{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:5KCBYINDOHX23HGBV6O2WWW3YS","short_pith_number":"pith:5KCBYIND","canonical_record":{"source":{"id":"1702.02766","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-02-09T09:41:23Z","cross_cats_sorted":[],"title_canon_sha256":"aeef4a39eb837c900d497f0c183eeb5cc70cf3e1ec5dee2c3cdc944dac133bff","abstract_canon_sha256":"9168b89e96c414aea1c174a21c5ea316445fc5977d1def356c2b922dd4fb0de8"},"schema_version":"1.0"},"canonical_sha256":"ea841c21a371efad9cc1af9dab5adbc48a914fe032549127bfe2e8e53c83c7fa","source":{"kind":"arxiv","id":"1702.02766","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02766","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02766v1","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02766","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"pith_short_12","alias_value":"5KCBYINDOHX2","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5KCBYINDOHX23HGB","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5KCBYIND","created_at":"2026-05-18T12:31:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:5KCBYINDOHX23HGBV6O2WWW3YS","target":"record","payload":{"canonical_record":{"source":{"id":"1702.02766","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-02-09T09:41:23Z","cross_cats_sorted":[],"title_canon_sha256":"aeef4a39eb837c900d497f0c183eeb5cc70cf3e1ec5dee2c3cdc944dac133bff","abstract_canon_sha256":"9168b89e96c414aea1c174a21c5ea316445fc5977d1def356c2b922dd4fb0de8"},"schema_version":"1.0"},"canonical_sha256":"ea841c21a371efad9cc1af9dab5adbc48a914fe032549127bfe2e8e53c83c7fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:46.590417Z","signature_b64":"Pzm/kjCX88r9opyaJkWheELzOQz7f5UnDdDhsx78/d1QtAA/38hJEsIe60KXgAAGD7grq4MwC8ci+q5+JK4SDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ea841c21a371efad9cc1af9dab5adbc48a914fe032549127bfe2e8e53c83c7fa","last_reissued_at":"2026-05-18T00:48:46.589797Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:46.589797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.02766","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":"2026-05-18T00:48:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0qV3MK/qtz/j1Ncdw9Xjvo4JtIcO7qXo9swC3mOCb4/CCZuAJUxutjqR8A4Y2QQ9KYn6li93pC6IWrGmbfGFDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:48:40.226765Z"},"content_sha256":"845adf344eb947b60f4839d47790c2d99a8b93c85757ed030518359f1ebcecb2","schema_version":"1.0","event_id":"sha256:845adf344eb947b60f4839d47790c2d99a8b93c85757ed030518359f1ebcecb2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:5KCBYINDOHX23HGBV6O2WWW3YS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Split Active Asteroid P/2016 J1 (PANSTARRS)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"David Jewitt, Man-To Hui, Xinnan Du","submitted_at":"2017-02-09T09:41:23Z","abstract_excerpt":"We present a photometric and astrometric study of the split active asteroid P/2016 J1 (PANSTARRS). The two components (hereafter J1-A and J1-B) separated either $\\sim$1500 days (2012 May to June) or 2300 days (2010 April) prior to the current epoch, with a separation speed $V_{\\mathrm{sep}} = 0.70 \\pm 0.02$ m s$^{-1}$ for the former scenario, or $0.83 \\pm 0.06$ m s$^{-1}$ for the latter. Keck photometry reveals that the two fragments have similar, Sun-like colors which are comparable to the colors of primitive C- and G-type asteroids. With a nominal comet-like albedo, $p_{R} = 0.04$, the effec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02766","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":"2026-05-18T00:48:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EDjjua/WVWU6rZUQrOjnAAePIbDwCgXurNDEK8wZ4KK3EdU1mMs5LEOwrnAWBwKxk3VZOJnMeV8Vbsefh+QKBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T08:48:40.227431Z"},"content_sha256":"73f8c808a5f1ea4709c8475073fc636078a0fc436ee83c4ad37e0c2cd3f8864f","schema_version":"1.0","event_id":"sha256:73f8c808a5f1ea4709c8475073fc636078a0fc436ee83c4ad37e0c2cd3f8864f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5KCBYINDOHX23HGBV6O2WWW3YS/bundle.json","state_url":"https://pith.science/pith/5KCBYINDOHX23HGBV6O2WWW3YS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5KCBYINDOHX23HGBV6O2WWW3YS/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":"2026-05-27T08:48:40Z","links":{"resolver":"https://pith.science/pith/5KCBYINDOHX23HGBV6O2WWW3YS","bundle":"https://pith.science/pith/5KCBYINDOHX23HGBV6O2WWW3YS/bundle.json","state":"https://pith.science/pith/5KCBYINDOHX23HGBV6O2WWW3YS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5KCBYINDOHX23HGBV6O2WWW3YS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:5KCBYINDOHX23HGBV6O2WWW3YS","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":"9168b89e96c414aea1c174a21c5ea316445fc5977d1def356c2b922dd4fb0de8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-02-09T09:41:23Z","title_canon_sha256":"aeef4a39eb837c900d497f0c183eeb5cc70cf3e1ec5dee2c3cdc944dac133bff"},"schema_version":"1.0","source":{"id":"1702.02766","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02766","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02766v1","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02766","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"pith_short_12","alias_value":"5KCBYINDOHX2","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_16","alias_value":"5KCBYINDOHX23HGB","created_at":"2026-05-18T12:31:00Z"},{"alias_kind":"pith_short_8","alias_value":"5KCBYIND","created_at":"2026-05-18T12:31:00Z"}],"graph_snapshots":[{"event_id":"sha256:73f8c808a5f1ea4709c8475073fc636078a0fc436ee83c4ad37e0c2cd3f8864f","target":"graph","created_at":"2026-05-18T00:48:46Z","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 a photometric and astrometric study of the split active asteroid P/2016 J1 (PANSTARRS). The two components (hereafter J1-A and J1-B) separated either $\\sim$1500 days (2012 May to June) or 2300 days (2010 April) prior to the current epoch, with a separation speed $V_{\\mathrm{sep}} = 0.70 \\pm 0.02$ m s$^{-1}$ for the former scenario, or $0.83 \\pm 0.06$ m s$^{-1}$ for the latter. Keck photometry reveals that the two fragments have similar, Sun-like colors which are comparable to the colors of primitive C- and G-type asteroids. With a nominal comet-like albedo, $p_{R} = 0.04$, the effec","authors_text":"David Jewitt, Man-To Hui, Xinnan Du","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-02-09T09:41:23Z","title":"Split Active Asteroid P/2016 J1 (PANSTARRS)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02766","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":"sha256:845adf344eb947b60f4839d47790c2d99a8b93c85757ed030518359f1ebcecb2","target":"record","created_at":"2026-05-18T00:48:46Z","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":"9168b89e96c414aea1c174a21c5ea316445fc5977d1def356c2b922dd4fb0de8","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2017-02-09T09:41:23Z","title_canon_sha256":"aeef4a39eb837c900d497f0c183eeb5cc70cf3e1ec5dee2c3cdc944dac133bff"},"schema_version":"1.0","source":{"id":"1702.02766","kind":"arxiv","version":1}},"canonical_sha256":"ea841c21a371efad9cc1af9dab5adbc48a914fe032549127bfe2e8e53c83c7fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ea841c21a371efad9cc1af9dab5adbc48a914fe032549127bfe2e8e53c83c7fa","first_computed_at":"2026-05-18T00:48:46.589797Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:46.589797Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Pzm/kjCX88r9opyaJkWheELzOQz7f5UnDdDhsx78/d1QtAA/38hJEsIe60KXgAAGD7grq4MwC8ci+q5+JK4SDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:46.590417Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02766","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:845adf344eb947b60f4839d47790c2d99a8b93c85757ed030518359f1ebcecb2","sha256:73f8c808a5f1ea4709c8475073fc636078a0fc436ee83c4ad37e0c2cd3f8864f"],"state_sha256":"1cea77b8ed42b5b897da92a6f94cfb5fb2fe2f3482e8f98921ee9bff06784ef3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PtcPX0kZTAnRTQmZVBoE7r57yrrqhBe3azMVU/05kaky890Qr+8J/xBoEIwoBQFAiEF5yarCAm4npV50oUOHCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T08:48:40.230851Z","bundle_sha256":"bea4b300eddbc0b579daa7f27bf9323aa711fae52e8f258bb59cd0c9074ea870"}}