{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:ADK2PQ2AM4SPXFAHM4FK2OHSH2","short_pith_number":"pith:ADK2PQ2A","canonical_record":{"source":{"id":"1505.01104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-02T13:28:30Z","cross_cats_sorted":[],"title_canon_sha256":"95b311ca83f36ec01ac1da6d18ac9bdd3908794df2dacf1c473459f55c811c6e","abstract_canon_sha256":"a19b4886357a4350cda9cde49fd12805b8fbfc1db2497b5e45a4b3a1a8f5b2fc"},"schema_version":"1.0"},"canonical_sha256":"00d5a7c3406724fb9407670aad38f23e848ad8aa8e4bb49fd62ce39b590d8e47","source":{"kind":"arxiv","id":"1505.01104","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01104","created_at":"2026-05-18T02:16:51Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01104v1","created_at":"2026-05-18T02:16:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01104","created_at":"2026-05-18T02:16:51Z"},{"alias_kind":"pith_short_12","alias_value":"ADK2PQ2AM4SP","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ADK2PQ2AM4SPXFAH","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ADK2PQ2A","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:ADK2PQ2AM4SPXFAHM4FK2OHSH2","target":"record","payload":{"canonical_record":{"source":{"id":"1505.01104","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-02T13:28:30Z","cross_cats_sorted":[],"title_canon_sha256":"95b311ca83f36ec01ac1da6d18ac9bdd3908794df2dacf1c473459f55c811c6e","abstract_canon_sha256":"a19b4886357a4350cda9cde49fd12805b8fbfc1db2497b5e45a4b3a1a8f5b2fc"},"schema_version":"1.0"},"canonical_sha256":"00d5a7c3406724fb9407670aad38f23e848ad8aa8e4bb49fd62ce39b590d8e47","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:16:51.914629Z","signature_b64":"HtHKyz2UQ5XJ6aFy6Dtix/A1QHezSsUBasQLPzqV/PKRczPee3h4qkHXwzC0cbcgSzo/jALql5rDyE2nwlbHCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00d5a7c3406724fb9407670aad38f23e848ad8aa8e4bb49fd62ce39b590d8e47","last_reissued_at":"2026-05-18T02:16:51.913923Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:16:51.913923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.01104","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":"2026-05-18T02:16:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DQKmG3dL6WxmRoV1ByBrk1LZ9KcytCmQvu55AjFjw+TjyGzR+VyT/a6qWbOa7DUOp1Md+Qi8cUAMZ+uTxQeZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:03:24.206764Z"},"content_sha256":"ccf2bc0f0cc6158e829e6e3d37cc9437f6a8a5abc1ccbefee70ea1dff6b90caf","schema_version":"1.0","event_id":"sha256:ccf2bc0f0cc6158e829e6e3d37cc9437f6a8a5abc1ccbefee70ea1dff6b90caf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:ADK2PQ2AM4SPXFAHM4FK2OHSH2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermodynamical description of the ghost dark energy model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"A. Sheykhi, H. Moradpour, M. Honarvaryan","submitted_at":"2015-05-02T13:28:30Z","abstract_excerpt":"In this paper, we point out thermodynamical description of ghost dark energy and its generalization to the early universe. Thereinafter, we find expressions for the entropy changes of these dark energy candidates. In addition, considering thermal fluctuations, thermodynamics of the dark energy component interacting with a dark matter sector is addressed. {We will also find the effects of considering the coincidence problem on the mutual interaction between the dark sectors, and thus the equation of state parameter of dark energy.} Finally, we derive a relation between the mutual interaction of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01104","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":"2026-05-18T02:16:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wQ6cvkjM2RO/7EVqN78pWOz0HPNaOr4XR9/GuPb6eqYKEJdf4vbkVibc2609mx2YXotl61eJFEJs3RhQ9isKAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T07:03:24.207099Z"},"content_sha256":"32ef77a2e6664728ff631feeecd91a23232aed995084c68c6f50aae713638813","schema_version":"1.0","event_id":"sha256:32ef77a2e6664728ff631feeecd91a23232aed995084c68c6f50aae713638813"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2/bundle.json","state_url":"https://pith.science/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2/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":"2026-06-03T07:03:24Z","links":{"resolver":"https://pith.science/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2","bundle":"https://pith.science/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2/bundle.json","state":"https://pith.science/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ADK2PQ2AM4SPXFAHM4FK2OHSH2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:ADK2PQ2AM4SPXFAHM4FK2OHSH2","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":"a19b4886357a4350cda9cde49fd12805b8fbfc1db2497b5e45a4b3a1a8f5b2fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-02T13:28:30Z","title_canon_sha256":"95b311ca83f36ec01ac1da6d18ac9bdd3908794df2dacf1c473459f55c811c6e"},"schema_version":"1.0","source":{"id":"1505.01104","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.01104","created_at":"2026-05-18T02:16:51Z"},{"alias_kind":"arxiv_version","alias_value":"1505.01104v1","created_at":"2026-05-18T02:16:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.01104","created_at":"2026-05-18T02:16:51Z"},{"alias_kind":"pith_short_12","alias_value":"ADK2PQ2AM4SP","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"ADK2PQ2AM4SPXFAH","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"ADK2PQ2A","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:32ef77a2e6664728ff631feeecd91a23232aed995084c68c6f50aae713638813","target":"graph","created_at":"2026-05-18T02:16:51Z","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 this paper, we point out thermodynamical description of ghost dark energy and its generalization to the early universe. Thereinafter, we find expressions for the entropy changes of these dark energy candidates. In addition, considering thermal fluctuations, thermodynamics of the dark energy component interacting with a dark matter sector is addressed. {We will also find the effects of considering the coincidence problem on the mutual interaction between the dark sectors, and thus the equation of state parameter of dark energy.} Finally, we derive a relation between the mutual interaction of","authors_text":"A. Sheykhi, H. Moradpour, M. Honarvaryan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-02T13:28:30Z","title":"Thermodynamical description of the ghost dark energy model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.01104","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:ccf2bc0f0cc6158e829e6e3d37cc9437f6a8a5abc1ccbefee70ea1dff6b90caf","target":"record","created_at":"2026-05-18T02:16:51Z","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":"a19b4886357a4350cda9cde49fd12805b8fbfc1db2497b5e45a4b3a1a8f5b2fc","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2015-05-02T13:28:30Z","title_canon_sha256":"95b311ca83f36ec01ac1da6d18ac9bdd3908794df2dacf1c473459f55c811c6e"},"schema_version":"1.0","source":{"id":"1505.01104","kind":"arxiv","version":1}},"canonical_sha256":"00d5a7c3406724fb9407670aad38f23e848ad8aa8e4bb49fd62ce39b590d8e47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00d5a7c3406724fb9407670aad38f23e848ad8aa8e4bb49fd62ce39b590d8e47","first_computed_at":"2026-05-18T02:16:51.913923Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:16:51.913923Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HtHKyz2UQ5XJ6aFy6Dtix/A1QHezSsUBasQLPzqV/PKRczPee3h4qkHXwzC0cbcgSzo/jALql5rDyE2nwlbHCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:16:51.914629Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.01104","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ccf2bc0f0cc6158e829e6e3d37cc9437f6a8a5abc1ccbefee70ea1dff6b90caf","sha256:32ef77a2e6664728ff631feeecd91a23232aed995084c68c6f50aae713638813"],"state_sha256":"a5f11a2174274190f562663218c970b1f7a928bd4a362acb8115d6bb9070a598"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2YHivBNFoEzfYRR0FWNQbgXCRj2617NII4NdEAPK6NVQTCeZiUcu+f8lPYpknsudtRqtCc0MakdRUzDD2zIfBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T07:03:24.209031Z","bundle_sha256":"82bc815ceec6c2769c7b810e85ef0bf89e520207f238762a1e4233cadc44f782"}}