{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:SK6YDKOUIYCCKYQEB674D35BZF","short_pith_number":"pith:SK6YDKOU","canonical_record":{"source":{"id":"2407.04140","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-04T20:02:07Z","cross_cats_sorted":[],"title_canon_sha256":"3172439f1ada5dfba6df9b8925f5259923886c1a97ad08939bea8db1cd7e1a08","abstract_canon_sha256":"e4c048988a6a1316c3b49420b3b88ec855f2beb1642f8ec3b28d97710908a8e8"},"schema_version":"1.0"},"canonical_sha256":"92bd81a9d446042562040fbfc1efa1c97e8227e16cddee5473604a975bdf9081","source":{"kind":"arxiv","id":"2407.04140","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04140","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04140v1","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04140","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"SK6YDKOUIYCC","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"pith_short_16","alias_value":"SK6YDKOUIYCCKYQE","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"pith_short_8","alias_value":"SK6YDKOU","created_at":"2026-07-05T08:40:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:SK6YDKOUIYCCKYQEB674D35BZF","target":"record","payload":{"canonical_record":{"source":{"id":"2407.04140","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-04T20:02:07Z","cross_cats_sorted":[],"title_canon_sha256":"3172439f1ada5dfba6df9b8925f5259923886c1a97ad08939bea8db1cd7e1a08","abstract_canon_sha256":"e4c048988a6a1316c3b49420b3b88ec855f2beb1642f8ec3b28d97710908a8e8"},"schema_version":"1.0"},"canonical_sha256":"92bd81a9d446042562040fbfc1efa1c97e8227e16cddee5473604a975bdf9081","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:40:29.772667Z","signature_b64":"34/O/RBRTniBgbJFpeT+t/DsmElJyibxF6CaLPAiWdF0vvfo78Us2Q2J7uhJflt9uo08pMSlYvBj0evaLO71Dg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"92bd81a9d446042562040fbfc1efa1c97e8227e16cddee5473604a975bdf9081","last_reissued_at":"2026-07-05T08:40:29.772271Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:40:29.772271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.04140","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":"2026-07-05T08:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mFmVToLhca3VrxsQy4G5ZL4wGr/DwmH81kvMLUoZ/IUAhX0nOnazqZgj0REVAnlcWWULarRYaiK0r+1Ofs0tCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T09:52:38.074491Z"},"content_sha256":"81ed574e4ed73d7feb7f836c49412a07f6973c03d75360cd18100c99f7699235","schema_version":"1.0","event_id":"sha256:81ed574e4ed73d7feb7f836c49412a07f6973c03d75360cd18100c99f7699235"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:SK6YDKOUIYCCKYQEB674D35BZF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"BlueWalker 3 Redux","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Aaron Worley, Anthony Mallama, Cees Bassa, Jay Respler, Richard E. Cole, Scott Harrington, Scott Tilley","submitted_at":"2024-07-04T20:02:07Z","abstract_excerpt":"The BlueWalker 3 satellite is now fainter than during the first months after deployment. The greatest improvement is that the average maximum luminosity near zenith has been reduced from magnitude 1.0 to 2.2. However, the spacecraft is still usually bright enough to interfere with astronomical research."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04140","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/2407.04140/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":"2026-07-05T08:40:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jpmuu6WIpM2uccPqGWwcNPG2wVvJGoF6A/pOCgHBzr2038bB8e2Rruh0VCohqdAjPiRIsD4tiv8G/VzbJ4qlBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-19T09:52:38.075032Z"},"content_sha256":"7671eeb322bbb7a2a5c3267b07cfa43e188dd9b87ddf6246ff114c702cd31619","schema_version":"1.0","event_id":"sha256:7671eeb322bbb7a2a5c3267b07cfa43e188dd9b87ddf6246ff114c702cd31619"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SK6YDKOUIYCCKYQEB674D35BZF/bundle.json","state_url":"https://pith.science/pith/SK6YDKOUIYCCKYQEB674D35BZF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SK6YDKOUIYCCKYQEB674D35BZF/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":"2026-08-19T09:52:38Z","links":{"resolver":"https://pith.science/pith/SK6YDKOUIYCCKYQEB674D35BZF","bundle":"https://pith.science/pith/SK6YDKOUIYCCKYQEB674D35BZF/bundle.json","state":"https://pith.science/pith/SK6YDKOUIYCCKYQEB674D35BZF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SK6YDKOUIYCCKYQEB674D35BZF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:SK6YDKOUIYCCKYQEB674D35BZF","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":"e4c048988a6a1316c3b49420b3b88ec855f2beb1642f8ec3b28d97710908a8e8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-04T20:02:07Z","title_canon_sha256":"3172439f1ada5dfba6df9b8925f5259923886c1a97ad08939bea8db1cd7e1a08"},"schema_version":"1.0","source":{"id":"2407.04140","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.04140","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"arxiv_version","alias_value":"2407.04140v1","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.04140","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"pith_short_12","alias_value":"SK6YDKOUIYCC","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"pith_short_16","alias_value":"SK6YDKOUIYCCKYQE","created_at":"2026-07-05T08:40:29Z"},{"alias_kind":"pith_short_8","alias_value":"SK6YDKOU","created_at":"2026-07-05T08:40:29Z"}],"graph_snapshots":[{"event_id":"sha256:7671eeb322bbb7a2a5c3267b07cfa43e188dd9b87ddf6246ff114c702cd31619","target":"graph","created_at":"2026-07-05T08:40:29Z","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/2407.04140/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The BlueWalker 3 satellite is now fainter than during the first months after deployment. The greatest improvement is that the average maximum luminosity near zenith has been reduced from magnitude 1.0 to 2.2. However, the spacecraft is still usually bright enough to interfere with astronomical research.","authors_text":"Aaron Worley, Anthony Mallama, Cees Bassa, Jay Respler, Richard E. Cole, Scott Harrington, Scott Tilley","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-04T20:02:07Z","title":"BlueWalker 3 Redux"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.04140","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":"sha256:81ed574e4ed73d7feb7f836c49412a07f6973c03d75360cd18100c99f7699235","target":"record","created_at":"2026-07-05T08:40:29Z","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":"e4c048988a6a1316c3b49420b3b88ec855f2beb1642f8ec3b28d97710908a8e8","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.IM","submitted_at":"2024-07-04T20:02:07Z","title_canon_sha256":"3172439f1ada5dfba6df9b8925f5259923886c1a97ad08939bea8db1cd7e1a08"},"schema_version":"1.0","source":{"id":"2407.04140","kind":"arxiv","version":1}},"canonical_sha256":"92bd81a9d446042562040fbfc1efa1c97e8227e16cddee5473604a975bdf9081","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"92bd81a9d446042562040fbfc1efa1c97e8227e16cddee5473604a975bdf9081","first_computed_at":"2026-07-05T08:40:29.772271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:40:29.772271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"34/O/RBRTniBgbJFpeT+t/DsmElJyibxF6CaLPAiWdF0vvfo78Us2Q2J7uhJflt9uo08pMSlYvBj0evaLO71Dg==","signature_status":"signed_v1","signed_at":"2026-07-05T08:40:29.772667Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.04140","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:81ed574e4ed73d7feb7f836c49412a07f6973c03d75360cd18100c99f7699235","sha256:7671eeb322bbb7a2a5c3267b07cfa43e188dd9b87ddf6246ff114c702cd31619"],"state_sha256":"812cac0b4b0b5eaa06021b2b2e97d3d477cf207fe9066ba4de15c35ea2ae27ff"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mUtBBrzDpA3D4AoYz6hCI27/wnKDYaTC7c91AF7ummTszB5Rkwxn+5JB9ILFFWiUUlxVPON9MVju2mkSz3PAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-19T09:52:38.080142Z","bundle_sha256":"dd8990bd0e0648ed1ab57b570b0f9186b6eaf950e3cb21dde17c5b400245d8a3"}}