{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:VOK7CGG3HAGKYVZ4OEWNWBU3UB","short_pith_number":"pith:VOK7CGG3","canonical_record":{"source":{"id":"2107.10682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-22T13:41:14Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"b0489b5d64aeb3d8dc925da4e7d812f16bcc9e44add62cb8cc446c1b88c1819e","abstract_canon_sha256":"a75708260cf2179b627eecf86651c308e5403f4d103644ba661b728e9feefdd8"},"schema_version":"1.0"},"canonical_sha256":"ab95f118db380cac573c712cdb069ba06029da7634e53279e1a2fd8b4c1b0cfd","source":{"kind":"arxiv","id":"2107.10682","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10682","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10682v1","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10682","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_12","alias_value":"VOK7CGG3HAGK","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_16","alias_value":"VOK7CGG3HAGKYVZ4","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_8","alias_value":"VOK7CGG3","created_at":"2026-07-05T03:00:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:VOK7CGG3HAGKYVZ4OEWNWBU3UB","target":"record","payload":{"canonical_record":{"source":{"id":"2107.10682","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-22T13:41:14Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"b0489b5d64aeb3d8dc925da4e7d812f16bcc9e44add62cb8cc446c1b88c1819e","abstract_canon_sha256":"a75708260cf2179b627eecf86651c308e5403f4d103644ba661b728e9feefdd8"},"schema_version":"1.0"},"canonical_sha256":"ab95f118db380cac573c712cdb069ba06029da7634e53279e1a2fd8b4c1b0cfd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:00:02.709265Z","signature_b64":"u79tPrQcg8GDk73dK7+9BhzVBi9IM09IBtscckT7uk82KiMa6LfhmP8gGPg1XtxBsIWkJONNRW57ZqI6S2BLBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab95f118db380cac573c712cdb069ba06029da7634e53279e1a2fd8b4c1b0cfd","last_reissued_at":"2026-07-05T03:00:02.708791Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:00:02.708791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2107.10682","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":"2026-07-05T03:00:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BkYs6myzw8Xe9hijjEPyEA1uUF3rlz4aS4lhWR9X4c4HPairOFSR+Wjj6S26Gakdsg+rgkZR0bAdR9OkZdaMCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T07:56:33.371718Z"},"content_sha256":"b85729f372a38c04709ed01a33e4e645c9c1529d5561a1b47530a749dfd16c34","schema_version":"1.0","event_id":"sha256:b85729f372a38c04709ed01a33e4e645c9c1529d5561a1b47530a749dfd16c34"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:VOK7CGG3HAGKYVZ4OEWNWBU3UB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A cosmic accelerated scenario based on degrees of freedom of the spacetime","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Fei-Quan Tu, Qi-Hong Huang, Yi-Xin Chen","submitted_at":"2021-07-22T13:41:14Z","abstract_excerpt":"Several recent investigations have shown that there is a holographic relationship between the bulk degrees of freedom and the surface degrees of freedom in the spacetime. Furthermore, the entropy on the horizon can produce an entropic force effect on the bulk degrees of freedom. In this paper, we explore the dynamic evolution law of the universe based on the idea of the entropic force and asymptotically holographic equipartition and further analyze the thermodynamic properties of the current model. We get the age of the universe, the relation between the luminosity distance and the redshift fa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10682","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2107.10682/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":"2026-07-05T03:00:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rGgpQicdaWDXCULgmAycn+px4XV7erFGl+tiDcuB1tx+wGXh46u0YaXR4tU1whndBdWvZeaaVR6fDK/1xeRDAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-09T07:56:33.372648Z"},"content_sha256":"4d22c8856f7a8c9a1e9c63abf62e5b7659528c74848ec6e47777d195acbd1ca2","schema_version":"1.0","event_id":"sha256:4d22c8856f7a8c9a1e9c63abf62e5b7659528c74848ec6e47777d195acbd1ca2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB/bundle.json","state_url":"https://pith.science/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB/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":"2026-08-09T07:56:33Z","links":{"resolver":"https://pith.science/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB","bundle":"https://pith.science/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB/bundle.json","state":"https://pith.science/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VOK7CGG3HAGKYVZ4OEWNWBU3UB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:VOK7CGG3HAGKYVZ4OEWNWBU3UB","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":"a75708260cf2179b627eecf86651c308e5403f4d103644ba661b728e9feefdd8","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-22T13:41:14Z","title_canon_sha256":"b0489b5d64aeb3d8dc925da4e7d812f16bcc9e44add62cb8cc446c1b88c1819e"},"schema_version":"1.0","source":{"id":"2107.10682","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2107.10682","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"arxiv_version","alias_value":"2107.10682v1","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2107.10682","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_12","alias_value":"VOK7CGG3HAGK","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_16","alias_value":"VOK7CGG3HAGKYVZ4","created_at":"2026-07-05T03:00:02Z"},{"alias_kind":"pith_short_8","alias_value":"VOK7CGG3","created_at":"2026-07-05T03:00:02Z"}],"graph_snapshots":[{"event_id":"sha256:4d22c8856f7a8c9a1e9c63abf62e5b7659528c74848ec6e47777d195acbd1ca2","target":"graph","created_at":"2026-07-05T03:00:02Z","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/2107.10682/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Several recent investigations have shown that there is a holographic relationship between the bulk degrees of freedom and the surface degrees of freedom in the spacetime. Furthermore, the entropy on the horizon can produce an entropic force effect on the bulk degrees of freedom. In this paper, we explore the dynamic evolution law of the universe based on the idea of the entropic force and asymptotically holographic equipartition and further analyze the thermodynamic properties of the current model. We get the age of the universe, the relation between the luminosity distance and the redshift fa","authors_text":"Fei-Quan Tu, Qi-Hong Huang, Yi-Xin Chen","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-22T13:41:14Z","title":"A cosmic accelerated scenario based on degrees of freedom of the spacetime"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2107.10682","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:b85729f372a38c04709ed01a33e4e645c9c1529d5561a1b47530a749dfd16c34","target":"record","created_at":"2026-07-05T03:00:02Z","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":"a75708260cf2179b627eecf86651c308e5403f4d103644ba661b728e9feefdd8","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2021-07-22T13:41:14Z","title_canon_sha256":"b0489b5d64aeb3d8dc925da4e7d812f16bcc9e44add62cb8cc446c1b88c1819e"},"schema_version":"1.0","source":{"id":"2107.10682","kind":"arxiv","version":1}},"canonical_sha256":"ab95f118db380cac573c712cdb069ba06029da7634e53279e1a2fd8b4c1b0cfd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab95f118db380cac573c712cdb069ba06029da7634e53279e1a2fd8b4c1b0cfd","first_computed_at":"2026-07-05T03:00:02.708791Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:00:02.708791Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"u79tPrQcg8GDk73dK7+9BhzVBi9IM09IBtscckT7uk82KiMa6LfhmP8gGPg1XtxBsIWkJONNRW57ZqI6S2BLBA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:00:02.709265Z","signed_message":"canonical_sha256_bytes"},"source_id":"2107.10682","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b85729f372a38c04709ed01a33e4e645c9c1529d5561a1b47530a749dfd16c34","sha256:4d22c8856f7a8c9a1e9c63abf62e5b7659528c74848ec6e47777d195acbd1ca2"],"state_sha256":"248faed8960733e34198796e0fb51c334fe353a29388e33ed27c89bf770a2cf9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z4CEo2eHJO7zJyALuQdDAr1Fionz2H+fk8Q4tXm48ZXSGNyHfQX4cEOx++DVGXsu1VNNzxTtFBxMGt18GdwFDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-09T07:56:33.377881Z","bundle_sha256":"087d94ac281da2554476a005134e186b1ad2570d1140fcdcf0d6b90ee269cda0"}}