{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:I4PJFZ6EUNTKLRZ2EX767O4FMG","short_pith_number":"pith:I4PJFZ6E","canonical_record":{"source":{"id":"astro-ph/0311260","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-11T21:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"4c1047212c1492c90bb552e057af975450621d3323d79e8b450cb1fbd5f60b77","abstract_canon_sha256":"eb64b15f5a17e84789cf36efefa957a91b2d3d18b4789a6cb13d9931ba82e82e"},"schema_version":"1.0"},"canonical_sha256":"471e92e7c4a366a5c73a25ffefbb8561920b4248c23fb4f4903432ad27416d34","source":{"kind":"arxiv","id":"astro-ph/0311260","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0311260","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0311260v1","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0311260","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"I4PJFZ6EUNTK","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"pith_short_16","alias_value":"I4PJFZ6EUNTKLRZ2","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"pith_short_8","alias_value":"I4PJFZ6E","created_at":"2026-07-04T15:32:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:I4PJFZ6EUNTKLRZ2EX767O4FMG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0311260","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-11T21:05:13Z","cross_cats_sorted":[],"title_canon_sha256":"4c1047212c1492c90bb552e057af975450621d3323d79e8b450cb1fbd5f60b77","abstract_canon_sha256":"eb64b15f5a17e84789cf36efefa957a91b2d3d18b4789a6cb13d9931ba82e82e"},"schema_version":"1.0"},"canonical_sha256":"471e92e7c4a366a5c73a25ffefbb8561920b4248c23fb4f4903432ad27416d34","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:32:04.120395Z","signature_b64":"iFqY85tkm6OQlblv3WwSDqrzc28chb4Pbt6OaODtDZ7QFKtYWwxTr6NhMmayaRMnfPJ2mP0qGCN+6J6XVP3pBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"471e92e7c4a366a5c73a25ffefbb8561920b4248c23fb4f4903432ad27416d34","last_reissued_at":"2026-07-04T15:32:04.119980Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:32:04.119980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0311260","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":"2026-07-04T15:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hCnTMz8q0573B2j34UMtyvRZnqwt5Q6jVfwIb0SJbEyReWha5allo3X0wJfKyRqDvLrcSCYyvgkFPacR/SToBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T21:07:05.396662Z"},"content_sha256":"aa00ec68759cb03da03968a6efed246ad4158455b4d5f934587ed7be508a0e08","schema_version":"1.0","event_id":"sha256:aa00ec68759cb03da03968a6efed246ad4158455b4d5f934587ed7be508a0e08"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:I4PJFZ6EUNTKLRZ2EX767O4FMG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A hierarchy of voids: Much ado about nothing","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ravi K. Sheth (Pitt), Rien van de Weygaert (Kapteyn)","submitted_at":"2003-11-11T21:05:13Z","abstract_excerpt":"We present a model for the distribution of void sizes and its evolution in the context of hierarchical scenarios of gravitational structure formation. We find that at any cosmic epoch the voids have a size distribution which is well-peaked about a characteristic void size which evolves self-similarly in time. This is in distinct contrast to the distribution of virialized halo masses which does not have a small-scale cut-off.\n  In our model, the fate of voids is ruled by two processes. The first process affects those voids which are embedded in larger underdense regions: the evolution is effect"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0311260","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/0311260/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":"2026-07-04T15:32:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yKIi9ihx0a7EmixYn7Qf9aTH1Vh1qBDMIXo6V5Y1GKj3603K+dC74wqBPKwJrCGOOZeQnpfIufOzu6CMxh1cDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-01T21:07:05.396980Z"},"content_sha256":"fd313372bb6f79b0b8ce2d286cee367d127cc1cadc8d87b733622e061c0146d0","schema_version":"1.0","event_id":"sha256:fd313372bb6f79b0b8ce2d286cee367d127cc1cadc8d87b733622e061c0146d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG/bundle.json","state_url":"https://pith.science/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG/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":"2026-08-01T21:07:05Z","links":{"resolver":"https://pith.science/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG","bundle":"https://pith.science/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG/bundle.json","state":"https://pith.science/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I4PJFZ6EUNTKLRZ2EX767O4FMG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:I4PJFZ6EUNTKLRZ2EX767O4FMG","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":"eb64b15f5a17e84789cf36efefa957a91b2d3d18b4789a6cb13d9931ba82e82e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-11T21:05:13Z","title_canon_sha256":"4c1047212c1492c90bb552e057af975450621d3323d79e8b450cb1fbd5f60b77"},"schema_version":"1.0","source":{"id":"astro-ph/0311260","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0311260","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0311260v1","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0311260","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"pith_short_12","alias_value":"I4PJFZ6EUNTK","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"pith_short_16","alias_value":"I4PJFZ6EUNTKLRZ2","created_at":"2026-07-04T15:32:04Z"},{"alias_kind":"pith_short_8","alias_value":"I4PJFZ6E","created_at":"2026-07-04T15:32:04Z"}],"graph_snapshots":[{"event_id":"sha256:fd313372bb6f79b0b8ce2d286cee367d127cc1cadc8d87b733622e061c0146d0","target":"graph","created_at":"2026-07-04T15:32:04Z","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/0311260/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a model for the distribution of void sizes and its evolution in the context of hierarchical scenarios of gravitational structure formation. We find that at any cosmic epoch the voids have a size distribution which is well-peaked about a characteristic void size which evolves self-similarly in time. This is in distinct contrast to the distribution of virialized halo masses which does not have a small-scale cut-off.\n  In our model, the fate of voids is ruled by two processes. The first process affects those voids which are embedded in larger underdense regions: the evolution is effect","authors_text":"Ravi K. Sheth (Pitt), Rien van de Weygaert (Kapteyn)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-11-11T21:05:13Z","title":"A hierarchy of voids: Much ado about nothing"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0311260","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:aa00ec68759cb03da03968a6efed246ad4158455b4d5f934587ed7be508a0e08","target":"record","created_at":"2026-07-04T15:32:04Z","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":"eb64b15f5a17e84789cf36efefa957a91b2d3d18b4789a6cb13d9931ba82e82e","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-11-11T21:05:13Z","title_canon_sha256":"4c1047212c1492c90bb552e057af975450621d3323d79e8b450cb1fbd5f60b77"},"schema_version":"1.0","source":{"id":"astro-ph/0311260","kind":"arxiv","version":1}},"canonical_sha256":"471e92e7c4a366a5c73a25ffefbb8561920b4248c23fb4f4903432ad27416d34","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"471e92e7c4a366a5c73a25ffefbb8561920b4248c23fb4f4903432ad27416d34","first_computed_at":"2026-07-04T15:32:04.119980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:32:04.119980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iFqY85tkm6OQlblv3WwSDqrzc28chb4Pbt6OaODtDZ7QFKtYWwxTr6NhMmayaRMnfPJ2mP0qGCN+6J6XVP3pBQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:32:04.120395Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0311260","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:aa00ec68759cb03da03968a6efed246ad4158455b4d5f934587ed7be508a0e08","sha256:fd313372bb6f79b0b8ce2d286cee367d127cc1cadc8d87b733622e061c0146d0"],"state_sha256":"1b7da2185ac9d8dcfd12da7ad9943d9c36d8f7e58f94264eecdeb44152f82d82"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pATKFqRSoRDn7o4b6h3bMwiMWexwFG/vJvb7qW7QlXu3GW6PHZ+KuBNsE3X3HE/KSRtEcL0QpSuFQIsY8XJhCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-01T21:07:05.401504Z","bundle_sha256":"cf7f185faf0565a80c87ea602637f0880b94fa4dd745cd7aec7cdab0832eab44"}}