{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:VAJWE24VFDB53M6OIFEOHFLGZ4","short_pith_number":"pith:VAJWE24V","canonical_record":{"source":{"id":"astro-ph/0011090","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-03T16:34:34Z","cross_cats_sorted":[],"title_canon_sha256":"adf0355ffb64bfd5a4955a53f105c5a05fdc46211507567ca81a39430bf82d1d","abstract_canon_sha256":"36fb020f5fab610cd3d5201403647bb95aa1949b0d28ab8352d4b97db5771dbe"},"schema_version":"1.0"},"canonical_sha256":"a813626b9528c3ddb3ce4148e39566cf001b56415e1b263909c4fd5a3539f968","source":{"kind":"arxiv","id":"astro-ph/0011090","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0011090","created_at":"2026-05-18T01:07:46Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0011090v1","created_at":"2026-05-18T01:07:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0011090","created_at":"2026-05-18T01:07:46Z"},{"alias_kind":"pith_short_12","alias_value":"VAJWE24VFDB5","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"VAJWE24VFDB53M6O","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"VAJWE24V","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:VAJWE24VFDB53M6OIFEOHFLGZ4","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0011090","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-03T16:34:34Z","cross_cats_sorted":[],"title_canon_sha256":"adf0355ffb64bfd5a4955a53f105c5a05fdc46211507567ca81a39430bf82d1d","abstract_canon_sha256":"36fb020f5fab610cd3d5201403647bb95aa1949b0d28ab8352d4b97db5771dbe"},"schema_version":"1.0"},"canonical_sha256":"a813626b9528c3ddb3ce4148e39566cf001b56415e1b263909c4fd5a3539f968","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:46.353514Z","signature_b64":"vuTPQzfQK/DfYVpbgbVWCFP5UuNv0TX5fHKE+dVE/n+tTUq+QRZG4roudJWXZp7zdAr1YUsxg4Vz4h1g56/mAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a813626b9528c3ddb3ce4148e39566cf001b56415e1b263909c4fd5a3539f968","last_reissued_at":"2026-05-18T01:07:46.352901Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:46.352901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0011090","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":"2026-05-18T01:07:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eaQMwXNPJ8fPegPiisZ7VlX1zu9Uw9M8L+7WnrgCtpeAjtskdJo48XKFTvW1I35+foBeaSYOCSeh67jyoXIGAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T05:50:38.055245Z"},"content_sha256":"056da9cedea68fadb49ae7fa2825187b0a8ea279a9da44a27de92e4f6678fc85","schema_version":"1.0","event_id":"sha256:056da9cedea68fadb49ae7fa2825187b0a8ea279a9da44a27de92e4f6678fc85"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:VAJWE24VFDB53M6OIFEOHFLGZ4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"What May We Learn from Multi-wavelength Observations of Active Galactic Nuclei","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Thierry J.-L. Courvoisier","submitted_at":"2000-11-03T16:34:34Z","abstract_excerpt":"We discuss how several of the questions that remain unclear on the physics of Active Galactic Nuclei may find elements of answers when using in the coming years the extraordinary set of instruments that will be flying simultaneously to observe in all bands of the electromagnetic spectrum.\n The choice of questions mentioned here is personal and not exhaustive."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0011090","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":"2026-05-18T01:07:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"inCSt7ygtiHVBhOL+8TDdwbtH3xABtXruZZ7tiaeqJRAB49kKiLdbelsaNuqoWWMV6zAdm7r+KxW95ShwLtfBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T05:50:38.056301Z"},"content_sha256":"653b64541efec936a254c2edc2e304ad53c982665bff8be56d5aa94b18059902","schema_version":"1.0","event_id":"sha256:653b64541efec936a254c2edc2e304ad53c982665bff8be56d5aa94b18059902"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VAJWE24VFDB53M6OIFEOHFLGZ4/bundle.json","state_url":"https://pith.science/pith/VAJWE24VFDB53M6OIFEOHFLGZ4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VAJWE24VFDB53M6OIFEOHFLGZ4/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":"2026-06-06T05:50:38Z","links":{"resolver":"https://pith.science/pith/VAJWE24VFDB53M6OIFEOHFLGZ4","bundle":"https://pith.science/pith/VAJWE24VFDB53M6OIFEOHFLGZ4/bundle.json","state":"https://pith.science/pith/VAJWE24VFDB53M6OIFEOHFLGZ4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VAJWE24VFDB53M6OIFEOHFLGZ4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:VAJWE24VFDB53M6OIFEOHFLGZ4","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":"36fb020f5fab610cd3d5201403647bb95aa1949b0d28ab8352d4b97db5771dbe","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-03T16:34:34Z","title_canon_sha256":"adf0355ffb64bfd5a4955a53f105c5a05fdc46211507567ca81a39430bf82d1d"},"schema_version":"1.0","source":{"id":"astro-ph/0011090","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0011090","created_at":"2026-05-18T01:07:46Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0011090v1","created_at":"2026-05-18T01:07:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0011090","created_at":"2026-05-18T01:07:46Z"},{"alias_kind":"pith_short_12","alias_value":"VAJWE24VFDB5","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"VAJWE24VFDB53M6O","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"VAJWE24V","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:653b64541efec936a254c2edc2e304ad53c982665bff8be56d5aa94b18059902","target":"graph","created_at":"2026-05-18T01:07:46Z","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 discuss how several of the questions that remain unclear on the physics of Active Galactic Nuclei may find elements of answers when using in the coming years the extraordinary set of instruments that will be flying simultaneously to observe in all bands of the electromagnetic spectrum.\n The choice of questions mentioned here is personal and not exhaustive.","authors_text":"Thierry J.-L. Courvoisier","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-11-03T16:34:34Z","title":"What May We Learn from Multi-wavelength Observations of Active Galactic Nuclei"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0011090","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":"sha256:056da9cedea68fadb49ae7fa2825187b0a8ea279a9da44a27de92e4f6678fc85","target":"record","created_at":"2026-05-18T01:07:46Z","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":"36fb020f5fab610cd3d5201403647bb95aa1949b0d28ab8352d4b97db5771dbe","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-11-03T16:34:34Z","title_canon_sha256":"adf0355ffb64bfd5a4955a53f105c5a05fdc46211507567ca81a39430bf82d1d"},"schema_version":"1.0","source":{"id":"astro-ph/0011090","kind":"arxiv","version":1}},"canonical_sha256":"a813626b9528c3ddb3ce4148e39566cf001b56415e1b263909c4fd5a3539f968","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a813626b9528c3ddb3ce4148e39566cf001b56415e1b263909c4fd5a3539f968","first_computed_at":"2026-05-18T01:07:46.352901Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:46.352901Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vuTPQzfQK/DfYVpbgbVWCFP5UuNv0TX5fHKE+dVE/n+tTUq+QRZG4roudJWXZp7zdAr1YUsxg4Vz4h1g56/mAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:46.353514Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0011090","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:056da9cedea68fadb49ae7fa2825187b0a8ea279a9da44a27de92e4f6678fc85","sha256:653b64541efec936a254c2edc2e304ad53c982665bff8be56d5aa94b18059902"],"state_sha256":"c12c0f4addc654010825a9db20130890d7b566e707ec91a4cb6d5d5c87c649f3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yqVyjO+Of7Njg0oXxoANfHPd2L+xVtPK03nAZ8tJ4R70Y6D3FiH+ZLXiLZrWFadWWGKz4B1zbpZdWT5o5hTLCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T05:50:38.061694Z","bundle_sha256":"9a36e004700df6f8ae7f0ef564541537daf6ef95ed6323494d4cc28fd1ccbe04"}}