{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:HPOLP5UGJKR7W6VWUXBVTWGE3A","short_pith_number":"pith:HPOLP5UG","canonical_record":{"source":{"id":"1407.2831","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-10T15:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"6375697388e3a6c131f1cd299088075d91032d97136b297e9d2a556aa8ebea51","abstract_canon_sha256":"c2c95f5c5464ff388d5fef8bcfef66e0306515dcf930b8dc8d8b145f9b567a1f"},"schema_version":"1.0"},"canonical_sha256":"3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4","source":{"kind":"arxiv","id":"1407.2831","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.2831","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"arxiv_version","alias_value":"1407.2831v2","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2831","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"pith_short_12","alias_value":"HPOLP5UGJKR7","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HPOLP5UGJKR7W6VW","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HPOLP5UG","created_at":"2026-05-18T12:28:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:HPOLP5UGJKR7W6VWUXBVTWGE3A","target":"record","payload":{"canonical_record":{"source":{"id":"1407.2831","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-10T15:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"6375697388e3a6c131f1cd299088075d91032d97136b297e9d2a556aa8ebea51","abstract_canon_sha256":"c2c95f5c5464ff388d5fef8bcfef66e0306515dcf930b8dc8d8b145f9b567a1f"},"schema_version":"1.0"},"canonical_sha256":"3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:25:18.838949Z","signature_b64":"6OjmzLyf+q0jLBoF8hW9ZF+80CEJ2ppBDJZC52I3CuqMKrBy4/IeXhIDdMZOheCPxpT2mnMnDGXrBxtXm3B9CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4","last_reissued_at":"2026-05-18T02:25:18.838596Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:25:18.838596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1407.2831","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:25:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Mzj/i6+7+ON79RX4P0rI9RR7+qzl+/8PDwNDYWTaIHkLLAEUwvRoCvFmuKKKzkLqu8XdL6CFyUAfUX3pjE59Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:18:12.940605Z"},"content_sha256":"42d56931aec9a0c0b8dd4ea0e00ab9b62fa9db6a9912f7c7785880fe6dfcd27c","schema_version":"1.0","event_id":"sha256:42d56931aec9a0c0b8dd4ea0e00ab9b62fa9db6a9912f7c7785880fe6dfcd27c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:HPOLP5UGJKR7W6VWUXBVTWGE3A","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mars Express measurements of surface albedo changes over 2004 - 2010","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Anouck Ody, Francesca Altieri, Joachim Audouard, Mathieu Vincendon","submitted_at":"2014-07-10T15:40:57Z","abstract_excerpt":"The pervasive Mars dust is continually transported between the surface and the atmosphere. When on the surface, dust increases the albedo of darker underlying rocks and regolith, which modifies climate energy balance and must be quantified. Remote observation of surface albedo absolute value and albedo change is however complicated by dust itself when lifted in the atmosphere. Here we present a method to calculate and map the bolometric solar hemispherical albedo of the Martian surface using the 2004 - 2010 OMEGA imaging spectrometer dataset. This method takes into account aerosols radiative t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2831","kind":"arxiv","version":2},"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":"2026-05-18T02:25:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"85XuxL0WUYHhNEiFpo4UkA5Og2eBUJVMWzyTitavPRpPXeXwMuIL25T6AJLrJLLLTsEeLKaYJjD+2J5ydo1jDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T11:18:12.940959Z"},"content_sha256":"e3d1c6731561cdfb4894d8ed652f4c0993a506a5f53d726f12c3472719e8e814","schema_version":"1.0","event_id":"sha256:e3d1c6731561cdfb4894d8ed652f4c0993a506a5f53d726f12c3472719e8e814"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A/bundle.json","state_url":"https://pith.science/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A/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":"2026-05-30T11:18:12Z","links":{"resolver":"https://pith.science/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A","bundle":"https://pith.science/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A/bundle.json","state":"https://pith.science/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HPOLP5UGJKR7W6VWUXBVTWGE3A/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:HPOLP5UGJKR7W6VWUXBVTWGE3A","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":"c2c95f5c5464ff388d5fef8bcfef66e0306515dcf930b8dc8d8b145f9b567a1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-10T15:40:57Z","title_canon_sha256":"6375697388e3a6c131f1cd299088075d91032d97136b297e9d2a556aa8ebea51"},"schema_version":"1.0","source":{"id":"1407.2831","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1407.2831","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"arxiv_version","alias_value":"1407.2831v2","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1407.2831","created_at":"2026-05-18T02:25:18Z"},{"alias_kind":"pith_short_12","alias_value":"HPOLP5UGJKR7","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_16","alias_value":"HPOLP5UGJKR7W6VW","created_at":"2026-05-18T12:28:30Z"},{"alias_kind":"pith_short_8","alias_value":"HPOLP5UG","created_at":"2026-05-18T12:28:30Z"}],"graph_snapshots":[{"event_id":"sha256:e3d1c6731561cdfb4894d8ed652f4c0993a506a5f53d726f12c3472719e8e814","target":"graph","created_at":"2026-05-18T02:25:18Z","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":"The pervasive Mars dust is continually transported between the surface and the atmosphere. When on the surface, dust increases the albedo of darker underlying rocks and regolith, which modifies climate energy balance and must be quantified. Remote observation of surface albedo absolute value and albedo change is however complicated by dust itself when lifted in the atmosphere. Here we present a method to calculate and map the bolometric solar hemispherical albedo of the Martian surface using the 2004 - 2010 OMEGA imaging spectrometer dataset. This method takes into account aerosols radiative t","authors_text":"Anouck Ody, Francesca Altieri, Joachim Audouard, Mathieu Vincendon","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-10T15:40:57Z","title":"Mars Express measurements of surface albedo changes over 2004 - 2010"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1407.2831","kind":"arxiv","version":2},"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":"sha256:42d56931aec9a0c0b8dd4ea0e00ab9b62fa9db6a9912f7c7785880fe6dfcd27c","target":"record","created_at":"2026-05-18T02:25:18Z","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":"c2c95f5c5464ff388d5fef8bcfef66e0306515dcf930b8dc8d8b145f9b567a1f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2014-07-10T15:40:57Z","title_canon_sha256":"6375697388e3a6c131f1cd299088075d91032d97136b297e9d2a556aa8ebea51"},"schema_version":"1.0","source":{"id":"1407.2831","kind":"arxiv","version":2}},"canonical_sha256":"3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"3bdcb7f6864aa3fb7ab6a5c359d8c4d8376facc8140df218baa25e6db92569c4","first_computed_at":"2026-05-18T02:25:18.838596Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:25:18.838596Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6OjmzLyf+q0jLBoF8hW9ZF+80CEJ2ppBDJZC52I3CuqMKrBy4/IeXhIDdMZOheCPxpT2mnMnDGXrBxtXm3B9CA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:25:18.838949Z","signed_message":"canonical_sha256_bytes"},"source_id":"1407.2831","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:42d56931aec9a0c0b8dd4ea0e00ab9b62fa9db6a9912f7c7785880fe6dfcd27c","sha256:e3d1c6731561cdfb4894d8ed652f4c0993a506a5f53d726f12c3472719e8e814"],"state_sha256":"0e9faf93f9e4c97c42070da37fc38a3e27119ff7f3120570975d14195841641e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8veBJQmz1hsTPdUs8RwPEDefQVfHf2vhhpgDhXpUvv9oIW7g+brZTYu8b1hPHmLbq5rHCrQjfdZ4b4euocB1AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T11:18:12.943004Z","bundle_sha256":"2270afc49265aa7266fbcb751eafc2ee6c5506335701b98d04f8005487a5f042"}}