{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:F3KKNGSTCD5JWLWHQ4QPGO5WMQ","short_pith_number":"pith:F3KKNGST","canonical_record":{"source":{"id":"astro-ph/0506115","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T16:00:18Z","cross_cats_sorted":[],"title_canon_sha256":"ecba318a9f4941f961942d75ded8de7298013dbb05a557809fc8b526893ba5a5","abstract_canon_sha256":"d0b2447293dd64d708fc76786e2eac7af364f430f0bf2a213281c7abd06050f7"},"schema_version":"1.0"},"canonical_sha256":"2ed4a69a5310fa9b2ec78720f33bb6641433d1bc6fc3c8f85392f053b5833ca1","source":{"kind":"arxiv","id":"astro-ph/0506115","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0506115","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0506115v1","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0506115","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"pith_short_12","alias_value":"F3KKNGSTCD5J","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"pith_short_16","alias_value":"F3KKNGSTCD5JWLWH","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"pith_short_8","alias_value":"F3KKNGST","created_at":"2026-07-04T16:52:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:F3KKNGSTCD5JWLWHQ4QPGO5WMQ","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0506115","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T16:00:18Z","cross_cats_sorted":[],"title_canon_sha256":"ecba318a9f4941f961942d75ded8de7298013dbb05a557809fc8b526893ba5a5","abstract_canon_sha256":"d0b2447293dd64d708fc76786e2eac7af364f430f0bf2a213281c7abd06050f7"},"schema_version":"1.0"},"canonical_sha256":"2ed4a69a5310fa9b2ec78720f33bb6641433d1bc6fc3c8f85392f053b5833ca1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:52:30.165835Z","signature_b64":"wm+BqJBGybEGUymrwAF/e3dbl88OTec+rPjIdZ29LFz2FpU/ab4/am46u4Nk6tKMOx0osrf4qW9dt6DNvkB2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2ed4a69a5310fa9b2ec78720f33bb6641433d1bc6fc3c8f85392f053b5833ca1","last_reissued_at":"2026-07-04T16:52:30.165430Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:52:30.165430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0506115","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":"2026-07-04T16:52:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Oxf/QFCYKG1oq8g6Ij497YTRPqO8pj2U3rZnqE8nhJ65bwY1OAJqLN7r4yJ7NBaXVnicxToOfvTcrim7lhM+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-29T13:44:55.141906Z"},"content_sha256":"8887f3e303ab49966fff10b54751c098036c238fc2f5273138f53e89f62cc178","schema_version":"1.0","event_id":"sha256:8887f3e303ab49966fff10b54751c098036c238fc2f5273138f53e89f62cc178"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:F3KKNGSTCD5JWLWHQ4QPGO5WMQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On quasar host galaxies as tests of non-cosmological redshifts","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. Zackrisson","submitted_at":"2005-06-06T16:00:18Z","abstract_excerpt":"Despite a general consensus in the astronomical community that all quasars are located at the distances implied by their redshifts, a number of observations still challenge this interpretation, possibly indicating that some subpopulation of quasars may harbour significant redshift components not related to the expansion of the universe. It has been suggested that these objects may have been ejected from local galaxies and are likely to evolve into new galaxies themselves. Here, a test of such exotic scenarios is proposed, based on the spectral energy distribution of the galaxies hosting quasar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0506115","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/astro-ph/0506115/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":"2026-07-04T16:52:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QUoN+9uPdAM3pWd4y4Oe0DoUMKazRxmc9SNUfAfVnpDWxLT0lBIf9d0KeG6tz03zHNC1uS21qI6r03HfYrClDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-29T13:44:55.142282Z"},"content_sha256":"39a955458a1ee28465c52fcfaee8dc9511a712b34a28dd134df115ced09bce9d","schema_version":"1.0","event_id":"sha256:39a955458a1ee28465c52fcfaee8dc9511a712b34a28dd134df115ced09bce9d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ/bundle.json","state_url":"https://pith.science/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ/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":"2026-07-29T13:44:55Z","links":{"resolver":"https://pith.science/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ","bundle":"https://pith.science/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ/bundle.json","state":"https://pith.science/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F3KKNGSTCD5JWLWHQ4QPGO5WMQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:F3KKNGSTCD5JWLWHQ4QPGO5WMQ","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":"d0b2447293dd64d708fc76786e2eac7af364f430f0bf2a213281c7abd06050f7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T16:00:18Z","title_canon_sha256":"ecba318a9f4941f961942d75ded8de7298013dbb05a557809fc8b526893ba5a5"},"schema_version":"1.0","source":{"id":"astro-ph/0506115","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0506115","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0506115v1","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0506115","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"pith_short_12","alias_value":"F3KKNGSTCD5J","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"pith_short_16","alias_value":"F3KKNGSTCD5JWLWH","created_at":"2026-07-04T16:52:30Z"},{"alias_kind":"pith_short_8","alias_value":"F3KKNGST","created_at":"2026-07-04T16:52:30Z"}],"graph_snapshots":[{"event_id":"sha256:39a955458a1ee28465c52fcfaee8dc9511a712b34a28dd134df115ced09bce9d","target":"graph","created_at":"2026-07-04T16:52:30Z","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/astro-ph/0506115/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Despite a general consensus in the astronomical community that all quasars are located at the distances implied by their redshifts, a number of observations still challenge this interpretation, possibly indicating that some subpopulation of quasars may harbour significant redshift components not related to the expansion of the universe. It has been suggested that these objects may have been ejected from local galaxies and are likely to evolve into new galaxies themselves. Here, a test of such exotic scenarios is proposed, based on the spectral energy distribution of the galaxies hosting quasar","authors_text":"E. Zackrisson","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T16:00:18Z","title":"On quasar host galaxies as tests of non-cosmological redshifts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0506115","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":"sha256:8887f3e303ab49966fff10b54751c098036c238fc2f5273138f53e89f62cc178","target":"record","created_at":"2026-07-04T16:52:30Z","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":"d0b2447293dd64d708fc76786e2eac7af364f430f0bf2a213281c7abd06050f7","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-06-06T16:00:18Z","title_canon_sha256":"ecba318a9f4941f961942d75ded8de7298013dbb05a557809fc8b526893ba5a5"},"schema_version":"1.0","source":{"id":"astro-ph/0506115","kind":"arxiv","version":1}},"canonical_sha256":"2ed4a69a5310fa9b2ec78720f33bb6641433d1bc6fc3c8f85392f053b5833ca1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2ed4a69a5310fa9b2ec78720f33bb6641433d1bc6fc3c8f85392f053b5833ca1","first_computed_at":"2026-07-04T16:52:30.165430Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:52:30.165430Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wm+BqJBGybEGUymrwAF/e3dbl88OTec+rPjIdZ29LFz2FpU/ab4/am46u4Nk6tKMOx0osrf4qW9dt6DNvkB2DA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:52:30.165835Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0506115","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8887f3e303ab49966fff10b54751c098036c238fc2f5273138f53e89f62cc178","sha256:39a955458a1ee28465c52fcfaee8dc9511a712b34a28dd134df115ced09bce9d"],"state_sha256":"cf6fbff88aa75caf1bc1466f6eb41ce20b564370cf42a910c38bea9d7bf3ec75"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kC/UW5SlTOssfMPEA2HVLbBha5CEmZGQppy2tlZlBvhu7vhBCn1jTnbOY8xv5N9V4PMhu19l+cHRq4DeisweDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-29T13:44:55.144757Z","bundle_sha256":"e8f66adeb23a550d9b07575dfc775deb8a17edbb3830e2666c5b361151a11260"}}