{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GLYX6QGDGWKZWBNIXJL6GA2LWO","short_pith_number":"pith:GLYX6QGD","canonical_record":{"source":{"id":"1210.4637","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T06:41:13Z","cross_cats_sorted":[],"title_canon_sha256":"b918ea8a8154ab29e142f1df9387a9b07b62055ac9f18d4f21d68f62c765fccc","abstract_canon_sha256":"9ee8df4eb9c413b6077dc33999ab0cd6e8eb9cb4ea3063dc40c261c7e06b0954"},"schema_version":"1.0"},"canonical_sha256":"32f17f40c335959b05a8ba57e3034bb3ad4252355c853f21fbbe02f7b1cb4d3f","source":{"kind":"arxiv","id":"1210.4637","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4637","created_at":"2026-05-18T01:53:53Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4637v3","created_at":"2026-05-18T01:53:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4637","created_at":"2026-05-18T01:53:53Z"},{"alias_kind":"pith_short_12","alias_value":"GLYX6QGDGWKZ","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GLYX6QGDGWKZWBNI","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GLYX6QGD","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GLYX6QGDGWKZWBNIXJL6GA2LWO","target":"record","payload":{"canonical_record":{"source":{"id":"1210.4637","kind":"arxiv","version":3},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T06:41:13Z","cross_cats_sorted":[],"title_canon_sha256":"b918ea8a8154ab29e142f1df9387a9b07b62055ac9f18d4f21d68f62c765fccc","abstract_canon_sha256":"9ee8df4eb9c413b6077dc33999ab0cd6e8eb9cb4ea3063dc40c261c7e06b0954"},"schema_version":"1.0"},"canonical_sha256":"32f17f40c335959b05a8ba57e3034bb3ad4252355c853f21fbbe02f7b1cb4d3f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:53:53.763515Z","signature_b64":"nE471Xp4gZkXga+EtKeFg1lV7vLa1tsJ2UK7zVBCrHwAnSpE9W5u0oS77JSapdJch7j+CvkAEmdUEhPoR2PKCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"32f17f40c335959b05a8ba57e3034bb3ad4252355c853f21fbbe02f7b1cb4d3f","last_reissued_at":"2026-05-18T01:53:53.762875Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:53:53.762875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.4637","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:53:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dfOQDQjTHFJV9UChk8ez3IMc/hMdyydRI1fH0whYNYg843XBiOT82JiLvin3KSjCH3SbheAZrTxh8UuXY7YJDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:55:31.528282Z"},"content_sha256":"abd0a7abe7a8105e637d7fafb9c00eb8f49cb8741d8e5ab280378e4de3b377e2","schema_version":"1.0","event_id":"sha256:abd0a7abe7a8105e637d7fafb9c00eb8f49cb8741d8e5ab280378e4de3b377e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GLYX6QGDGWKZWBNIXJL6GA2LWO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interacting Two-Fluid Viscous Dark Energy Models In Non-Flat Universe","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Anirudh Pradhan, Hassan Amirhashchi, Hishamuddin Zainuddin","submitted_at":"2012-10-17T06:41:13Z","abstract_excerpt":"We study the evolution of the dark energy parameter within the scope of a spatially non-flat and isotropic Friedmann-Robertson-Walker (FRW) model filled with barotropic fluid and bulk viscous stresses. We have obtained cosmological solutions which exhibit without a big rip singularity. It is concluded that in both non-interacting and interacting cases non-flat open universe crosses the phantom region. We find that during the evolution of the universe, the equation of state (EoS) for dark energy $\\omega_{D}$ changes from $\\omega^{eff}_{D} < -1$ to $\\omega^{eff}_{D} > -1$, which is consistent wi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4637","kind":"arxiv","version":3},"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":"2026-05-18T01:53:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ge6mF4uifSck78DBmRGW61BRzxzhUA7pdpf5P5HDt/pMSrW/jakiy8UhCqpiGWHBLeQCWSyXEnsv/xL6OdzBDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T06:55:31.528745Z"},"content_sha256":"5253e5f69277fd70c6369503138cd0849afd122bfa73fe8397bf40b3d8e4848d","schema_version":"1.0","event_id":"sha256:5253e5f69277fd70c6369503138cd0849afd122bfa73fe8397bf40b3d8e4848d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO/bundle.json","state_url":"https://pith.science/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO/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":"2026-06-04T06:55:31Z","links":{"resolver":"https://pith.science/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO","bundle":"https://pith.science/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO/bundle.json","state":"https://pith.science/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GLYX6QGDGWKZWBNIXJL6GA2LWO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GLYX6QGDGWKZWBNIXJL6GA2LWO","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":"9ee8df4eb9c413b6077dc33999ab0cd6e8eb9cb4ea3063dc40c261c7e06b0954","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T06:41:13Z","title_canon_sha256":"b918ea8a8154ab29e142f1df9387a9b07b62055ac9f18d4f21d68f62c765fccc"},"schema_version":"1.0","source":{"id":"1210.4637","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.4637","created_at":"2026-05-18T01:53:53Z"},{"alias_kind":"arxiv_version","alias_value":"1210.4637v3","created_at":"2026-05-18T01:53:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.4637","created_at":"2026-05-18T01:53:53Z"},{"alias_kind":"pith_short_12","alias_value":"GLYX6QGDGWKZ","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GLYX6QGDGWKZWBNI","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GLYX6QGD","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:5253e5f69277fd70c6369503138cd0849afd122bfa73fe8397bf40b3d8e4848d","target":"graph","created_at":"2026-05-18T01:53:53Z","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":"We study the evolution of the dark energy parameter within the scope of a spatially non-flat and isotropic Friedmann-Robertson-Walker (FRW) model filled with barotropic fluid and bulk viscous stresses. We have obtained cosmological solutions which exhibit without a big rip singularity. It is concluded that in both non-interacting and interacting cases non-flat open universe crosses the phantom region. We find that during the evolution of the universe, the equation of state (EoS) for dark energy $\\omega_{D}$ changes from $\\omega^{eff}_{D} < -1$ to $\\omega^{eff}_{D} > -1$, which is consistent wi","authors_text":"Anirudh Pradhan, Hassan Amirhashchi, Hishamuddin Zainuddin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T06:41:13Z","title":"Interacting Two-Fluid Viscous Dark Energy Models In Non-Flat Universe"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.4637","kind":"arxiv","version":3},"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:abd0a7abe7a8105e637d7fafb9c00eb8f49cb8741d8e5ab280378e4de3b377e2","target":"record","created_at":"2026-05-18T01:53:53Z","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":"9ee8df4eb9c413b6077dc33999ab0cd6e8eb9cb4ea3063dc40c261c7e06b0954","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-10-17T06:41:13Z","title_canon_sha256":"b918ea8a8154ab29e142f1df9387a9b07b62055ac9f18d4f21d68f62c765fccc"},"schema_version":"1.0","source":{"id":"1210.4637","kind":"arxiv","version":3}},"canonical_sha256":"32f17f40c335959b05a8ba57e3034bb3ad4252355c853f21fbbe02f7b1cb4d3f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"32f17f40c335959b05a8ba57e3034bb3ad4252355c853f21fbbe02f7b1cb4d3f","first_computed_at":"2026-05-18T01:53:53.762875Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:53:53.762875Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nE471Xp4gZkXga+EtKeFg1lV7vLa1tsJ2UK7zVBCrHwAnSpE9W5u0oS77JSapdJch7j+CvkAEmdUEhPoR2PKCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:53:53.763515Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.4637","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abd0a7abe7a8105e637d7fafb9c00eb8f49cb8741d8e5ab280378e4de3b377e2","sha256:5253e5f69277fd70c6369503138cd0849afd122bfa73fe8397bf40b3d8e4848d"],"state_sha256":"9b4be204f3d8c7f2abca39471d47de82d078d6ca36302129b91de472a57b9724"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T+OTGRDejuWx5aUCHAjG2kaWpcnDF4SMiQ5XpVGcfxYC4TmZRdxqkxVIOzoSzbpSwOUDm6NKffu8OtcDvAoLCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T06:55:31.531423Z","bundle_sha256":"4e13f86be0e60d8db192a4c9fd94c065e9061371ed10c93a371f8477717e12ff"}}