{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:Z7HR4WK3NEWRDMIGQLIZMJHTEL","short_pith_number":"pith:Z7HR4WK3","canonical_record":{"source":{"id":"1906.09798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-24T09:11:16Z","cross_cats_sorted":["hep-th","physics.data-an"],"title_canon_sha256":"74f4f28c47440e720e299650a83a6904e1de871b01e7d92c2e5e94b220f4a2c4","abstract_canon_sha256":"39045825eb0b4f1735563deaa390852f95fa9fc60e8f1dba239259a3fc8c6cb0"},"schema_version":"1.0"},"canonical_sha256":"cfcf1e595b692d11b10682d19624f322d9a8a3d2f99ac7049083403e61937a02","source":{"kind":"arxiv","id":"1906.09798","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.09798","created_at":"2026-05-17T23:42:36Z"},{"alias_kind":"arxiv_version","alias_value":"1906.09798v1","created_at":"2026-05-17T23:42:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.09798","created_at":"2026-05-17T23:42:36Z"},{"alias_kind":"pith_short_12","alias_value":"Z7HR4WK3NEWR","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Z7HR4WK3NEWRDMIG","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Z7HR4WK3","created_at":"2026-05-18T12:33:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:Z7HR4WK3NEWRDMIGQLIZMJHTEL","target":"record","payload":{"canonical_record":{"source":{"id":"1906.09798","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-24T09:11:16Z","cross_cats_sorted":["hep-th","physics.data-an"],"title_canon_sha256":"74f4f28c47440e720e299650a83a6904e1de871b01e7d92c2e5e94b220f4a2c4","abstract_canon_sha256":"39045825eb0b4f1735563deaa390852f95fa9fc60e8f1dba239259a3fc8c6cb0"},"schema_version":"1.0"},"canonical_sha256":"cfcf1e595b692d11b10682d19624f322d9a8a3d2f99ac7049083403e61937a02","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:36.665096Z","signature_b64":"LkOgJdTC2mDkSvY1qV9g3GP85/hMV3AM32+ROlfHLRPLVhVhHQ9UYzvGIBEv7aBttiTF2fp22NSysM9Sid4NCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfcf1e595b692d11b10682d19624f322d9a8a3d2f99ac7049083403e61937a02","last_reissued_at":"2026-05-17T23:42:36.664349Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:36.664349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.09798","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":"2026-05-17T23:42:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GuXzbPO4/RhHFYvGTbDDNprwluzkPFpVACTKP4NebXynIqjqGm5A2lWrd5pQz9CAkMaEgjwN3vpEEnPf1yFeDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:06:55.039743Z"},"content_sha256":"61e55005be1707ca8e53bda12a49c9e040b52e6882ec0c2351985377a1c0ebb8","schema_version":"1.0","event_id":"sha256:61e55005be1707ca8e53bda12a49c9e040b52e6882ec0c2351985377a1c0ebb8"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:Z7HR4WK3NEWRDMIGQLIZMJHTEL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Investigating Dark Matter and MOND Models with Galactic Rotation Curve Data: Analysing the Gas-Dominated Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","physics.data-an"],"primary_cat":"astro-ph.GA","authors_text":"Jonas Petersen","submitted_at":"2019-06-24T09:11:16Z","abstract_excerpt":"In this study the geometry of gas dominated galaxies in the SPARC database is analyzed in a normalized $(g_{bar},g_{obs})$-space ($g2$-space), where $g_{obs}$ is the observed centripetal acceleration and $g_{bar}$ is the centripetal acceleration as obtained from the observed baryonic matter via Newtonian dynamics. The normalization of $g2$-space significantly reduce the effect of both random and systematic uncertainties as well as enable a comparison of the geometries of different galaxies. Analyzing the gas-dominated galaxies (as opposed to other galaxies) further suppress the impact of the m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.09798","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":"2026-05-17T23:42:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VwVC/ZazQfYl+du92MXkAmCH6MmR8l7FTGJkdW8un8VvMgyWAlfHm5UHJgagKazPxO2Dvubcn3GaS1BC4adQCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T23:06:55.040294Z"},"content_sha256":"32a6f3722d1ee53d0fd03a09e31ed32489a243f00f998c5126b5955ab2a615fe","schema_version":"1.0","event_id":"sha256:32a6f3722d1ee53d0fd03a09e31ed32489a243f00f998c5126b5955ab2a615fe"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL/bundle.json","state_url":"https://pith.science/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL/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":"2026-05-25T23:06:55Z","links":{"resolver":"https://pith.science/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL","bundle":"https://pith.science/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL/bundle.json","state":"https://pith.science/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Z7HR4WK3NEWRDMIGQLIZMJHTEL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:Z7HR4WK3NEWRDMIGQLIZMJHTEL","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":"39045825eb0b4f1735563deaa390852f95fa9fc60e8f1dba239259a3fc8c6cb0","cross_cats_sorted":["hep-th","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-24T09:11:16Z","title_canon_sha256":"74f4f28c47440e720e299650a83a6904e1de871b01e7d92c2e5e94b220f4a2c4"},"schema_version":"1.0","source":{"id":"1906.09798","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.09798","created_at":"2026-05-17T23:42:36Z"},{"alias_kind":"arxiv_version","alias_value":"1906.09798v1","created_at":"2026-05-17T23:42:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.09798","created_at":"2026-05-17T23:42:36Z"},{"alias_kind":"pith_short_12","alias_value":"Z7HR4WK3NEWR","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_16","alias_value":"Z7HR4WK3NEWRDMIG","created_at":"2026-05-18T12:33:33Z"},{"alias_kind":"pith_short_8","alias_value":"Z7HR4WK3","created_at":"2026-05-18T12:33:33Z"}],"graph_snapshots":[{"event_id":"sha256:32a6f3722d1ee53d0fd03a09e31ed32489a243f00f998c5126b5955ab2a615fe","target":"graph","created_at":"2026-05-17T23:42:36Z","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 study the geometry of gas dominated galaxies in the SPARC database is analyzed in a normalized $(g_{bar},g_{obs})$-space ($g2$-space), where $g_{obs}$ is the observed centripetal acceleration and $g_{bar}$ is the centripetal acceleration as obtained from the observed baryonic matter via Newtonian dynamics. The normalization of $g2$-space significantly reduce the effect of both random and systematic uncertainties as well as enable a comparison of the geometries of different galaxies. Analyzing the gas-dominated galaxies (as opposed to other galaxies) further suppress the impact of the m","authors_text":"Jonas Petersen","cross_cats":["hep-th","physics.data-an"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-24T09:11:16Z","title":"Investigating Dark Matter and MOND Models with Galactic Rotation Curve Data: Analysing the Gas-Dominated Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.09798","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":"sha256:61e55005be1707ca8e53bda12a49c9e040b52e6882ec0c2351985377a1c0ebb8","target":"record","created_at":"2026-05-17T23:42:36Z","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":"39045825eb0b4f1735563deaa390852f95fa9fc60e8f1dba239259a3fc8c6cb0","cross_cats_sorted":["hep-th","physics.data-an"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-06-24T09:11:16Z","title_canon_sha256":"74f4f28c47440e720e299650a83a6904e1de871b01e7d92c2e5e94b220f4a2c4"},"schema_version":"1.0","source":{"id":"1906.09798","kind":"arxiv","version":1}},"canonical_sha256":"cfcf1e595b692d11b10682d19624f322d9a8a3d2f99ac7049083403e61937a02","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cfcf1e595b692d11b10682d19624f322d9a8a3d2f99ac7049083403e61937a02","first_computed_at":"2026-05-17T23:42:36.664349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:36.664349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LkOgJdTC2mDkSvY1qV9g3GP85/hMV3AM32+ROlfHLRPLVhVhHQ9UYzvGIBEv7aBttiTF2fp22NSysM9Sid4NCA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:36.665096Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.09798","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:61e55005be1707ca8e53bda12a49c9e040b52e6882ec0c2351985377a1c0ebb8","sha256:32a6f3722d1ee53d0fd03a09e31ed32489a243f00f998c5126b5955ab2a615fe"],"state_sha256":"c876fe0c53852dd0e38e1c428db8cf321fb5e812bc1fd247d340b7ca9d348ca5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7H4TJg9GBYCWn4OBmU8DTQdFjMHZ09Z61iTAhbEA3VmJyXXQrAd/QwqeWIeWNlklisY9KPaWiV/H1yF+OnMxCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T23:06:55.043852Z","bundle_sha256":"92b61faf2eed865205850f77677ef16cb913838648e23ed82b01c2a181a86851"}}