{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1996:4Z6LY63DTZPRZGRP746IXWGTJL","short_pith_number":"pith:4Z6LY63D","canonical_record":{"source":{"id":"astro-ph/9601154","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-01-26T18:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"5192c28c55aa4dcad147b24cd5c33e50e5b9315b21f99c0a2df25ca42690b8f8","abstract_canon_sha256":"c9627cc483f1e817a7f57364b8dc5d9baa01fca886071dc35a1b0d435acaf2ce"},"schema_version":"1.0"},"canonical_sha256":"e67cbc7b639e5f1c9a2fff3c8bd8d34ae6825deefb2afcd0372d93e41492868f","source":{"kind":"arxiv","id":"astro-ph/9601154","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9601154","created_at":"2026-05-18T01:09:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9601154v2","created_at":"2026-05-18T01:09:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9601154","created_at":"2026-05-18T01:09:21Z"},{"alias_kind":"pith_short_12","alias_value":"4Z6LY63DTZPR","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"4Z6LY63DTZPRZGRP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"4Z6LY63D","created_at":"2026-05-18T12:25:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1996:4Z6LY63DTZPRZGRP746IXWGTJL","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/9601154","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"1996-01-26T18:30:31Z","cross_cats_sorted":[],"title_canon_sha256":"5192c28c55aa4dcad147b24cd5c33e50e5b9315b21f99c0a2df25ca42690b8f8","abstract_canon_sha256":"c9627cc483f1e817a7f57364b8dc5d9baa01fca886071dc35a1b0d435acaf2ce"},"schema_version":"1.0"},"canonical_sha256":"e67cbc7b639e5f1c9a2fff3c8bd8d34ae6825deefb2afcd0372d93e41492868f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:09:21.570378Z","signature_b64":"69fSDL1YvSx3cOP+wI5/XBRAEuJdrepZOt3sYjIwBcDMs3zRQJXaIUoAnBg7EyK7rgOU1T8bj6xmz1CIYDrsCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e67cbc7b639e5f1c9a2fff3c8bd8d34ae6825deefb2afcd0372d93e41492868f","last_reissued_at":"2026-05-18T01:09:21.569972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:09:21.569972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/9601154","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":"2026-05-18T01:09:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MVRmLbGelGlmFSmO3XBnpnBvtwcuH0g4WlT1V684xeDJBsb56IyLwAWSjFqB6XleGL5niGNEAu5k1Grc6OukAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:11:36.473917Z"},"content_sha256":"cf78a22dff597dae8d9d9e1a1fe28fa4c46dc232f3fe6348e51a367cd439ba16","schema_version":"1.0","event_id":"sha256:cf78a22dff597dae8d9d9e1a1fe28fa4c46dc232f3fe6348e51a367cd439ba16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1996:4Z6LY63DTZPRZGRP746IXWGTJL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the microwave background anisotropy produced by big voids in open universes","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"(2) Departament de Matem\\`atica Aplicada, D. S\\'aez (1) ((1) Departament d'Astronomia i Astrof\\'isica, J.V. Arnau (2), M.J. Fullana (1), Spain, Spain), Universitat de Val\\`encia","submitted_at":"1996-01-26T18:30:31Z","abstract_excerpt":"The Tolman-Bondi solution of the Einstein equations is used in order to model the time evolution of the void observed in Bo\\\"otes. The present density contrast of the central region ($\\sim -0.75$) and its radius ($\\sim 30h^{-1} \\ Mpc$) are fixed, while the density parameter of the Universe, the amplitude of the density contrast inside the void wall, the width of this wall and the distance from the void centre to the Local Group are appropriately varied. The microwave background anisotropy produced by Bo\\\"otes-like voids is estimated for a significant set of locations. All the voids are placed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9601154","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":"2026-05-18T01:09:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3BsDW23WrweAXesHsRwEyrVK+tWPES6A4MvTQq7+JlqeihH3uWxkB+nNrOUB3IayVHiBgvnOTSTDgwTw/AjuAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T01:11:36.474524Z"},"content_sha256":"68635bb12f669ff18e25d002d5b95cc01367fccd3efde8daea5bafa058a5edf0","schema_version":"1.0","event_id":"sha256:68635bb12f669ff18e25d002d5b95cc01367fccd3efde8daea5bafa058a5edf0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4Z6LY63DTZPRZGRP746IXWGTJL/bundle.json","state_url":"https://pith.science/pith/4Z6LY63DTZPRZGRP746IXWGTJL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4Z6LY63DTZPRZGRP746IXWGTJL/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":"2026-06-10T01:11:36Z","links":{"resolver":"https://pith.science/pith/4Z6LY63DTZPRZGRP746IXWGTJL","bundle":"https://pith.science/pith/4Z6LY63DTZPRZGRP746IXWGTJL/bundle.json","state":"https://pith.science/pith/4Z6LY63DTZPRZGRP746IXWGTJL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4Z6LY63DTZPRZGRP746IXWGTJL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1996:4Z6LY63DTZPRZGRP746IXWGTJL","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":"c9627cc483f1e817a7f57364b8dc5d9baa01fca886071dc35a1b0d435acaf2ce","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-01-26T18:30:31Z","title_canon_sha256":"5192c28c55aa4dcad147b24cd5c33e50e5b9315b21f99c0a2df25ca42690b8f8"},"schema_version":"1.0","source":{"id":"astro-ph/9601154","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/9601154","created_at":"2026-05-18T01:09:21Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/9601154v2","created_at":"2026-05-18T01:09:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/9601154","created_at":"2026-05-18T01:09:21Z"},{"alias_kind":"pith_short_12","alias_value":"4Z6LY63DTZPR","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_16","alias_value":"4Z6LY63DTZPRZGRP","created_at":"2026-05-18T12:25:47Z"},{"alias_kind":"pith_short_8","alias_value":"4Z6LY63D","created_at":"2026-05-18T12:25:47Z"}],"graph_snapshots":[{"event_id":"sha256:68635bb12f669ff18e25d002d5b95cc01367fccd3efde8daea5bafa058a5edf0","target":"graph","created_at":"2026-05-18T01:09:21Z","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":"The Tolman-Bondi solution of the Einstein equations is used in order to model the time evolution of the void observed in Bo\\\"otes. The present density contrast of the central region ($\\sim -0.75$) and its radius ($\\sim 30h^{-1} \\ Mpc$) are fixed, while the density parameter of the Universe, the amplitude of the density contrast inside the void wall, the width of this wall and the distance from the void centre to the Local Group are appropriately varied. The microwave background anisotropy produced by Bo\\\"otes-like voids is estimated for a significant set of locations. All the voids are placed ","authors_text":"(2) Departament de Matem\\`atica Aplicada, D. S\\'aez (1) ((1) Departament d'Astronomia i Astrof\\'isica, J.V. Arnau (2), M.J. Fullana (1), Spain, Spain), Universitat de Val\\`encia","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"1996-01-26T18:30:31Z","title":"On the microwave background anisotropy produced by big voids in open universes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/9601154","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:cf78a22dff597dae8d9d9e1a1fe28fa4c46dc232f3fe6348e51a367cd439ba16","target":"record","created_at":"2026-05-18T01:09:21Z","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":"c9627cc483f1e817a7f57364b8dc5d9baa01fca886071dc35a1b0d435acaf2ce","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"1996-01-26T18:30:31Z","title_canon_sha256":"5192c28c55aa4dcad147b24cd5c33e50e5b9315b21f99c0a2df25ca42690b8f8"},"schema_version":"1.0","source":{"id":"astro-ph/9601154","kind":"arxiv","version":2}},"canonical_sha256":"e67cbc7b639e5f1c9a2fff3c8bd8d34ae6825deefb2afcd0372d93e41492868f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e67cbc7b639e5f1c9a2fff3c8bd8d34ae6825deefb2afcd0372d93e41492868f","first_computed_at":"2026-05-18T01:09:21.569972Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:09:21.569972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"69fSDL1YvSx3cOP+wI5/XBRAEuJdrepZOt3sYjIwBcDMs3zRQJXaIUoAnBg7EyK7rgOU1T8bj6xmz1CIYDrsCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:09:21.570378Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/9601154","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cf78a22dff597dae8d9d9e1a1fe28fa4c46dc232f3fe6348e51a367cd439ba16","sha256:68635bb12f669ff18e25d002d5b95cc01367fccd3efde8daea5bafa058a5edf0"],"state_sha256":"4bbb1582c242a4da3698000cc2a101390ec0172afc48e69041d93a20bb813b66"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Os9zw+mCzHK/O1dTCkUPKPv6ddG5KBYtydU81QGdrlkCLRWEaqCY287esuylYAks2LiZmB9wU2PDbN93aqYABQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T01:11:36.477922Z","bundle_sha256":"6d0a2f6e1712cba215862ad39d59ac41889792d8d965fdf3cc7614146c97ad8f"}}