{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:655NSIVYR6TZRSSZ4CUDMT6TXL","short_pith_number":"pith:655NSIVY","canonical_record":{"source":{"id":"1302.2369","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-10T21:21:48Z","cross_cats_sorted":[],"title_canon_sha256":"64d2cff6647b6059794da716ace82d6d30a323b348f5900a1980698fa3610580","abstract_canon_sha256":"c1c8dbcccad677ea7c3481e04481d4493979d0c6ea15d39dbf87a332877fb48e"},"schema_version":"1.0"},"canonical_sha256":"f77ad922b88fa798ca59e0a8364fd3bae4202428634315707e826bc8a4ef9f25","source":{"kind":"arxiv","id":"1302.2369","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2369","created_at":"2026-05-18T01:51:42Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2369v2","created_at":"2026-05-18T01:51:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2369","created_at":"2026-05-18T01:51:42Z"},{"alias_kind":"pith_short_12","alias_value":"655NSIVYR6TZ","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"655NSIVYR6TZRSSZ","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"655NSIVY","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:655NSIVYR6TZRSSZ4CUDMT6TXL","target":"record","payload":{"canonical_record":{"source":{"id":"1302.2369","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-10T21:21:48Z","cross_cats_sorted":[],"title_canon_sha256":"64d2cff6647b6059794da716ace82d6d30a323b348f5900a1980698fa3610580","abstract_canon_sha256":"c1c8dbcccad677ea7c3481e04481d4493979d0c6ea15d39dbf87a332877fb48e"},"schema_version":"1.0"},"canonical_sha256":"f77ad922b88fa798ca59e0a8364fd3bae4202428634315707e826bc8a4ef9f25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:51:42.926946Z","signature_b64":"8Dj04YdfaXkxeMffccm6sjounK9NOI/Tp/cCvQB0LAmpxbA8LHfOAF7QmrxvMJHiVsJyZQcUh/BErfnSHNF1BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f77ad922b88fa798ca59e0a8364fd3bae4202428634315707e826bc8a4ef9f25","last_reissued_at":"2026-05-18T01:51:42.926516Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:51:42.926516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.2369","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":"2026-05-18T01:51:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rLlwq3kT496JR+woSy9C795X4X4kGE16JwgRtyCATOZauZ5xnBMcPQrwCh22x887737ee/trHPNHQ/mhk/3fAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T11:51:29.051506Z"},"content_sha256":"0ece53283bb07fd140f70d665c9bb074e998f06dd3fbe3260c7f872958b53f77","schema_version":"1.0","event_id":"sha256:0ece53283bb07fd140f70d665c9bb074e998f06dd3fbe3260c7f872958b53f77"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:655NSIVYR6TZRSSZ4CUDMT6TXL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Low-Density Structures in the Local Universe. II. Nearby Cosmic Voids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Elyiv, D. Makarov, I. Karachentsev, O. Melnyk, V. Karachentseva","submitted_at":"2013-02-10T21:21:48Z","abstract_excerpt":"We present the results of the search for spherical volumes containing no galaxies with luminosities brighter than the Magellanic Clouds in the Local Supercluster and its vicinity. Within a distance of 40 Mpc from us, 89 cosmic voids were discovered with the diameters of 24 to 12 Mpc, containing no galaxies with absolute magnitudes brighter than M_K < -18.4. A list of these voids and the sky distribution maps are given. It was found that 93% of spherical voids overlap, forming three more extended percolated voids (hypervoids). The largest of them, HV1, has 56 initial spherical cells and extends"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2369","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":"2026-05-18T01:51:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vA9Fn5LsCx9/AC3AsgHnMF41KR/SKLK9iRT713J75sbyCv4D5LbI1pr3mxPrPL3epfUQJflYqI+CvYuWQB7XDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-01T11:51:29.052270Z"},"content_sha256":"3c5b3f7ee2a2b62e210e1654292eae13a12b10663bee0ebdbe0779debee45c3d","schema_version":"1.0","event_id":"sha256:3c5b3f7ee2a2b62e210e1654292eae13a12b10663bee0ebdbe0779debee45c3d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/655NSIVYR6TZRSSZ4CUDMT6TXL/bundle.json","state_url":"https://pith.science/pith/655NSIVYR6TZRSSZ4CUDMT6TXL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/655NSIVYR6TZRSSZ4CUDMT6TXL/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":"2026-07-01T11:51:29Z","links":{"resolver":"https://pith.science/pith/655NSIVYR6TZRSSZ4CUDMT6TXL","bundle":"https://pith.science/pith/655NSIVYR6TZRSSZ4CUDMT6TXL/bundle.json","state":"https://pith.science/pith/655NSIVYR6TZRSSZ4CUDMT6TXL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/655NSIVYR6TZRSSZ4CUDMT6TXL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:655NSIVYR6TZRSSZ4CUDMT6TXL","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":"c1c8dbcccad677ea7c3481e04481d4493979d0c6ea15d39dbf87a332877fb48e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-10T21:21:48Z","title_canon_sha256":"64d2cff6647b6059794da716ace82d6d30a323b348f5900a1980698fa3610580"},"schema_version":"1.0","source":{"id":"1302.2369","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.2369","created_at":"2026-05-18T01:51:42Z"},{"alias_kind":"arxiv_version","alias_value":"1302.2369v2","created_at":"2026-05-18T01:51:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.2369","created_at":"2026-05-18T01:51:42Z"},{"alias_kind":"pith_short_12","alias_value":"655NSIVYR6TZ","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"655NSIVYR6TZRSSZ","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"655NSIVY","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:3c5b3f7ee2a2b62e210e1654292eae13a12b10663bee0ebdbe0779debee45c3d","target":"graph","created_at":"2026-05-18T01:51:42Z","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 present the results of the search for spherical volumes containing no galaxies with luminosities brighter than the Magellanic Clouds in the Local Supercluster and its vicinity. Within a distance of 40 Mpc from us, 89 cosmic voids were discovered with the diameters of 24 to 12 Mpc, containing no galaxies with absolute magnitudes brighter than M_K < -18.4. A list of these voids and the sky distribution maps are given. It was found that 93% of spherical voids overlap, forming three more extended percolated voids (hypervoids). The largest of them, HV1, has 56 initial spherical cells and extends","authors_text":"A. Elyiv, D. Makarov, I. Karachentsev, O. Melnyk, V. Karachentseva","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-10T21:21:48Z","title":"Low-Density Structures in the Local Universe. II. Nearby Cosmic Voids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.2369","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":"sha256:0ece53283bb07fd140f70d665c9bb074e998f06dd3fbe3260c7f872958b53f77","target":"record","created_at":"2026-05-18T01:51:42Z","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":"c1c8dbcccad677ea7c3481e04481d4493979d0c6ea15d39dbf87a332877fb48e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2013-02-10T21:21:48Z","title_canon_sha256":"64d2cff6647b6059794da716ace82d6d30a323b348f5900a1980698fa3610580"},"schema_version":"1.0","source":{"id":"1302.2369","kind":"arxiv","version":2}},"canonical_sha256":"f77ad922b88fa798ca59e0a8364fd3bae4202428634315707e826bc8a4ef9f25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f77ad922b88fa798ca59e0a8364fd3bae4202428634315707e826bc8a4ef9f25","first_computed_at":"2026-05-18T01:51:42.926516Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:51:42.926516Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8Dj04YdfaXkxeMffccm6sjounK9NOI/Tp/cCvQB0LAmpxbA8LHfOAF7QmrxvMJHiVsJyZQcUh/BErfnSHNF1BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:51:42.926946Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.2369","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ece53283bb07fd140f70d665c9bb074e998f06dd3fbe3260c7f872958b53f77","sha256:3c5b3f7ee2a2b62e210e1654292eae13a12b10663bee0ebdbe0779debee45c3d"],"state_sha256":"17c8c7b38c479d64408fb3ad8e852ea50cb67c27629304ba65a698699b4ee233"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GhVASL6SWZczSypFZWUb38uN54yXkI+lRMhGut+biTKiIPe6S/HZp66b9JXhw2gVqaxwVJ+RTZKm6OS/kkY3AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-01T11:51:29.055219Z","bundle_sha256":"844701d7227b115fb1b923c9c38a47b2d36bd1ffd262045a8e9012f108c4a1bd"}}