{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:NWEH4ZADRPPOTJU7RKMNIFOEAB","short_pith_number":"pith:NWEH4ZAD","canonical_record":{"source":{"id":"2405.06750","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-05-10T18:08:30Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"248acd5e6b38a9904aed32d903017c451801a14e5a7ebe6c99883151af9e613d","abstract_canon_sha256":"aec19943dc590476674e4f61c963b2448ecbe98ff06bba34dc673dfd0a2f2fa1"},"schema_version":"1.0"},"canonical_sha256":"6d887e64038bdee9a69f8a98d415c4006d9ba3ca533cec07b921aa90105b66ca","source":{"kind":"arxiv","id":"2405.06750","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.06750","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"arxiv_version","alias_value":"2405.06750v2","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.06750","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"pith_short_12","alias_value":"NWEH4ZADRPPO","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"pith_short_16","alias_value":"NWEH4ZADRPPOTJU7","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"pith_short_8","alias_value":"NWEH4ZAD","created_at":"2026-07-05T09:05:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:NWEH4ZADRPPOTJU7RKMNIFOEAB","target":"record","payload":{"canonical_record":{"source":{"id":"2405.06750","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-05-10T18:08:30Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"248acd5e6b38a9904aed32d903017c451801a14e5a7ebe6c99883151af9e613d","abstract_canon_sha256":"aec19943dc590476674e4f61c963b2448ecbe98ff06bba34dc673dfd0a2f2fa1"},"schema_version":"1.0"},"canonical_sha256":"6d887e64038bdee9a69f8a98d415c4006d9ba3ca533cec07b921aa90105b66ca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:05:14.833076Z","signature_b64":"ZObwhrfce0h9JrStwPSp50MevOC9TSWhA0PgxZhJmJpyar/teWfXMPMMarqn6Yzzp0AOa1Wyo1Djq5Q/NK9wAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6d887e64038bdee9a69f8a98d415c4006d9ba3ca533cec07b921aa90105b66ca","last_reissued_at":"2026-07-05T09:05:14.832582Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:05:14.832582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.06750","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":"2026-07-05T09:05:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4pCv/trplu97iTmihCUS8CVhU8H5St0PsGpKZe/qVq3LNlXlt1ERXcSslD0VkZBvC8pN6npXhyJv+3KaG9k9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T03:15:12.546688Z"},"content_sha256":"465cf18368d9fcb9f253a15785f8d9932f8994636063b9a0c5e76bdd22e10d58","schema_version":"1.0","event_id":"sha256:465cf18368d9fcb9f253a15785f8d9932f8994636063b9a0c5e76bdd22e10d58"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:NWEH4ZADRPPOTJU7RKMNIFOEAB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Scalar Field Dominated Cosmology with Woods-Saxon Like Potential","license":"http://creativecommons.org/publicdomain/zero/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Navaneeth Poonthottathil, Sarath Nelleri, Sreerag Radhakrishnan","submitted_at":"2024-05-10T18:08:30Z","abstract_excerpt":"Dark energy can be characterized by a canonical scalar field, known as quintessence. Quintessence allows for a dynamical equation of state $-1 \\le \\omega \\le -\\frac{1}{3}$. A previous study by Oikonomou and Chatzarakis have shown that a scalar field model with a Woods-Saxon like potential can successfully explain the early inflation. In this work, we consider a quintessence model with a potential of similar form to explain the late time acceleration. The model is studied at late phase assuming flat cosmology, and the model parameters are constrained using Type Ia supernova data and Observation"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.06750","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/2405.06750/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":"2026-07-05T09:05:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V3m0w1Aj1eMswZGiRJD4p43TGqESvCdDxiHUzlMqVHo/+QPHGFIh0rAnf83psZN6WmbrMFHylO+zSOxQt4HUCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T03:15:12.547594Z"},"content_sha256":"81dcadbe8ed9007bd1d6bca5f86a7a18e212a5c576ebfeb2e4d76dfc09b325bb","schema_version":"1.0","event_id":"sha256:81dcadbe8ed9007bd1d6bca5f86a7a18e212a5c576ebfeb2e4d76dfc09b325bb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB/bundle.json","state_url":"https://pith.science/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB/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":"2026-08-02T03:15:12Z","links":{"resolver":"https://pith.science/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB","bundle":"https://pith.science/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB/bundle.json","state":"https://pith.science/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NWEH4ZADRPPOTJU7RKMNIFOEAB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:NWEH4ZADRPPOTJU7RKMNIFOEAB","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":"aec19943dc590476674e4f61c963b2448ecbe98ff06bba34dc673dfd0a2f2fa1","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-05-10T18:08:30Z","title_canon_sha256":"248acd5e6b38a9904aed32d903017c451801a14e5a7ebe6c99883151af9e613d"},"schema_version":"1.0","source":{"id":"2405.06750","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.06750","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"arxiv_version","alias_value":"2405.06750v2","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.06750","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"pith_short_12","alias_value":"NWEH4ZADRPPO","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"pith_short_16","alias_value":"NWEH4ZADRPPOTJU7","created_at":"2026-07-05T09:05:14Z"},{"alias_kind":"pith_short_8","alias_value":"NWEH4ZAD","created_at":"2026-07-05T09:05:14Z"}],"graph_snapshots":[{"event_id":"sha256:81dcadbe8ed9007bd1d6bca5f86a7a18e212a5c576ebfeb2e4d76dfc09b325bb","target":"graph","created_at":"2026-07-05T09:05:14Z","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/2405.06750/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dark energy can be characterized by a canonical scalar field, known as quintessence. Quintessence allows for a dynamical equation of state $-1 \\le \\omega \\le -\\frac{1}{3}$. A previous study by Oikonomou and Chatzarakis have shown that a scalar field model with a Woods-Saxon like potential can successfully explain the early inflation. In this work, we consider a quintessence model with a potential of similar form to explain the late time acceleration. The model is studied at late phase assuming flat cosmology, and the model parameters are constrained using Type Ia supernova data and Observation","authors_text":"Navaneeth Poonthottathil, Sarath Nelleri, Sreerag Radhakrishnan","cross_cats":["gr-qc"],"headline":"","license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-05-10T18:08:30Z","title":"Scalar Field Dominated Cosmology with Woods-Saxon Like Potential"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.06750","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":"sha256:465cf18368d9fcb9f253a15785f8d9932f8994636063b9a0c5e76bdd22e10d58","target":"record","created_at":"2026-07-05T09:05:14Z","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":"aec19943dc590476674e4f61c963b2448ecbe98ff06bba34dc673dfd0a2f2fa1","cross_cats_sorted":["gr-qc"],"license":"http://creativecommons.org/publicdomain/zero/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-05-10T18:08:30Z","title_canon_sha256":"248acd5e6b38a9904aed32d903017c451801a14e5a7ebe6c99883151af9e613d"},"schema_version":"1.0","source":{"id":"2405.06750","kind":"arxiv","version":2}},"canonical_sha256":"6d887e64038bdee9a69f8a98d415c4006d9ba3ca533cec07b921aa90105b66ca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6d887e64038bdee9a69f8a98d415c4006d9ba3ca533cec07b921aa90105b66ca","first_computed_at":"2026-07-05T09:05:14.832582Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:05:14.832582Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZObwhrfce0h9JrStwPSp50MevOC9TSWhA0PgxZhJmJpyar/teWfXMPMMarqn6Yzzp0AOa1Wyo1Djq5Q/NK9wAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T09:05:14.833076Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.06750","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:465cf18368d9fcb9f253a15785f8d9932f8994636063b9a0c5e76bdd22e10d58","sha256:81dcadbe8ed9007bd1d6bca5f86a7a18e212a5c576ebfeb2e4d76dfc09b325bb"],"state_sha256":"505c64b3c052a016d2181b4ef016a1363292aa2c072e90a7f6a61cf9ac756c3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oXkZu3tB76DndmqZdMKTKwBYSjQj/njseO5g59ssZXI+g+WFzgoOiZYaEf4Cl/x4iWjTWjPsL9Nd67E46/RwBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T03:15:12.554027Z","bundle_sha256":"94ba1ed4cbad1a2be78e618486de9960325c46f0fcea8ff9196033afb202c076"}}