{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:PNLGLZJWKBIKSORJUA2W6VO2ZH","short_pith_number":"pith:PNLGLZJW","canonical_record":{"source":{"id":"1901.05981","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-17T19:01:14Z","cross_cats_sorted":[],"title_canon_sha256":"8de278b2836632c38fcc4f09785f1639580a081c5c4a355b51e07103a3266b97","abstract_canon_sha256":"f06124fb7ebf4b021fee95216d16bf3c1631863389792fb928fb77094f4ed15a"},"schema_version":"1.0"},"canonical_sha256":"7b5665e5365050a93a29a0356f55dac9ef36e4771ad175c569ebd9e798c8f400","source":{"kind":"arxiv","id":"1901.05981","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05981","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05981v2","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05981","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"PNLGLZJWKBIK","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PNLGLZJWKBIKSORJ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PNLGLZJW","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:PNLGLZJWKBIKSORJUA2W6VO2ZH","target":"record","payload":{"canonical_record":{"source":{"id":"1901.05981","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-17T19:01:14Z","cross_cats_sorted":[],"title_canon_sha256":"8de278b2836632c38fcc4f09785f1639580a081c5c4a355b51e07103a3266b97","abstract_canon_sha256":"f06124fb7ebf4b021fee95216d16bf3c1631863389792fb928fb77094f4ed15a"},"schema_version":"1.0"},"canonical_sha256":"7b5665e5365050a93a29a0356f55dac9ef36e4771ad175c569ebd9e798c8f400","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:38.434297Z","signature_b64":"WnzI5crfaDLMHjNuLyjtLjiyeiq7Boai1+Nva+E47KE86GL9OMC0ufiTxCTih+qO3LEbVy7Vg9vprZKtdRqdDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b5665e5365050a93a29a0356f55dac9ef36e4771ad175c569ebd9e798c8f400","last_reissued_at":"2026-05-17T23:52:38.433609Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:38.433609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1901.05981","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":"2026-05-17T23:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y79PYpZwY6+9dECIGFFy8oRw4Lm4O4doeyhg7ShhkRbGlb4fGDOE6BgULvu+82YWIJ/h7kmgWpWpSBUQ3GrSCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:01:52.433490Z"},"content_sha256":"71f9cdb67d7f2d4dbdbb9371af5d0ea7aa1d4d0a66a5d289a3ffc53db0b578fc","schema_version":"1.0","event_id":"sha256:71f9cdb67d7f2d4dbdbb9371af5d0ea7aa1d4d0a66a5d289a3ffc53db0b578fc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:PNLGLZJWKBIKSORJUA2W6VO2ZH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Distance and Motion of the Maffei Group","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Gagandeep S. Anand, Igor D. Karachentsev, Luca Rizzi, R. Brent Tully","submitted_at":"2019-01-17T19:01:14Z","abstract_excerpt":"It has recently been suggested that the nearby galaxies Maffei 1 and 2 are further in distance than previously thought, such that they no longer are members of the same galaxy group as IC 342. We reanalyze near-infrared photometry from the Hubble Space Telescope, and find a distance to Maffei 2 of $5.73\\pm0.40$ Mpc. With this distance, the Maffei Group lies 2.5 Mpc behind the IC 342 Group and has a peculiar velocity toward the Local Group of $-128\\pm33$ km/s. The negative peculiar velocities of both of these distinct galaxy groups are likely the manifestation of void expansion from the directi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05981","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":"2026-05-17T23:52:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2swRJwd21HV3yo8N+eNMqNdA3tA/UryUloxzGP0m8Yzrnk0RVTvVnnby6cZvV7pbaM8e3VDiP0Wkmxla9g6dDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:01:52.433828Z"},"content_sha256":"c8e1f12dba6e33db815ef4ed10f483c965784633478921f0bb77177bf29cdb99","schema_version":"1.0","event_id":"sha256:c8e1f12dba6e33db815ef4ed10f483c965784633478921f0bb77177bf29cdb99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH/bundle.json","state_url":"https://pith.science/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH/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":"2026-05-28T07:01:52Z","links":{"resolver":"https://pith.science/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH","bundle":"https://pith.science/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH/bundle.json","state":"https://pith.science/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PNLGLZJWKBIKSORJUA2W6VO2ZH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:PNLGLZJWKBIKSORJUA2W6VO2ZH","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":"f06124fb7ebf4b021fee95216d16bf3c1631863389792fb928fb77094f4ed15a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-17T19:01:14Z","title_canon_sha256":"8de278b2836632c38fcc4f09785f1639580a081c5c4a355b51e07103a3266b97"},"schema_version":"1.0","source":{"id":"1901.05981","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1901.05981","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"arxiv_version","alias_value":"1901.05981v2","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.05981","created_at":"2026-05-17T23:52:38Z"},{"alias_kind":"pith_short_12","alias_value":"PNLGLZJWKBIK","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"PNLGLZJWKBIKSORJ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"PNLGLZJW","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:c8e1f12dba6e33db815ef4ed10f483c965784633478921f0bb77177bf29cdb99","target":"graph","created_at":"2026-05-17T23:52:38Z","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":"It has recently been suggested that the nearby galaxies Maffei 1 and 2 are further in distance than previously thought, such that they no longer are members of the same galaxy group as IC 342. We reanalyze near-infrared photometry from the Hubble Space Telescope, and find a distance to Maffei 2 of $5.73\\pm0.40$ Mpc. With this distance, the Maffei Group lies 2.5 Mpc behind the IC 342 Group and has a peculiar velocity toward the Local Group of $-128\\pm33$ km/s. The negative peculiar velocities of both of these distinct galaxy groups are likely the manifestation of void expansion from the directi","authors_text":"Gagandeep S. Anand, Igor D. Karachentsev, Luca Rizzi, R. Brent Tully","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-17T19:01:14Z","title":"The Distance and Motion of the Maffei Group"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.05981","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":"sha256:71f9cdb67d7f2d4dbdbb9371af5d0ea7aa1d4d0a66a5d289a3ffc53db0b578fc","target":"record","created_at":"2026-05-17T23:52:38Z","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":"f06124fb7ebf4b021fee95216d16bf3c1631863389792fb928fb77094f4ed15a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-01-17T19:01:14Z","title_canon_sha256":"8de278b2836632c38fcc4f09785f1639580a081c5c4a355b51e07103a3266b97"},"schema_version":"1.0","source":{"id":"1901.05981","kind":"arxiv","version":2}},"canonical_sha256":"7b5665e5365050a93a29a0356f55dac9ef36e4771ad175c569ebd9e798c8f400","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b5665e5365050a93a29a0356f55dac9ef36e4771ad175c569ebd9e798c8f400","first_computed_at":"2026-05-17T23:52:38.433609Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:38.433609Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WnzI5crfaDLMHjNuLyjtLjiyeiq7Boai1+Nva+E47KE86GL9OMC0ufiTxCTih+qO3LEbVy7Vg9vprZKtdRqdDw==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:38.434297Z","signed_message":"canonical_sha256_bytes"},"source_id":"1901.05981","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:71f9cdb67d7f2d4dbdbb9371af5d0ea7aa1d4d0a66a5d289a3ffc53db0b578fc","sha256:c8e1f12dba6e33db815ef4ed10f483c965784633478921f0bb77177bf29cdb99"],"state_sha256":"81c93c85124c1f75ec6ae8f71bf3ca9cd9b46025251ff2075a26119eb97632da"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sHQXOkRwfXjvoTMRMUNdy6GADDvlhVCD9LNO6xX3TxFdLW6z7CwmUFZNtv/gVeMUBjQcxhsmwkt9e9TeuT4BCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:01:52.435771Z","bundle_sha256":"c41c6dc3b99acde46bb659281c66ec7efa68f767ecdb5cf8945e140e31fea48f"}}