{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:NYTSHCYS6D6QWDCXDJOM5KR3GG","short_pith_number":"pith:NYTSHCYS","canonical_record":{"source":{"id":"0802.1146","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-08T13:15:14Z","cross_cats_sorted":[],"title_canon_sha256":"2f77fa4c81b69d75a1f69ed5defa48e1646364edce06710cf634fa971392ba06","abstract_canon_sha256":"03e0119803d8564beb2f1d322763b44c4a311621a82f39be90a883819a7bc608"},"schema_version":"1.0"},"canonical_sha256":"6e27238b12f0fd0b0c571a5cceaa3b31b5e57dbea0422593736ebfc3ad894865","source":{"kind":"arxiv","id":"0802.1146","version":5},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.1146","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"arxiv_version","alias_value":"0802.1146v5","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.1146","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"pith_short_12","alias_value":"NYTSHCYS6D6Q","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"pith_short_16","alias_value":"NYTSHCYS6D6QWDCX","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"pith_short_8","alias_value":"NYTSHCYS","created_at":"2026-07-04T15:34:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:NYTSHCYS6D6QWDCXDJOM5KR3GG","target":"record","payload":{"canonical_record":{"source":{"id":"0802.1146","kind":"arxiv","version":5},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-08T13:15:14Z","cross_cats_sorted":[],"title_canon_sha256":"2f77fa4c81b69d75a1f69ed5defa48e1646364edce06710cf634fa971392ba06","abstract_canon_sha256":"03e0119803d8564beb2f1d322763b44c4a311621a82f39be90a883819a7bc608"},"schema_version":"1.0"},"canonical_sha256":"6e27238b12f0fd0b0c571a5cceaa3b31b5e57dbea0422593736ebfc3ad894865","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:34:02.333129Z","signature_b64":"G6hKjQC/98XD+4U0SnywfwA7wxSkw1CtZEqg5FjgbZXu8ubOzlOeieTJxBdV0uU3CsqEvw1qWU1Cjlh8TPcVAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6e27238b12f0fd0b0c571a5cceaa3b31b5e57dbea0422593736ebfc3ad894865","last_reissued_at":"2026-07-04T15:34:02.332738Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:34:02.332738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0802.1146","source_version":5,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-04T15:34:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AMGJPse33kvjXWPol2oslUuTUcocvWYO7l95C5n4VEUIbO+my0RWb4YBWyaoDGHhkO4qzoBkoTWEwz8tUDzqDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:06:41.470086Z"},"content_sha256":"65e9354f7d1372069894e9d3aa50c1e0867a46bf313aa311cb1471eb22790ed4","schema_version":"1.0","event_id":"sha256:65e9354f7d1372069894e9d3aa50c1e0867a46bf313aa311cb1471eb22790ed4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:NYTSHCYS6D6QWDCXDJOM5KR3GG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interacting Modified Variable Chaplygin Gas in Non-flat Universe","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Mubasher Jamil, Muneer A. Rashid","submitted_at":"2008-02-08T13:15:14Z","abstract_excerpt":"A unified model of dark energy and matter is presented using the modified variable Chaplygin gas for interacting dark energy in a non-flat universe. The two entities interact with each other non-gravitationally which involves a coupling constant. Due to dynamic interaction, the variation in this constant arises that henceforth changes the equations of state of these quantities. We have derived the effective equations of state corresponding to matter and dark energy in this interacting model. Moreover, the case of phantom energy is deduced by putting constraints on the parameters involved."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.1146","kind":"arxiv","version":5},"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/0802.1146/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":"2026-07-04T15:34:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eB2xUCttv0s9DDiYA4k83m7z1wOohNyZ5nZrHf8buR0/KrNxugcSC/nDBcGlBTCIXUvVpKB4nBQcxlGOK9FdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:06:41.470477Z"},"content_sha256":"f5aa504d58e7caadd54b27ae27c7516c5567025be3c9692cf036ff76f7759836","schema_version":"1.0","event_id":"sha256:f5aa504d58e7caadd54b27ae27c7516c5567025be3c9692cf036ff76f7759836"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG/bundle.json","state_url":"https://pith.science/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG/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":"2026-07-05T10:06:41Z","links":{"resolver":"https://pith.science/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG","bundle":"https://pith.science/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG/bundle.json","state":"https://pith.science/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NYTSHCYS6D6QWDCXDJOM5KR3GG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:NYTSHCYS6D6QWDCXDJOM5KR3GG","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":"03e0119803d8564beb2f1d322763b44c4a311621a82f39be90a883819a7bc608","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-08T13:15:14Z","title_canon_sha256":"2f77fa4c81b69d75a1f69ed5defa48e1646364edce06710cf634fa971392ba06"},"schema_version":"1.0","source":{"id":"0802.1146","kind":"arxiv","version":5}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0802.1146","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"arxiv_version","alias_value":"0802.1146v5","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0802.1146","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"pith_short_12","alias_value":"NYTSHCYS6D6Q","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"pith_short_16","alias_value":"NYTSHCYS6D6QWDCX","created_at":"2026-07-04T15:34:02Z"},{"alias_kind":"pith_short_8","alias_value":"NYTSHCYS","created_at":"2026-07-04T15:34:02Z"}],"graph_snapshots":[{"event_id":"sha256:f5aa504d58e7caadd54b27ae27c7516c5567025be3c9692cf036ff76f7759836","target":"graph","created_at":"2026-07-04T15:34:02Z","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/0802.1146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A unified model of dark energy and matter is presented using the modified variable Chaplygin gas for interacting dark energy in a non-flat universe. The two entities interact with each other non-gravitationally which involves a coupling constant. Due to dynamic interaction, the variation in this constant arises that henceforth changes the equations of state of these quantities. We have derived the effective equations of state corresponding to matter and dark energy in this interacting model. Moreover, the case of phantom energy is deduced by putting constraints on the parameters involved.","authors_text":"Mubasher Jamil, Muneer A. Rashid","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-08T13:15:14Z","title":"Interacting Modified Variable Chaplygin Gas in Non-flat Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0802.1146","kind":"arxiv","version":5},"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":"sha256:65e9354f7d1372069894e9d3aa50c1e0867a46bf313aa311cb1471eb22790ed4","target":"record","created_at":"2026-07-04T15:34:02Z","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":"03e0119803d8564beb2f1d322763b44c4a311621a82f39be90a883819a7bc608","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-02-08T13:15:14Z","title_canon_sha256":"2f77fa4c81b69d75a1f69ed5defa48e1646364edce06710cf634fa971392ba06"},"schema_version":"1.0","source":{"id":"0802.1146","kind":"arxiv","version":5}},"canonical_sha256":"6e27238b12f0fd0b0c571a5cceaa3b31b5e57dbea0422593736ebfc3ad894865","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6e27238b12f0fd0b0c571a5cceaa3b31b5e57dbea0422593736ebfc3ad894865","first_computed_at":"2026-07-04T15:34:02.332738Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:34:02.332738Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"G6hKjQC/98XD+4U0SnywfwA7wxSkw1CtZEqg5FjgbZXu8ubOzlOeieTJxBdV0uU3CsqEvw1qWU1Cjlh8TPcVAw==","signature_status":"signed_v1","signed_at":"2026-07-04T15:34:02.333129Z","signed_message":"canonical_sha256_bytes"},"source_id":"0802.1146","source_kind":"arxiv","source_version":5}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:65e9354f7d1372069894e9d3aa50c1e0867a46bf313aa311cb1471eb22790ed4","sha256:f5aa504d58e7caadd54b27ae27c7516c5567025be3c9692cf036ff76f7759836"],"state_sha256":"fcd3fdb62ec4fd899603c836523e6a1d2610de05f59c3f7a89a6c02a4bc8ce9f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1lZEYYA9u1vJSilWXAIms1MztZvFAltA5aMG3varYug+xfEFqMx0zpgphRGRjiAta0mEly+AXxBXYPY1Bh3oCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T10:06:41.472425Z","bundle_sha256":"fcc7c4cad0aee2a1df4bd0bca15f642c5925781de7eef2026ca3a0e53f9deb2a"}}