{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:ERYEW3CFLQKHXTQ32FSMZFFQ3H","short_pith_number":"pith:ERYEW3CF","canonical_record":{"source":{"id":"0906.1786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-06-09T17:28:08Z","cross_cats_sorted":[],"title_canon_sha256":"8c1e658fc1fc02bfd6d59323e4cccb5509b98810ac50caeb2382a8b04899d352","abstract_canon_sha256":"a8a3fe715a364ac00a09cd62d03aa8c82f92abdeaa7074927e8889eac3cb9d0c"},"schema_version":"1.0"},"canonical_sha256":"24704b6c455c147bce1bd164cc94b0d9d6a84d9176c36c1c10d9867d8ab6c4e2","source":{"kind":"arxiv","id":"0906.1786","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1786","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1786v1","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1786","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"ERYEW3CFLQKH","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"pith_short_16","alias_value":"ERYEW3CFLQKHXTQ3","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"pith_short_8","alias_value":"ERYEW3CF","created_at":"2026-07-04T15:43:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:ERYEW3CFLQKHXTQ32FSMZFFQ3H","target":"record","payload":{"canonical_record":{"source":{"id":"0906.1786","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-06-09T17:28:08Z","cross_cats_sorted":[],"title_canon_sha256":"8c1e658fc1fc02bfd6d59323e4cccb5509b98810ac50caeb2382a8b04899d352","abstract_canon_sha256":"a8a3fe715a364ac00a09cd62d03aa8c82f92abdeaa7074927e8889eac3cb9d0c"},"schema_version":"1.0"},"canonical_sha256":"24704b6c455c147bce1bd164cc94b0d9d6a84d9176c36c1c10d9867d8ab6c4e2","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:43:29.926978Z","signature_b64":"75VfqRVGHLwhdbLvtWSbx/iLlvp67FGKCLRL1iYqVaN36NJ7S2FIs9uETE44SloD+omZAHck7zUiBu7J4R35DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24704b6c455c147bce1bd164cc94b0d9d6a84d9176c36c1c10d9867d8ab6c4e2","last_reissued_at":"2026-07-04T15:43:29.926641Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:43:29.926641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0906.1786","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":"2026-07-04T15:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3O+BBTosdgfDYNdoDCS6D5klx/HuGw3jB100xx4hhct9LWe6s0wqnhA1Ky4CJ7IA/67tOdKYJbcKjBik0IwjCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T19:30:23.451532Z"},"content_sha256":"f5e25dd2062d96a506eb7daac54b7874e43cd109aa889622a284a268fe543358","schema_version":"1.0","event_id":"sha256:f5e25dd2062d96a506eb7daac54b7874e43cd109aa889622a284a268fe543358"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:ERYEW3CFLQKHXTQ32FSMZFFQ3H","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Albedos of Small Jovian Trojans","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"D. Jewitt, J. E. Ziffer, Y. R. Fernandez","submitted_at":"2009-06-09T17:28:08Z","abstract_excerpt":"We present thermal observations of 44 Jovian Trojan asteroids with diameters (D) ranging from 5 to 24 km. All objects were observed at a wavelength of 24 microns with the Spitzer Space Telescope. Measurements of the thermal emission and of scattered optical light, mostly from the University of Hawaii 2.2-meter telescope, together allow us to constrain the diameter and geometric albedo of each body. We find that the median R-band albedo of these small Jovian Trojans is about 0.12, much higher than that of \"large\" Trojans with D > 57 km (0.04). Also the range of albedos among the small Trojans i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1786","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0906.1786/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T15:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wifXtKYflFbzc2iJ0wG0fP4X6BKkJjQM1tjpmTbppfFPISGIoql/Futlwo+60TzYhW7z46GfNeRxLAfL0LCvBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-04T19:30:23.451911Z"},"content_sha256":"41f21c09c869f575c30799f93a2cf22ed74ca7bf9bebdf57527487a98d337f8a","schema_version":"1.0","event_id":"sha256:41f21c09c869f575c30799f93a2cf22ed74ca7bf9bebdf57527487a98d337f8a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H/bundle.json","state_url":"https://pith.science/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H/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":"2026-07-04T19:30:23Z","links":{"resolver":"https://pith.science/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H","bundle":"https://pith.science/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H/bundle.json","state":"https://pith.science/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ERYEW3CFLQKHXTQ32FSMZFFQ3H/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:ERYEW3CFLQKHXTQ32FSMZFFQ3H","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":"a8a3fe715a364ac00a09cd62d03aa8c82f92abdeaa7074927e8889eac3cb9d0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-06-09T17:28:08Z","title_canon_sha256":"8c1e658fc1fc02bfd6d59323e4cccb5509b98810ac50caeb2382a8b04899d352"},"schema_version":"1.0","source":{"id":"0906.1786","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0906.1786","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"0906.1786v1","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0906.1786","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"ERYEW3CFLQKH","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"pith_short_16","alias_value":"ERYEW3CFLQKHXTQ3","created_at":"2026-07-04T15:43:29Z"},{"alias_kind":"pith_short_8","alias_value":"ERYEW3CF","created_at":"2026-07-04T15:43:29Z"}],"graph_snapshots":[{"event_id":"sha256:41f21c09c869f575c30799f93a2cf22ed74ca7bf9bebdf57527487a98d337f8a","target":"graph","created_at":"2026-07-04T15:43:29Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0906.1786/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present thermal observations of 44 Jovian Trojan asteroids with diameters (D) ranging from 5 to 24 km. All objects were observed at a wavelength of 24 microns with the Spitzer Space Telescope. Measurements of the thermal emission and of scattered optical light, mostly from the University of Hawaii 2.2-meter telescope, together allow us to constrain the diameter and geometric albedo of each body. We find that the median R-band albedo of these small Jovian Trojans is about 0.12, much higher than that of \"large\" Trojans with D > 57 km (0.04). Also the range of albedos among the small Trojans i","authors_text":"D. Jewitt, J. E. Ziffer, Y. R. Fernandez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-06-09T17:28:08Z","title":"Albedos of Small Jovian Trojans"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0906.1786","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:f5e25dd2062d96a506eb7daac54b7874e43cd109aa889622a284a268fe543358","target":"record","created_at":"2026-07-04T15:43:29Z","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":"a8a3fe715a364ac00a09cd62d03aa8c82f92abdeaa7074927e8889eac3cb9d0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-06-09T17:28:08Z","title_canon_sha256":"8c1e658fc1fc02bfd6d59323e4cccb5509b98810ac50caeb2382a8b04899d352"},"schema_version":"1.0","source":{"id":"0906.1786","kind":"arxiv","version":1}},"canonical_sha256":"24704b6c455c147bce1bd164cc94b0d9d6a84d9176c36c1c10d9867d8ab6c4e2","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24704b6c455c147bce1bd164cc94b0d9d6a84d9176c36c1c10d9867d8ab6c4e2","first_computed_at":"2026-07-04T15:43:29.926641Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:43:29.926641Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"75VfqRVGHLwhdbLvtWSbx/iLlvp67FGKCLRL1iYqVaN36NJ7S2FIs9uETE44SloD+omZAHck7zUiBu7J4R35DA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:43:29.926978Z","signed_message":"canonical_sha256_bytes"},"source_id":"0906.1786","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5e25dd2062d96a506eb7daac54b7874e43cd109aa889622a284a268fe543358","sha256:41f21c09c869f575c30799f93a2cf22ed74ca7bf9bebdf57527487a98d337f8a"],"state_sha256":"674e949b59194e3df98f659fc8c070c503d6bc844034076216b42929e070a314"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ym2h8miVSRdiKHw8WUE3Pfn8Amr01VtLUtx7wU6tMWC0JItK2/Faad/GfJxuQ86Xb6WkAFamEbRwUbjfjE6KDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-04T19:30:23.453992Z","bundle_sha256":"2473c2515154824a286af83a8dbe978312b502f3dbf987eb68a1eedfd79004a3"}}