{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:K4XD6STNCDOJSU6ZSAAAGUZ3QF","short_pith_number":"pith:K4XD6STN","canonical_record":{"source":{"id":"astro-ph/9802252","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-02-19T12:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"36cd4a01e6a391e01c6bc6f4a29c70d4b6a701f026c8ec8017917d35d29ea7dc","abstract_canon_sha256":"b141ff54d31cad61e61a76b8ed33770e7730c02f85bde7465c9a6da1c519bb4a"},"schema_version":"1.0"},"canonical_sha256":"572e3f4a6d10dc9953d9900003533b814f9c637aac8d4490fe8d5059ae8ef1db","source":{"kind":"arxiv","id":"astro-ph/9802252","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9802252","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9802252v2","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9802252","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"K4XD6STNCDOJ","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"K4XD6STNCDOJSU6Z","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"K4XD6STN","created_at":"2026-07-04T15:20:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:K4XD6STNCDOJSU6ZSAAAGUZ3QF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9802252","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1998-02-19T12:50:21Z","cross_cats_sorted":[],"title_canon_sha256":"36cd4a01e6a391e01c6bc6f4a29c70d4b6a701f026c8ec8017917d35d29ea7dc","abstract_canon_sha256":"b141ff54d31cad61e61a76b8ed33770e7730c02f85bde7465c9a6da1c519bb4a"},"schema_version":"1.0"},"canonical_sha256":"572e3f4a6d10dc9953d9900003533b814f9c637aac8d4490fe8d5059ae8ef1db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:20:15.767777Z","signature_b64":"wTqvjSbyLBCrwbTQ7VUg/FhgTMXVq461j2+cdfcgPC3HpYLYiEaBwiM6jAIrz96p934Qi0CLfFewMzJFCjIlBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"572e3f4a6d10dc9953d9900003533b814f9c637aac8d4490fe8d5059ae8ef1db","last_reissued_at":"2026-07-04T15:20:15.767376Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:20:15.767376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9802252","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":"2026-07-04T15:20:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fAtIEG6yTjgTk4H8z6MF/LR3X+nhYPSx7wjSG9KVXZckUyzwgL7RxIubG4Vhme+rE1GzDBMbZt5GWBb7TakKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T11:09:04.138685Z"},"content_sha256":"3d5c5031f2108ec108aefe9ad7903f39b71ff3005be77b25537937120dc47c31","schema_version":"1.0","event_id":"sha256:3d5c5031f2108ec108aefe9ad7903f39b71ff3005be77b25537937120dc47c31"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:K4XD6STNCDOJSU6ZSAAAGUZ3QF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Local Hubble Bubble from SNe Ia?","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Adam G. Riess (UCB), Avishai Dekel (HU), Idit Zehavi (HU), Robert P. Kirshner (CfA)","submitted_at":"1998-02-19T12:50:21Z","abstract_excerpt":"We analyze the monopole in the peculiar velocities of 44 Type Ia supernovae (SNe Ia) to test for a local void. The sample extends from 20 to 300 Mpc/h, with distances, deduced from light-curve shapes, accurate to ~6%. Assuming Omega_m=1 and Omega_lambda=0, the most significant deviation we find from the Hubble law is an outwards flow of (6.6+/-2.2)% inside a sphere of radius 70 Mpc/h as would be produced by a void of ~20% underdensity surrounded by a dense shell. This shell roughly coincides with the local Great Walls. Monte Carlo analyses, using Gaussian errors or bootstrap resampling, show t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9802252","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/9802252/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":"2026-07-04T15:20:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y7jiW6Stw3s8XauTSCCndll3+PGt4w4enrSaFlRjhO3gNY0fXyG5vnWXlCGjZN4QTzSezvBpCjK6WpnBW3SECQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T11:09:04.139205Z"},"content_sha256":"153e35ebbb3cb5f3fca2054d03fb5351e926d6af627d34ed83cbb775932f1a42","schema_version":"1.0","event_id":"sha256:153e35ebbb3cb5f3fca2054d03fb5351e926d6af627d34ed83cbb775932f1a42"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF/bundle.json","state_url":"https://pith.science/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF/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":"2026-08-21T11:09:04Z","links":{"resolver":"https://pith.science/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF","bundle":"https://pith.science/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF/bundle.json","state":"https://pith.science/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/K4XD6STNCDOJSU6ZSAAAGUZ3QF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:K4XD6STNCDOJSU6ZSAAAGUZ3QF","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":"b141ff54d31cad61e61a76b8ed33770e7730c02f85bde7465c9a6da1c519bb4a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-02-19T12:50:21Z","title_canon_sha256":"36cd4a01e6a391e01c6bc6f4a29c70d4b6a701f026c8ec8017917d35d29ea7dc"},"schema_version":"1.0","source":{"id":"astro-ph/9802252","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9802252","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9802252v2","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9802252","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"pith_short_12","alias_value":"K4XD6STNCDOJ","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"pith_short_16","alias_value":"K4XD6STNCDOJSU6Z","created_at":"2026-07-04T15:20:15Z"},{"alias_kind":"pith_short_8","alias_value":"K4XD6STN","created_at":"2026-07-04T15:20:15Z"}],"graph_snapshots":[{"event_id":"sha256:153e35ebbb3cb5f3fca2054d03fb5351e926d6af627d34ed83cbb775932f1a42","target":"graph","created_at":"2026-07-04T15:20:15Z","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/9802252/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We analyze the monopole in the peculiar velocities of 44 Type Ia supernovae (SNe Ia) to test for a local void. The sample extends from 20 to 300 Mpc/h, with distances, deduced from light-curve shapes, accurate to ~6%. Assuming Omega_m=1 and Omega_lambda=0, the most significant deviation we find from the Hubble law is an outwards flow of (6.6+/-2.2)% inside a sphere of radius 70 Mpc/h as would be produced by a void of ~20% underdensity surrounded by a dense shell. This shell roughly coincides with the local Great Walls. Monte Carlo analyses, using Gaussian errors or bootstrap resampling, show t","authors_text":"Adam G. Riess (UCB), Avishai Dekel (HU), Idit Zehavi (HU), Robert P. Kirshner (CfA)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1998-02-19T12:50:21Z","title":"A Local Hubble Bubble from SNe Ia?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9802252","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":"sha256:3d5c5031f2108ec108aefe9ad7903f39b71ff3005be77b25537937120dc47c31","target":"record","created_at":"2026-07-04T15:20:15Z","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":"b141ff54d31cad61e61a76b8ed33770e7730c02f85bde7465c9a6da1c519bb4a","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1998-02-19T12:50:21Z","title_canon_sha256":"36cd4a01e6a391e01c6bc6f4a29c70d4b6a701f026c8ec8017917d35d29ea7dc"},"schema_version":"1.0","source":{"id":"astro-ph/9802252","kind":"arxiv","version":2}},"canonical_sha256":"572e3f4a6d10dc9953d9900003533b814f9c637aac8d4490fe8d5059ae8ef1db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"572e3f4a6d10dc9953d9900003533b814f9c637aac8d4490fe8d5059ae8ef1db","first_computed_at":"2026-07-04T15:20:15.767376Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:20:15.767376Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wTqvjSbyLBCrwbTQ7VUg/FhgTMXVq461j2+cdfcgPC3HpYLYiEaBwiM6jAIrz96p934Qi0CLfFewMzJFCjIlBA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:20:15.767777Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9802252","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3d5c5031f2108ec108aefe9ad7903f39b71ff3005be77b25537937120dc47c31","sha256:153e35ebbb3cb5f3fca2054d03fb5351e926d6af627d34ed83cbb775932f1a42"],"state_sha256":"af69b8c854c3060223b12b3c836d2a9e5825fb6826c1d415fe0b0bab3df8bd6f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CBjufoiEyRXy8+IQkDIFH0OEBJROqKOseK3XMdywdUXTz8MeQOoBBA5b+2dKv1xrVOFoKgt86RgTIIBAAkX6AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T11:09:04.143456Z","bundle_sha256":"46269a589e8ae0160493381d7153f2c987da75c65159e88e77e1f24a1cb84c7e"}}