{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:MHPDCOUAL3FEGQSNGRPT3X64T7","short_pith_number":"pith:MHPDCOUA","canonical_record":{"source":{"id":"1211.3249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T09:34:37Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"e6b5dc1c513d47eff03642afa571ac4d614ae9f6a18f7c1c719d4ad3af3e507e","abstract_canon_sha256":"5a3210ef7ea9de26930b416fb46d48213453b01d0464f442d03cc87892f44f34"},"schema_version":"1.0"},"canonical_sha256":"61de313a805eca43424d345f3ddfdc9fe53eb0240456f9962315d8132bc06adf","source":{"kind":"arxiv","id":"1211.3249","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3249","created_at":"2026-05-18T02:16:21Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3249v1","created_at":"2026-05-18T02:16:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3249","created_at":"2026-05-18T02:16:21Z"},{"alias_kind":"pith_short_12","alias_value":"MHPDCOUAL3FE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MHPDCOUAL3FEGQSN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MHPDCOUA","created_at":"2026-05-18T12:27:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:MHPDCOUAL3FEGQSNGRPT3X64T7","target":"record","payload":{"canonical_record":{"source":{"id":"1211.3249","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T09:34:37Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"e6b5dc1c513d47eff03642afa571ac4d614ae9f6a18f7c1c719d4ad3af3e507e","abstract_canon_sha256":"5a3210ef7ea9de26930b416fb46d48213453b01d0464f442d03cc87892f44f34"},"schema_version":"1.0"},"canonical_sha256":"61de313a805eca43424d345f3ddfdc9fe53eb0240456f9962315d8132bc06adf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:21.596761Z","signature_b64":"EHZJ5jc1P9BDSE1ZYZfg3h88qSnkZovkFVk9aIy5nVOUCyEWpPwicj7HubUT8NHz8H5ge4wP5IcysyiBux0XCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"61de313a805eca43424d345f3ddfdc9fe53eb0240456f9962315d8132bc06adf","last_reissued_at":"2026-05-18T02:16:21.596049Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:21.596049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1211.3249","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":"2026-05-18T02:16:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q8ByjuY8CCslbXtjgY1056YiYcfuLflzgYorjgAeIBVcoiIBCfmOw4arz7g9o/8EzTcxCMikC2m2iRB0qvTCAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:00:57.615738Z"},"content_sha256":"db709770b521e9aa25a1c98f8afdd1cd208b5250b2e125ede6ce3e0efe414586","schema_version":"1.0","event_id":"sha256:db709770b521e9aa25a1c98f8afdd1cd208b5250b2e125ede6ce3e0efe414586"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:MHPDCOUAL3FEGQSNGRPT3X64T7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Less is more: How cosmic voids can shed light on dark energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"E. G. Patrick Bos, Jarno Ruwen, Klaus Dolag, Rien van de Weygaert, Valeria Pettorino","submitted_at":"2012-11-14T09:34:37Z","abstract_excerpt":"We showed how the shape of cosmic voids can be used to distinguish between different models of dark energy using galaxy positions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3249","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":""},"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":"2026-05-18T02:16:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7JmOggeZJ59kYSLQ7155khign/CSjh+BX+bgBGUW8X82PFzfPVm3aMoMk0+MnV1IrLHw0NO97zxZwmulGL5lDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:00:57.616565Z"},"content_sha256":"10e593b1a1a52a44eb8c5d6995a2291366e82e8aca31f9f119b290f3e4227040","schema_version":"1.0","event_id":"sha256:10e593b1a1a52a44eb8c5d6995a2291366e82e8aca31f9f119b290f3e4227040"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MHPDCOUAL3FEGQSNGRPT3X64T7/bundle.json","state_url":"https://pith.science/pith/MHPDCOUAL3FEGQSNGRPT3X64T7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MHPDCOUAL3FEGQSNGRPT3X64T7/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":"2026-05-31T19:00:57Z","links":{"resolver":"https://pith.science/pith/MHPDCOUAL3FEGQSNGRPT3X64T7","bundle":"https://pith.science/pith/MHPDCOUAL3FEGQSNGRPT3X64T7/bundle.json","state":"https://pith.science/pith/MHPDCOUAL3FEGQSNGRPT3X64T7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MHPDCOUAL3FEGQSNGRPT3X64T7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:MHPDCOUAL3FEGQSNGRPT3X64T7","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":"5a3210ef7ea9de26930b416fb46d48213453b01d0464f442d03cc87892f44f34","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T09:34:37Z","title_canon_sha256":"e6b5dc1c513d47eff03642afa571ac4d614ae9f6a18f7c1c719d4ad3af3e507e"},"schema_version":"1.0","source":{"id":"1211.3249","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1211.3249","created_at":"2026-05-18T02:16:21Z"},{"alias_kind":"arxiv_version","alias_value":"1211.3249v1","created_at":"2026-05-18T02:16:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1211.3249","created_at":"2026-05-18T02:16:21Z"},{"alias_kind":"pith_short_12","alias_value":"MHPDCOUAL3FE","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_16","alias_value":"MHPDCOUAL3FEGQSN","created_at":"2026-05-18T12:27:14Z"},{"alias_kind":"pith_short_8","alias_value":"MHPDCOUA","created_at":"2026-05-18T12:27:14Z"}],"graph_snapshots":[{"event_id":"sha256:10e593b1a1a52a44eb8c5d6995a2291366e82e8aca31f9f119b290f3e4227040","target":"graph","created_at":"2026-05-18T02:16:21Z","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":"We showed how the shape of cosmic voids can be used to distinguish between different models of dark energy using galaxy positions.","authors_text":"E. G. Patrick Bos, Jarno Ruwen, Klaus Dolag, Rien van de Weygaert, Valeria Pettorino","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T09:34:37Z","title":"Less is more: How cosmic voids can shed light on dark energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1211.3249","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:db709770b521e9aa25a1c98f8afdd1cd208b5250b2e125ede6ce3e0efe414586","target":"record","created_at":"2026-05-18T02:16:21Z","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":"5a3210ef7ea9de26930b416fb46d48213453b01d0464f442d03cc87892f44f34","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-11-14T09:34:37Z","title_canon_sha256":"e6b5dc1c513d47eff03642afa571ac4d614ae9f6a18f7c1c719d4ad3af3e507e"},"schema_version":"1.0","source":{"id":"1211.3249","kind":"arxiv","version":1}},"canonical_sha256":"61de313a805eca43424d345f3ddfdc9fe53eb0240456f9962315d8132bc06adf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"61de313a805eca43424d345f3ddfdc9fe53eb0240456f9962315d8132bc06adf","first_computed_at":"2026-05-18T02:16:21.596049Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:21.596049Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EHZJ5jc1P9BDSE1ZYZfg3h88qSnkZovkFVk9aIy5nVOUCyEWpPwicj7HubUT8NHz8H5ge4wP5IcysyiBux0XCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:21.596761Z","signed_message":"canonical_sha256_bytes"},"source_id":"1211.3249","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:db709770b521e9aa25a1c98f8afdd1cd208b5250b2e125ede6ce3e0efe414586","sha256:10e593b1a1a52a44eb8c5d6995a2291366e82e8aca31f9f119b290f3e4227040"],"state_sha256":"6b41de90dc023e2a7c727251f684f893aa60342a619a9ee05620e43c521b9d2d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UORtFtlSwSjETxwuNC1TfDEnIYNkw5kbHkwF+1CrJZBgya6HdtH/3btV+hlYGGUvlDfczKdqdXyJCh7ohHGRDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:00:57.620682Z","bundle_sha256":"af3083e61fd48dd2f312253b1c5a2ef0dff2ea37817b79bc7cf6504da837033e"}}