{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:O3T6L63PEBOGYGPR6M6NOL45M7","short_pith_number":"pith:O3T6L63P","canonical_record":{"source":{"id":"2304.00724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-03T05:39:01Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"360e00f5945406c7b2dd526b68604719fd8adc6dc31058c818e49dbfbf0f3862","abstract_canon_sha256":"613de1f28573f6cd0dbd03200ab3aba121f2241017757a1e0a96cee525d0c8f9"},"schema_version":"1.0"},"canonical_sha256":"76e7e5fb6f205c6c19f1f33cd72f9d67f46ca9bc1d899f56bcad43a147a7e948","source":{"kind":"arxiv","id":"2304.00724","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.00724","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"arxiv_version","alias_value":"2304.00724v1","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.00724","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_12","alias_value":"O3T6L63PEBOG","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_16","alias_value":"O3T6L63PEBOGYGPR","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_8","alias_value":"O3T6L63P","created_at":"2026-07-05T06:02:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:O3T6L63PEBOGYGPR6M6NOL45M7","target":"record","payload":{"canonical_record":{"source":{"id":"2304.00724","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-03T05:39:01Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"360e00f5945406c7b2dd526b68604719fd8adc6dc31058c818e49dbfbf0f3862","abstract_canon_sha256":"613de1f28573f6cd0dbd03200ab3aba121f2241017757a1e0a96cee525d0c8f9"},"schema_version":"1.0"},"canonical_sha256":"76e7e5fb6f205c6c19f1f33cd72f9d67f46ca9bc1d899f56bcad43a147a7e948","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:02:09.196978Z","signature_b64":"i/29F9yxV3hUivcF9mweC2Q4H1eEQ7FbR9W2s8bOOzNTx25NIpOFBX2fxKOwdqXAcS4LUUmbl/tV/CAQcVoSCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"76e7e5fb6f205c6c19f1f33cd72f9d67f46ca9bc1d899f56bcad43a147a7e948","last_reissued_at":"2026-07-05T06:02:09.196479Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:02:09.196479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2304.00724","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":"2026-07-05T06:02:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Zm8Yi5H/SiJjB8N3cKu7Y2Kjnvk9/JglhNt9OxTbglejs+lTkNOaxYILGRptmf5INPAkaJgO58pEkW5KpHqzBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T01:00:42.805774Z"},"content_sha256":"d1ad0fc81d1d1bfb8e37c8de4f1db1634567106f30b53e7b150cf2b8829c8c15","schema_version":"1.0","event_id":"sha256:d1ad0fc81d1d1bfb8e37c8de4f1db1634567106f30b53e7b150cf2b8829c8c15"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:O3T6L63PEBOGYGPR6M6NOL45M7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling Dark Matter Halo Spin using Observations and Simulations: application to UGC 5288","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"Mousumi Das, Sandeep Kumar Kataria, Sioree Ansar","submitted_at":"2023-04-03T05:39:01Z","abstract_excerpt":"Dark matter (DM) halo properties are extensively studied in cosmological simulations but are very challenging to estimate from observations. The DM halo density profile of observed galaxies is modelled using multiple probes that trace the dark matter potential. However, the angular momentum distribution of DM halos is still a subject of debate. In this study we investigate a method for estimating the halo spin and halo concentration of low surface brightness (LSB), gas-rich dwarf barred galaxy UGC 5288, by forward modelling disk properties derived from observations - stellar and gas surface de"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.00724","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/2304.00724/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":"2026-07-05T06:02:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BF5IdVgUgQfKvgUzYn3Z/scInu+0iwFYq0gHVCZHSDYIa32uLF9UrwxDI3EaWZMarI27BLB/jegFaAMUJMZWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T01:00:42.806281Z"},"content_sha256":"f113203a9a0ae44725b30abac3024da364b2013107264c8a5077efa0c2bedad7","schema_version":"1.0","event_id":"sha256:f113203a9a0ae44725b30abac3024da364b2013107264c8a5077efa0c2bedad7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O3T6L63PEBOGYGPR6M6NOL45M7/bundle.json","state_url":"https://pith.science/pith/O3T6L63PEBOGYGPR6M6NOL45M7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O3T6L63PEBOGYGPR6M6NOL45M7/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":"2026-08-23T01:00:42Z","links":{"resolver":"https://pith.science/pith/O3T6L63PEBOGYGPR6M6NOL45M7","bundle":"https://pith.science/pith/O3T6L63PEBOGYGPR6M6NOL45M7/bundle.json","state":"https://pith.science/pith/O3T6L63PEBOGYGPR6M6NOL45M7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O3T6L63PEBOGYGPR6M6NOL45M7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:O3T6L63PEBOGYGPR6M6NOL45M7","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":"613de1f28573f6cd0dbd03200ab3aba121f2241017757a1e0a96cee525d0c8f9","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-03T05:39:01Z","title_canon_sha256":"360e00f5945406c7b2dd526b68604719fd8adc6dc31058c818e49dbfbf0f3862"},"schema_version":"1.0","source":{"id":"2304.00724","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2304.00724","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"arxiv_version","alias_value":"2304.00724v1","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2304.00724","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_12","alias_value":"O3T6L63PEBOG","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_16","alias_value":"O3T6L63PEBOGYGPR","created_at":"2026-07-05T06:02:09Z"},{"alias_kind":"pith_short_8","alias_value":"O3T6L63P","created_at":"2026-07-05T06:02:09Z"}],"graph_snapshots":[{"event_id":"sha256:f113203a9a0ae44725b30abac3024da364b2013107264c8a5077efa0c2bedad7","target":"graph","created_at":"2026-07-05T06:02:09Z","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/2304.00724/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Dark matter (DM) halo properties are extensively studied in cosmological simulations but are very challenging to estimate from observations. The DM halo density profile of observed galaxies is modelled using multiple probes that trace the dark matter potential. However, the angular momentum distribution of DM halos is still a subject of debate. In this study we investigate a method for estimating the halo spin and halo concentration of low surface brightness (LSB), gas-rich dwarf barred galaxy UGC 5288, by forward modelling disk properties derived from observations - stellar and gas surface de","authors_text":"Mousumi Das, Sandeep Kumar Kataria, Sioree Ansar","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-03T05:39:01Z","title":"Modelling Dark Matter Halo Spin using Observations and Simulations: application to UGC 5288"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2304.00724","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:d1ad0fc81d1d1bfb8e37c8de4f1db1634567106f30b53e7b150cf2b8829c8c15","target":"record","created_at":"2026-07-05T06:02:09Z","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":"613de1f28573f6cd0dbd03200ab3aba121f2241017757a1e0a96cee525d0c8f9","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-04-03T05:39:01Z","title_canon_sha256":"360e00f5945406c7b2dd526b68604719fd8adc6dc31058c818e49dbfbf0f3862"},"schema_version":"1.0","source":{"id":"2304.00724","kind":"arxiv","version":1}},"canonical_sha256":"76e7e5fb6f205c6c19f1f33cd72f9d67f46ca9bc1d899f56bcad43a147a7e948","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"76e7e5fb6f205c6c19f1f33cd72f9d67f46ca9bc1d899f56bcad43a147a7e948","first_computed_at":"2026-07-05T06:02:09.196479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:02:09.196479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"i/29F9yxV3hUivcF9mweC2Q4H1eEQ7FbR9W2s8bOOzNTx25NIpOFBX2fxKOwdqXAcS4LUUmbl/tV/CAQcVoSCA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:02:09.196978Z","signed_message":"canonical_sha256_bytes"},"source_id":"2304.00724","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d1ad0fc81d1d1bfb8e37c8de4f1db1634567106f30b53e7b150cf2b8829c8c15","sha256:f113203a9a0ae44725b30abac3024da364b2013107264c8a5077efa0c2bedad7"],"state_sha256":"c8087469af5f4911e3f0d0f4f905da32e568cc1ebc22b172ea1016f2534b1b53"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ls91JkgwR7VR+nnXc329n++tKxkJ48MG5p3f2YN2QQpc29lq1aniD97Udc6LNNcoCaIiT0UhPANFz4WMN57NDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T01:00:42.810477Z","bundle_sha256":"d611b481ebeae0b4d8138afee4542ea296724db4fc582838e4b8b1a04871e648"}}