{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:E3SKODEPGSHWFNQQ3ATBBVCSUW","short_pith_number":"pith:E3SKODEP","canonical_record":{"source":{"id":"astro-ph/0407295","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-14T20:01:30Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"10e8e5a2fa4e71d40c33d9e50d2ff6cface336283317d0c5118866a2922bdb3e","abstract_canon_sha256":"6b3cac7b7383956b3b6d3fadd4abdbe514fe604ca8eb6216ed142071c445e3c5"},"schema_version":"1.0"},"canonical_sha256":"26e4a70c8f348f62b610d82610d452a5b5a27a0c3d4d62def25b20704c955982","source":{"kind":"arxiv","id":"astro-ph/0407295","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0407295","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0407295v2","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0407295","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"pith_short_12","alias_value":"E3SKODEPGSHW","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"pith_short_16","alias_value":"E3SKODEPGSHWFNQQ","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"pith_short_8","alias_value":"E3SKODEP","created_at":"2026-07-04T15:23:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:E3SKODEPGSHWFNQQ3ATBBVCSUW","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0407295","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-14T20:01:30Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"10e8e5a2fa4e71d40c33d9e50d2ff6cface336283317d0c5118866a2922bdb3e","abstract_canon_sha256":"6b3cac7b7383956b3b6d3fadd4abdbe514fe604ca8eb6216ed142071c445e3c5"},"schema_version":"1.0"},"canonical_sha256":"26e4a70c8f348f62b610d82610d452a5b5a27a0c3d4d62def25b20704c955982","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:23:00.905026Z","signature_b64":"p2q5qWlOAEQWLaLFddluRBRWTmTU1e0knF7Bv0b/URphzBF+78m2fSHNCUgS05ZdxF+0wCdtsrdkH4szy4MyCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26e4a70c8f348f62b610d82610d452a5b5a27a0c3d4d62def25b20704c955982","last_reissued_at":"2026-07-04T15:23:00.904680Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:23:00.904680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0407295","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":"2026-07-04T15:23:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tmtjqGtFBIg5iHO0FvG58cUuC7ks8kbScwAWiFdSccDo+iUCK8inx1wTrxoHs4srXq6I1NGhJ4P+vAu15M5UCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T21:08:51.642986Z"},"content_sha256":"82899a37c2d1eea3a7d84fb3367a9af68c2ac12e7c58771a4ee5ae8ffe885412","schema_version":"1.0","event_id":"sha256:82899a37c2d1eea3a7d84fb3367a9af68c2ac12e7c58771a4ee5ae8ffe885412"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:E3SKODEPGSHWFNQQ3ATBBVCSUW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Accelerating Universe with a dynamic cosmological term","license":"","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph","authors_text":"Saibal Ray, Utpal Mukhopadhyay, Xin-he Meng","submitted_at":"2004-07-14T20:01:30Z","abstract_excerpt":"Keeping in mind the current picture of an accelerating and flat Universe, some specific dynamical models of the cosmological term $\\Lambda$ have been selected for investigating the nature of dark energy. Connecting the free parameters of the models with the cosmic matter and vacuum energy density parameters, it is shown that the models are equivalent. Using the selected models, the present values of some of the physical parameters have been estimated, and a glimpse at the past decelerating universe has also been presented. It is observed that most of these cosmological parameters nicely agree "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0407295","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0407295/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":"2026-07-04T15:23:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ddWPAMraVG4kYLBFdaSe9pcqhQRtJL2W6eHi+QpnGtFaJNw75nZNVhokbYaTgEDAuTXAKmffc3aRO94l4rpWCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-21T21:08:51.643375Z"},"content_sha256":"c9187fdab83637a7c7b9a5511f4c9afc9aad3b910dbb7c2b62404535a3472f35","schema_version":"1.0","event_id":"sha256:c9187fdab83637a7c7b9a5511f4c9afc9aad3b910dbb7c2b62404535a3472f35"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW/bundle.json","state_url":"https://pith.science/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW/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":"2026-07-21T21:08:51Z","links":{"resolver":"https://pith.science/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW","bundle":"https://pith.science/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW/bundle.json","state":"https://pith.science/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3SKODEPGSHWFNQQ3ATBBVCSUW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:E3SKODEPGSHWFNQQ3ATBBVCSUW","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":"6b3cac7b7383956b3b6d3fadd4abdbe514fe604ca8eb6216ed142071c445e3c5","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-14T20:01:30Z","title_canon_sha256":"10e8e5a2fa4e71d40c33d9e50d2ff6cface336283317d0c5118866a2922bdb3e"},"schema_version":"1.0","source":{"id":"astro-ph/0407295","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0407295","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0407295v2","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0407295","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"pith_short_12","alias_value":"E3SKODEPGSHW","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"pith_short_16","alias_value":"E3SKODEPGSHWFNQQ","created_at":"2026-07-04T15:23:00Z"},{"alias_kind":"pith_short_8","alias_value":"E3SKODEP","created_at":"2026-07-04T15:23:00Z"}],"graph_snapshots":[{"event_id":"sha256:c9187fdab83637a7c7b9a5511f4c9afc9aad3b910dbb7c2b62404535a3472f35","target":"graph","created_at":"2026-07-04T15:23:00Z","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/0407295/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Keeping in mind the current picture of an accelerating and flat Universe, some specific dynamical models of the cosmological term $\\Lambda$ have been selected for investigating the nature of dark energy. Connecting the free parameters of the models with the cosmic matter and vacuum energy density parameters, it is shown that the models are equivalent. Using the selected models, the present values of some of the physical parameters have been estimated, and a glimpse at the past decelerating universe has also been presented. It is observed that most of these cosmological parameters nicely agree ","authors_text":"Saibal Ray, Utpal Mukhopadhyay, Xin-he Meng","cross_cats":["gr-qc"],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-07-14T20:01:30Z","title":"Accelerating Universe with a dynamic cosmological term"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0407295","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":"sha256:82899a37c2d1eea3a7d84fb3367a9af68c2ac12e7c58771a4ee5ae8ffe885412","target":"record","created_at":"2026-07-04T15:23:00Z","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":"6b3cac7b7383956b3b6d3fadd4abdbe514fe604ca8eb6216ed142071c445e3c5","cross_cats_sorted":["gr-qc"],"license":"","primary_cat":"astro-ph","submitted_at":"2004-07-14T20:01:30Z","title_canon_sha256":"10e8e5a2fa4e71d40c33d9e50d2ff6cface336283317d0c5118866a2922bdb3e"},"schema_version":"1.0","source":{"id":"astro-ph/0407295","kind":"arxiv","version":2}},"canonical_sha256":"26e4a70c8f348f62b610d82610d452a5b5a27a0c3d4d62def25b20704c955982","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26e4a70c8f348f62b610d82610d452a5b5a27a0c3d4d62def25b20704c955982","first_computed_at":"2026-07-04T15:23:00.904680Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:23:00.904680Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"p2q5qWlOAEQWLaLFddluRBRWTmTU1e0knF7Bv0b/URphzBF+78m2fSHNCUgS05ZdxF+0wCdtsrdkH4szy4MyCg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:23:00.905026Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0407295","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:82899a37c2d1eea3a7d84fb3367a9af68c2ac12e7c58771a4ee5ae8ffe885412","sha256:c9187fdab83637a7c7b9a5511f4c9afc9aad3b910dbb7c2b62404535a3472f35"],"state_sha256":"d66d956d9f1f082880a1573764c44242c7f55da3590d6891e77a08d53ceb04db"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZQCh1WrlIzfuVt+oB0wL1GknNPoOB6Y/Fc9fOAvf7HJ1WDjenRxtbNMFdyjqF5Y7XssvMDSkbuse4vqnNsK6Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-21T21:08:51.645447Z","bundle_sha256":"806ce69769d1f3e3c8ee8d679335a9dbe7bce8166c0a21d78ff024d198d2e2c8"}}