{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:RO62FUO2FDNBLK2LM4EKF3LXFV","short_pith_number":"pith:RO62FUO2","canonical_record":{"source":{"id":"1206.3725","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-17T05:34:33Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"3041bb16dc1a2a770bfaf92845afe93a8275d77c11c6798fdde4af7db5a442fe","abstract_canon_sha256":"11b310505797dcd8b5bf92132668dd8d31bda3b3a900b771e1fa3fa46fe9f2d9"},"schema_version":"1.0"},"canonical_sha256":"8bbda2d1da28da15ab4b6708a2ed772d580eb17d8588dac357fbb51df0cc1159","source":{"kind":"arxiv","id":"1206.3725","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3725","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3725v1","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3725","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"RO62FUO2FDNB","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RO62FUO2FDNBLK2L","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RO62FUO2","created_at":"2026-05-18T12:27:20Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:RO62FUO2FDNBLK2LM4EKF3LXFV","target":"record","payload":{"canonical_record":{"source":{"id":"1206.3725","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-17T05:34:33Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"3041bb16dc1a2a770bfaf92845afe93a8275d77c11c6798fdde4af7db5a442fe","abstract_canon_sha256":"11b310505797dcd8b5bf92132668dd8d31bda3b3a900b771e1fa3fa46fe9f2d9"},"schema_version":"1.0"},"canonical_sha256":"8bbda2d1da28da15ab4b6708a2ed772d580eb17d8588dac357fbb51df0cc1159","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:53:18.916769Z","signature_b64":"oLVJjvoARXh3umhESlV8ooWGz0myemvyzUN5/sz7+AFOp5OboXb/8SKna5evdDD75Q9Fuduz4dw+AKx5Je+9Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8bbda2d1da28da15ab4b6708a2ed772d580eb17d8588dac357fbb51df0cc1159","last_reissued_at":"2026-05-18T03:53:18.916071Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:53:18.916071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1206.3725","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":"2026-05-18T03:53:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/VgCwBUIHTVfMmINX5ROoDvViLpYBEPVjX3VYvSIvVlqlMpvxmkweXao8AJoVf29kYTppTB+8XVCXTjkj+quAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:47:48.878307Z"},"content_sha256":"10d8c73500af3f9c9506194cec2fee7b4f47c1ccaf6d3080115442cf46d19969","schema_version":"1.0","event_id":"sha256:10d8c73500af3f9c9506194cec2fee7b4f47c1ccaf6d3080115442cf46d19969"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:RO62FUO2FDNBLK2LM4EKF3LXFV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cosmic antigravity","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"A.D. Dolgov","submitted_at":"2012-06-17T05:34:33Z","abstract_excerpt":"Possibility of gravitational repulsion in General Relativity is discussed and astronomical data in favor of cosmological acceleration are described. The problem of vacuum energy is emphasized and possible ways of its solution are indicated. The main attention is payed to adjustment mechanism which in principle could compensate originally huge vacuum energy down to cosmologically acceptable value and to solve the coincidence problem of a close magnitudes of the non-compensated remnants of vacuum energy and the energy density of the universe at the present time. Finally possible modifications of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3725","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":"2026-05-18T03:53:18Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bv7GIjR5+lV36JXQwxnpJry18/8asqjlgaMz7az2alrfh2aCPyQoSjoyACZHSeHlglsHczNT3Lh+L1sJkDMkDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T18:47:48.878976Z"},"content_sha256":"ecba57990a9ec37ae6647bff8d6a539ecddc3d6c5a3b73a4d4b60e391fa6e35d","schema_version":"1.0","event_id":"sha256:ecba57990a9ec37ae6647bff8d6a539ecddc3d6c5a3b73a4d4b60e391fa6e35d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RO62FUO2FDNBLK2LM4EKF3LXFV/bundle.json","state_url":"https://pith.science/pith/RO62FUO2FDNBLK2LM4EKF3LXFV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RO62FUO2FDNBLK2LM4EKF3LXFV/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":"2026-05-26T18:47:48Z","links":{"resolver":"https://pith.science/pith/RO62FUO2FDNBLK2LM4EKF3LXFV","bundle":"https://pith.science/pith/RO62FUO2FDNBLK2LM4EKF3LXFV/bundle.json","state":"https://pith.science/pith/RO62FUO2FDNBLK2LM4EKF3LXFV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RO62FUO2FDNBLK2LM4EKF3LXFV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:RO62FUO2FDNBLK2LM4EKF3LXFV","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":"11b310505797dcd8b5bf92132668dd8d31bda3b3a900b771e1fa3fa46fe9f2d9","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-17T05:34:33Z","title_canon_sha256":"3041bb16dc1a2a770bfaf92845afe93a8275d77c11c6798fdde4af7db5a442fe"},"schema_version":"1.0","source":{"id":"1206.3725","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1206.3725","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"arxiv_version","alias_value":"1206.3725v1","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1206.3725","created_at":"2026-05-18T03:53:18Z"},{"alias_kind":"pith_short_12","alias_value":"RO62FUO2FDNB","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_16","alias_value":"RO62FUO2FDNBLK2L","created_at":"2026-05-18T12:27:20Z"},{"alias_kind":"pith_short_8","alias_value":"RO62FUO2","created_at":"2026-05-18T12:27:20Z"}],"graph_snapshots":[{"event_id":"sha256:ecba57990a9ec37ae6647bff8d6a539ecddc3d6c5a3b73a4d4b60e391fa6e35d","target":"graph","created_at":"2026-05-18T03:53:18Z","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":"Possibility of gravitational repulsion in General Relativity is discussed and astronomical data in favor of cosmological acceleration are described. The problem of vacuum energy is emphasized and possible ways of its solution are indicated. The main attention is payed to adjustment mechanism which in principle could compensate originally huge vacuum energy down to cosmologically acceptable value and to solve the coincidence problem of a close magnitudes of the non-compensated remnants of vacuum energy and the energy density of the universe at the present time. Finally possible modifications of","authors_text":"A.D. Dolgov","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-17T05:34:33Z","title":"Cosmic antigravity"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1206.3725","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":"sha256:10d8c73500af3f9c9506194cec2fee7b4f47c1ccaf6d3080115442cf46d19969","target":"record","created_at":"2026-05-18T03:53:18Z","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":"11b310505797dcd8b5bf92132668dd8d31bda3b3a900b771e1fa3fa46fe9f2d9","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-06-17T05:34:33Z","title_canon_sha256":"3041bb16dc1a2a770bfaf92845afe93a8275d77c11c6798fdde4af7db5a442fe"},"schema_version":"1.0","source":{"id":"1206.3725","kind":"arxiv","version":1}},"canonical_sha256":"8bbda2d1da28da15ab4b6708a2ed772d580eb17d8588dac357fbb51df0cc1159","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8bbda2d1da28da15ab4b6708a2ed772d580eb17d8588dac357fbb51df0cc1159","first_computed_at":"2026-05-18T03:53:18.916071Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:53:18.916071Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oLVJjvoARXh3umhESlV8ooWGz0myemvyzUN5/sz7+AFOp5OboXb/8SKna5evdDD75Q9Fuduz4dw+AKx5Je+9Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:53:18.916769Z","signed_message":"canonical_sha256_bytes"},"source_id":"1206.3725","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10d8c73500af3f9c9506194cec2fee7b4f47c1ccaf6d3080115442cf46d19969","sha256:ecba57990a9ec37ae6647bff8d6a539ecddc3d6c5a3b73a4d4b60e391fa6e35d"],"state_sha256":"8b9095f4eb79849ad11e5c6f0085f1af5d7f6665e1fabcb800ae0c01adca1320"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RQLaH/jT5tBrd3FPZgYoveZbTJqt+J0mrznC6Q9zVZXAdW/IDectkZLF+QS3K7SttHMMIkG9e9UuvWW9MvCRBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T18:47:48.882171Z","bundle_sha256":"aca303c69ef46262f6d27ff7ad27e4af240405f5838bd8876086fc95fc71a461"}}