{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:SWTKG5N4F767YIQR4KZKXS6OS4","short_pith_number":"pith:SWTKG5N4","canonical_record":{"source":{"id":"1406.6996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-26T19:54:34Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"259728837dd81c3d84e56d25cca9aaedd1d389fe962e99676b03446384bbba42","abstract_canon_sha256":"da6b3409a351c57ff1c88c7f23a1ea0d61be34e83f18ff5ddeb9100ed58d752c"},"schema_version":"1.0"},"canonical_sha256":"95a6a375bc2ffdfc2211e2b2abcbce971bd2fe3d408c37c1847310eca8f486b0","source":{"kind":"arxiv","id":"1406.6996","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6996","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6996v1","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6996","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"pith_short_12","alias_value":"SWTKG5N4F767","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SWTKG5N4F767YIQR","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SWTKG5N4","created_at":"2026-05-18T12:28:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:SWTKG5N4F767YIQR4KZKXS6OS4","target":"record","payload":{"canonical_record":{"source":{"id":"1406.6996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-26T19:54:34Z","cross_cats_sorted":["astro-ph.CO","hep-th"],"title_canon_sha256":"259728837dd81c3d84e56d25cca9aaedd1d389fe962e99676b03446384bbba42","abstract_canon_sha256":"da6b3409a351c57ff1c88c7f23a1ea0d61be34e83f18ff5ddeb9100ed58d752c"},"schema_version":"1.0"},"canonical_sha256":"95a6a375bc2ffdfc2211e2b2abcbce971bd2fe3d408c37c1847310eca8f486b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:46.146788Z","signature_b64":"xAw81uhVE/DI4pbK3FlgGkCYehVKE/vKfr2UmAFvDZqcqAg8tjmnn+JoOMuUm+S3JtH3HsJPaaC4T0lMUE5iAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"95a6a375bc2ffdfc2211e2b2abcbce971bd2fe3d408c37c1847310eca8f486b0","last_reissued_at":"2026-05-18T01:42:46.146037Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:46.146037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.6996","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":"2026-05-18T01:42:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"M38noAZhwtFzhdmkU2VqPBsZwYFaFA3u8q1+ra0V4HQQ6j5qaCk4zypD+ysj3q5O6t6LPC9ySsDdyxmr0te+Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:21:50.136512Z"},"content_sha256":"72feb5ccf92c5becf7cacebadc4affe5112fd27e3bb75856851441258e59458e","schema_version":"1.0","event_id":"sha256:72feb5ccf92c5becf7cacebadc4affe5112fd27e3bb75856851441258e59458e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:SWTKG5N4F767YIQR4KZKXS6OS4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Curvature dark energy reconstruction through different cosmographic distance definitions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-th"],"primary_cat":"gr-qc","authors_text":"Mariafelicia De Laurentis, Orlando Luongo, Salvatore Capozziello","submitted_at":"2014-06-26T19:54:34Z","abstract_excerpt":"In the context of $f(\\mathcal{R})$ gravity, dark energy is a geometrical fluid with negative equation of state. Since the function $f(\\mathcal{R})$ is not known \\emph{a priori}, the need of a model independent reconstruction of its shape represents a relevant technique to determine which $f(\\mathcal{R})$ model is really favored with respect to others. To this aim, we relate cosmography to a generic $f(\\mathcal R)$ and its derivatives in order to provide a model independent investigation at redshift $z \\sim 0$. Our analysis is based on the use of three different cosmological distance definition"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6996","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":"2026-05-18T01:42:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bilb947UBLsG5IfBrXC+U4Y2fcG5BAJaN80MBRjsBrhwInhOvhGOwOsGY9O8lrdK+qzNcrvTC2HpSyUYMgTRDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T20:21:50.137149Z"},"content_sha256":"59fa9ccf0c6ae81bece90cee1a19e684ae2424f7bef1cc00369ebab285a54e1f","schema_version":"1.0","event_id":"sha256:59fa9ccf0c6ae81bece90cee1a19e684ae2424f7bef1cc00369ebab285a54e1f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SWTKG5N4F767YIQR4KZKXS6OS4/bundle.json","state_url":"https://pith.science/pith/SWTKG5N4F767YIQR4KZKXS6OS4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SWTKG5N4F767YIQR4KZKXS6OS4/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":"2026-05-25T20:21:50Z","links":{"resolver":"https://pith.science/pith/SWTKG5N4F767YIQR4KZKXS6OS4","bundle":"https://pith.science/pith/SWTKG5N4F767YIQR4KZKXS6OS4/bundle.json","state":"https://pith.science/pith/SWTKG5N4F767YIQR4KZKXS6OS4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SWTKG5N4F767YIQR4KZKXS6OS4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:SWTKG5N4F767YIQR4KZKXS6OS4","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":"da6b3409a351c57ff1c88c7f23a1ea0d61be34e83f18ff5ddeb9100ed58d752c","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-26T19:54:34Z","title_canon_sha256":"259728837dd81c3d84e56d25cca9aaedd1d389fe962e99676b03446384bbba42"},"schema_version":"1.0","source":{"id":"1406.6996","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.6996","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"arxiv_version","alias_value":"1406.6996v1","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.6996","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"pith_short_12","alias_value":"SWTKG5N4F767","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_16","alias_value":"SWTKG5N4F767YIQR","created_at":"2026-05-18T12:28:49Z"},{"alias_kind":"pith_short_8","alias_value":"SWTKG5N4","created_at":"2026-05-18T12:28:49Z"}],"graph_snapshots":[{"event_id":"sha256:59fa9ccf0c6ae81bece90cee1a19e684ae2424f7bef1cc00369ebab285a54e1f","target":"graph","created_at":"2026-05-18T01:42:46Z","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":"In the context of $f(\\mathcal{R})$ gravity, dark energy is a geometrical fluid with negative equation of state. Since the function $f(\\mathcal{R})$ is not known \\emph{a priori}, the need of a model independent reconstruction of its shape represents a relevant technique to determine which $f(\\mathcal{R})$ model is really favored with respect to others. To this aim, we relate cosmography to a generic $f(\\mathcal R)$ and its derivatives in order to provide a model independent investigation at redshift $z \\sim 0$. Our analysis is based on the use of three different cosmological distance definition","authors_text":"Mariafelicia De Laurentis, Orlando Luongo, Salvatore Capozziello","cross_cats":["astro-ph.CO","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-26T19:54:34Z","title":"Curvature dark energy reconstruction through different cosmographic distance definitions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.6996","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":"sha256:72feb5ccf92c5becf7cacebadc4affe5112fd27e3bb75856851441258e59458e","target":"record","created_at":"2026-05-18T01:42:46Z","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":"da6b3409a351c57ff1c88c7f23a1ea0d61be34e83f18ff5ddeb9100ed58d752c","cross_cats_sorted":["astro-ph.CO","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2014-06-26T19:54:34Z","title_canon_sha256":"259728837dd81c3d84e56d25cca9aaedd1d389fe962e99676b03446384bbba42"},"schema_version":"1.0","source":{"id":"1406.6996","kind":"arxiv","version":1}},"canonical_sha256":"95a6a375bc2ffdfc2211e2b2abcbce971bd2fe3d408c37c1847310eca8f486b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"95a6a375bc2ffdfc2211e2b2abcbce971bd2fe3d408c37c1847310eca8f486b0","first_computed_at":"2026-05-18T01:42:46.146037Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:46.146037Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xAw81uhVE/DI4pbK3FlgGkCYehVKE/vKfr2UmAFvDZqcqAg8tjmnn+JoOMuUm+S3JtH3HsJPaaC4T0lMUE5iAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:46.146788Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.6996","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:72feb5ccf92c5becf7cacebadc4affe5112fd27e3bb75856851441258e59458e","sha256:59fa9ccf0c6ae81bece90cee1a19e684ae2424f7bef1cc00369ebab285a54e1f"],"state_sha256":"9fbf11a52ab8309638150da4b67c4ab959e1e2656cc75c4dc8650f8915fe5f1a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EBuN3ThpIEDpBD8DuGMmh9wkEYw1pxU3bpzvrXXqUAL7xmQtd2FyXXvhasMhDYidN6f1zNpCjUFe6cvPFlxcCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T20:21:50.139754Z","bundle_sha256":"12cfcf3c44d533847d05fc8e5021e9baf4f30c38758537d25b6de9777f9228d1"}}