709e6cc69b0a1d8c711bd247f82d8d7f2ffc8cdf0e860a04b3b6","first_computed_at":"2026-05-18T01:20:49.822349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:49.822349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dxwa9kMOKYM11pax4RgjUTKmrgGPslpgbYbO58lAYGq0FqwHW+3mKdYyKqEP8nmrbqC0jZdW8Ptj9Cev3F9FBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:49.822809Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.04486","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fbe8fbe608183a2c7bb518062f8478321df1468e1bdf33e98fa212eab7921086","sha256:ec3116db0b4a2bbbefc5651d718edeccdb0a45902992df7046f7f0fa86786f16"],"state_sha256":"d63f880786d4242cb9020d44a7b02d2aeacb3f0994a5c8208412b97e84304e63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Fg7ZQoBvMPJVOZ6aNEMXtQbALNtRgeH9rWLvorSJpbJjRKq9sfFmcTzUjJrVfxqoGjZZmxrE1cH0zxBVidecBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:39:08.270375Z","bundle_sha256":"e77ecb54b3596f88f9acf3c633fb62ca49f9f0d8b344a8b24cfc9ded9f485865"}}