{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:IALI62HP6IR3VVEWMJYMJJRLER","short_pith_number":"pith:IALI62HP","canonical_record":{"source":{"id":"1605.00820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-03T10:04:06Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"01878e9f0ffb1ae378dcbd1572fe98b758ca205bce223f9820fb0a89818c236e","abstract_canon_sha256":"7ca08a485e5bccada56c3ba0ce039a848b93267190407457f1a6bed37c554cdd"},"schema_version":"1.0"},"canonical_sha256":"40168f68eff223bad4966270c4a62b24551892c2cd6e1a726b5267afe66f83cd","source":{"kind":"arxiv","id":"1605.00820","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.00820","created_at":"2026-05-18T01:03:59Z"},{"alias_kind":"arxiv_version","alias_value":"1605.00820v2","created_at":"2026-05-18T01:03:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00820","created_at":"2026-05-18T01:03:59Z"},{"alias_kind":"pith_short_12","alias_value":"IALI62HP6IR3","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IALI62HP6IR3VVEW","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IALI62HP","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:IALI62HP6IR3VVEWMJYMJJRLER","target":"record","payload":{"canonical_record":{"source":{"id":"1605.00820","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-03T10:04:06Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"01878e9f0ffb1ae378dcbd1572fe98b758ca205bce223f9820fb0a89818c236e","abstract_canon_sha256":"7ca08a485e5bccada56c3ba0ce039a848b93267190407457f1a6bed37c554cdd"},"schema_version":"1.0"},"canonical_sha256":"40168f68eff223bad4966270c4a62b24551892c2cd6e1a726b5267afe66f83cd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:59.069024Z","signature_b64":"3INcDD7dr8QNtrpD1ejq8xS3iBlETolNWAAWSPoj6KsAVo51aEj0+6KtIhtd4vtAyLO37e3v2KZ7xtX0xBTyCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"40168f68eff223bad4966270c4a62b24551892c2cd6e1a726b5267afe66f83cd","last_reissued_at":"2026-05-18T01:03:59.068332Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:59.068332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.00820","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":"2026-05-18T01:03:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hR06/QdcLo5CIiPK231vGsYmUcm4EWh59nRUX5CXWLVEsNRgTZmYbV+y0ccDdWFiD+GGYNdo5XJL3P6oPb3oAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:57:19.428016Z"},"content_sha256":"b219d20984e0e8d3a61a2005345f9134c971092a6ab48b50b0324b4ac2cae81e","schema_version":"1.0","event_id":"sha256:b219d20984e0e8d3a61a2005345f9134c971092a6ab48b50b0324b4ac2cae81e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:IALI62HP6IR3VVEWMJYMJJRLER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Born-Infeld cosmology with scalar Born-Infeld matter","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"India), Sayan Kar (IIT Kharagpur, Soumya Jana","submitted_at":"2016-05-03T10:04:06Z","abstract_excerpt":"Cosmology in Eddington-inspired Born-Infeld gravity is investigated using a scalar Born-Infeld field (e.g. tachyon condensate) as matter. In this way, both in the gravity and matter sectors we have Born-Infeld-like structures characterized by their actions and via two separate constants, $\\kappa$ and $\\alpha_T^2$ respectively. With a particular choice of the form of $\\dot{\\phi}$ (the time derivative of the Born-Infeld scalar), analytical cosmological solutions are found. Thereafter, we explore some of the unique features of the corresponding cosmological spacetimes. For $\\kappa>0$, our solutio"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00820","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":"2026-05-18T01:03:59Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UPztUdEXJPNSFH/LJ974QQyqi7pghx9LP0yz4x4klak3FDd93HYaxFJ8yNm8afdAEG5m2jYMCwg/1tuLs9GaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T03:57:19.428694Z"},"content_sha256":"343211ec7d06a89464a6058f2aec183606254e169eccd3733fd9a75b4ccfbe3f","schema_version":"1.0","event_id":"sha256:343211ec7d06a89464a6058f2aec183606254e169eccd3733fd9a75b4ccfbe3f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IALI62HP6IR3VVEWMJYMJJRLER/bundle.json","state_url":"https://pith.science/pith/IALI62HP6IR3VVEWMJYMJJRLER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IALI62HP6IR3VVEWMJYMJJRLER/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":"2026-05-26T03:57:19Z","links":{"resolver":"https://pith.science/pith/IALI62HP6IR3VVEWMJYMJJRLER","bundle":"https://pith.science/pith/IALI62HP6IR3VVEWMJYMJJRLER/bundle.json","state":"https://pith.science/pith/IALI62HP6IR3VVEWMJYMJJRLER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IALI62HP6IR3VVEWMJYMJJRLER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:IALI62HP6IR3VVEWMJYMJJRLER","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":"7ca08a485e5bccada56c3ba0ce039a848b93267190407457f1a6bed37c554cdd","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-03T10:04:06Z","title_canon_sha256":"01878e9f0ffb1ae378dcbd1572fe98b758ca205bce223f9820fb0a89818c236e"},"schema_version":"1.0","source":{"id":"1605.00820","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.00820","created_at":"2026-05-18T01:03:59Z"},{"alias_kind":"arxiv_version","alias_value":"1605.00820v2","created_at":"2026-05-18T01:03:59Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.00820","created_at":"2026-05-18T01:03:59Z"},{"alias_kind":"pith_short_12","alias_value":"IALI62HP6IR3","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"IALI62HP6IR3VVEW","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"IALI62HP","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:343211ec7d06a89464a6058f2aec183606254e169eccd3733fd9a75b4ccfbe3f","target":"graph","created_at":"2026-05-18T01:03:59Z","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":"Cosmology in Eddington-inspired Born-Infeld gravity is investigated using a scalar Born-Infeld field (e.g. tachyon condensate) as matter. In this way, both in the gravity and matter sectors we have Born-Infeld-like structures characterized by their actions and via two separate constants, $\\kappa$ and $\\alpha_T^2$ respectively. With a particular choice of the form of $\\dot{\\phi}$ (the time derivative of the Born-Infeld scalar), analytical cosmological solutions are found. Thereafter, we explore some of the unique features of the corresponding cosmological spacetimes. For $\\kappa>0$, our solutio","authors_text":"India), Sayan Kar (IIT Kharagpur, Soumya Jana","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-03T10:04:06Z","title":"Born-Infeld cosmology with scalar Born-Infeld matter"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.00820","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:b219d20984e0e8d3a61a2005345f9134c971092a6ab48b50b0324b4ac2cae81e","target":"record","created_at":"2026-05-18T01:03:59Z","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":"7ca08a485e5bccada56c3ba0ce039a848b93267190407457f1a6bed37c554cdd","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-05-03T10:04:06Z","title_canon_sha256":"01878e9f0ffb1ae378dcbd1572fe98b758ca205bce223f9820fb0a89818c236e"},"schema_version":"1.0","source":{"id":"1605.00820","kind":"arxiv","version":2}},"canonical_sha256":"40168f68eff223bad4966270c4a62b24551892c2cd6e1a726b5267afe66f83cd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"40168f68eff223bad4966270c4a62b24551892c2cd6e1a726b5267afe66f83cd","first_computed_at":"2026-05-18T01:03:59.068332Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:59.068332Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3INcDD7dr8QNtrpD1ejq8xS3iBlETolNWAAWSPoj6KsAVo51aEj0+6KtIhtd4vtAyLO37e3v2KZ7xtX0xBTyCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:59.069024Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.00820","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b219d20984e0e8d3a61a2005345f9134c971092a6ab48b50b0324b4ac2cae81e","sha256:343211ec7d06a89464a6058f2aec183606254e169eccd3733fd9a75b4ccfbe3f"],"state_sha256":"6033016dbe0e1bf762a5f9cd0f39f3047755f1390ba7f003a6d3646af0284498"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Sfx/DVZ2Sp0RnBBTdRKKbub9qSf7hLkP4ZyJfN3/OCWvViqF3PbOhYkszvdXhIXgEeAEzbN0kQ/QIld5ucvAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T03:57:19.433037Z","bundle_sha256":"1e110f1f0a0288ba84c61a7b3055bab06e98c1cf7a2f0208aa6b4e107192292e"}}