{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:WXVIAQ4EJ7QDXFRXNDJK7V3DWX","short_pith_number":"pith:WXVIAQ4E","canonical_record":{"source":{"id":"2207.09079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-19T05:28:28Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a1d67597063c4e1c89ae158c94f5a46f7f320dd4f3f39c8ed0222e2e90ae073a","abstract_canon_sha256":"4671680b876d3812b5520bd4a5bce260174237322c0b9f53bf596935c296d445"},"schema_version":"1.0"},"canonical_sha256":"b5ea8043844fe03b963768d2afd763b5dca755bc8df56fb281509333f02fb42c","source":{"kind":"arxiv","id":"2207.09079","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09079","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09079v1","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09079","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"pith_short_12","alias_value":"WXVIAQ4EJ7QD","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"pith_short_16","alias_value":"WXVIAQ4EJ7QDXFRX","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"pith_short_8","alias_value":"WXVIAQ4E","created_at":"2026-07-05T06:52:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:WXVIAQ4EJ7QDXFRXNDJK7V3DWX","target":"record","payload":{"canonical_record":{"source":{"id":"2207.09079","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-19T05:28:28Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a1d67597063c4e1c89ae158c94f5a46f7f320dd4f3f39c8ed0222e2e90ae073a","abstract_canon_sha256":"4671680b876d3812b5520bd4a5bce260174237322c0b9f53bf596935c296d445"},"schema_version":"1.0"},"canonical_sha256":"b5ea8043844fe03b963768d2afd763b5dca755bc8df56fb281509333f02fb42c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:52:00.283720Z","signature_b64":"jsr0esq5nZ7XC5YhoEZGoxaDGDOrB2CjuV/TlditlezfCCUPfFTkZgHwcIueyNXJ7ZYPNx9V9lJE0c1g0mw4BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5ea8043844fe03b963768d2afd763b5dca755bc8df56fb281509333f02fb42c","last_reissued_at":"2026-07-05T06:52:00.283310Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:52:00.283310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2207.09079","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":"2026-07-05T06:52:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OYy4e40pK73vLx0PnlILYgt1ozyZYb0OExJTxXhwIRMU7kr3PzpZy0bQx870YEyvdc93uV70Et5OEcb/MDQvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T02:19:57.904697Z"},"content_sha256":"44abb3037c34ea11d06767bed0661915f5ae1e68f54f5f506168a4bd3472928b","schema_version":"1.0","event_id":"sha256:44abb3037c34ea11d06767bed0661915f5ae1e68f54f5f506168a4bd3472928b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:WXVIAQ4EJ7QDXFRXNDJK7V3DWX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interacting Dark Energy: New parametrization and observational constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Arkajit Aich","submitted_at":"2022-07-19T05:28:28Z","abstract_excerpt":"We have re-investigated Cosmology involving interaction between Dark matter and Dark Energy in the light of a new parametrization. The new parametrization is based on the hypothesis that when Dark matter and Dark Energy will interact, Dark matter will dilute in a different manner than standard non-interacting scenario. We re-built the Cosmological equations with this new parametrization. Observational constraints on the traditional Cosmological parameters and new parameters has also been obtained by using supernova data from Pantheon and Hubble data. The parameter values obtained are $H_0$ = 6"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09079","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/2207.09079/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":"2026-07-05T06:52:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f4/8qLYSxHE6KGYYcE8RZEMe4aSJLOor1yeaZ5tdmOssTsPv4GQu0mE+YavhFYwTKdqpGrTxvh9skWQk2GCnCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T02:19:57.905223Z"},"content_sha256":"1673cbc8502ba24144f1b987f32b59678cb44ca9adedabefe3d6fd558f87c57a","schema_version":"1.0","event_id":"sha256:1673cbc8502ba24144f1b987f32b59678cb44ca9adedabefe3d6fd558f87c57a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX/bundle.json","state_url":"https://pith.science/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX/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":"2026-08-10T02:19:57Z","links":{"resolver":"https://pith.science/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX","bundle":"https://pith.science/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX/bundle.json","state":"https://pith.science/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WXVIAQ4EJ7QDXFRXNDJK7V3DWX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:WXVIAQ4EJ7QDXFRXNDJK7V3DWX","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":"4671680b876d3812b5520bd4a5bce260174237322c0b9f53bf596935c296d445","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-19T05:28:28Z","title_canon_sha256":"a1d67597063c4e1c89ae158c94f5a46f7f320dd4f3f39c8ed0222e2e90ae073a"},"schema_version":"1.0","source":{"id":"2207.09079","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2207.09079","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"arxiv_version","alias_value":"2207.09079v1","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2207.09079","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"pith_short_12","alias_value":"WXVIAQ4EJ7QD","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"pith_short_16","alias_value":"WXVIAQ4EJ7QDXFRX","created_at":"2026-07-05T06:52:00Z"},{"alias_kind":"pith_short_8","alias_value":"WXVIAQ4E","created_at":"2026-07-05T06:52:00Z"}],"graph_snapshots":[{"event_id":"sha256:1673cbc8502ba24144f1b987f32b59678cb44ca9adedabefe3d6fd558f87c57a","target":"graph","created_at":"2026-07-05T06:52:00Z","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/2207.09079/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have re-investigated Cosmology involving interaction between Dark matter and Dark Energy in the light of a new parametrization. The new parametrization is based on the hypothesis that when Dark matter and Dark Energy will interact, Dark matter will dilute in a different manner than standard non-interacting scenario. We re-built the Cosmological equations with this new parametrization. Observational constraints on the traditional Cosmological parameters and new parameters has also been obtained by using supernova data from Pantheon and Hubble data. The parameter values obtained are $H_0$ = 6","authors_text":"Arkajit Aich","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-19T05:28:28Z","title":"Interacting Dark Energy: New parametrization and observational constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2207.09079","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":"sha256:44abb3037c34ea11d06767bed0661915f5ae1e68f54f5f506168a4bd3472928b","target":"record","created_at":"2026-07-05T06:52:00Z","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":"4671680b876d3812b5520bd4a5bce260174237322c0b9f53bf596935c296d445","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2022-07-19T05:28:28Z","title_canon_sha256":"a1d67597063c4e1c89ae158c94f5a46f7f320dd4f3f39c8ed0222e2e90ae073a"},"schema_version":"1.0","source":{"id":"2207.09079","kind":"arxiv","version":1}},"canonical_sha256":"b5ea8043844fe03b963768d2afd763b5dca755bc8df56fb281509333f02fb42c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5ea8043844fe03b963768d2afd763b5dca755bc8df56fb281509333f02fb42c","first_computed_at":"2026-07-05T06:52:00.283310Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:52:00.283310Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"jsr0esq5nZ7XC5YhoEZGoxaDGDOrB2CjuV/TlditlezfCCUPfFTkZgHwcIueyNXJ7ZYPNx9V9lJE0c1g0mw4BA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:52:00.283720Z","signed_message":"canonical_sha256_bytes"},"source_id":"2207.09079","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44abb3037c34ea11d06767bed0661915f5ae1e68f54f5f506168a4bd3472928b","sha256:1673cbc8502ba24144f1b987f32b59678cb44ca9adedabefe3d6fd558f87c57a"],"state_sha256":"06833b4c388ebcd70f429224c96c58d1979d9a6abaf9241ac22799c0d3ded580"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MolXd+8yHvFn1XsedxOzO+zUsxEbNEC2hy/aTK00GC5bW3618UQfRhW91E6tOQ6D7JQFDNYZ1zckvo5dqcO7BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T02:19:57.910997Z","bundle_sha256":"16422ed6f4a4e1886ee3b164b8d386340bc872ed1aa71fe448746b9e7082da9c"}}