{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:P4FGCCDPDHMJJNL6532EA4RHFB","short_pith_number":"pith:P4FGCCDP","canonical_record":{"source":{"id":"1902.09629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-25T21:37:20Z","cross_cats_sorted":[],"title_canon_sha256":"f39d5ccab02ba96cdfa569f28f044f6bad65ef75f2ecf1f3238ff1fe626e02df","abstract_canon_sha256":"2d13d4e4c21c699d5810566449eabc5f20178d6980931bc0c08d63902716b020"},"schema_version":"1.0"},"canonical_sha256":"7f0a61086f19d894b57eeef4407227287ae8da83c1892caceec8f21f957af223","source":{"kind":"arxiv","id":"1902.09629","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09629","created_at":"2026-05-17T23:52:00Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09629v1","created_at":"2026-05-17T23:52:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09629","created_at":"2026-05-17T23:52:00Z"},{"alias_kind":"pith_short_12","alias_value":"P4FGCCDPDHMJ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"P4FGCCDPDHMJJNL6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"P4FGCCDP","created_at":"2026-05-18T12:33:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:P4FGCCDPDHMJJNL6532EA4RHFB","target":"record","payload":{"canonical_record":{"source":{"id":"1902.09629","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-25T21:37:20Z","cross_cats_sorted":[],"title_canon_sha256":"f39d5ccab02ba96cdfa569f28f044f6bad65ef75f2ecf1f3238ff1fe626e02df","abstract_canon_sha256":"2d13d4e4c21c699d5810566449eabc5f20178d6980931bc0c08d63902716b020"},"schema_version":"1.0"},"canonical_sha256":"7f0a61086f19d894b57eeef4407227287ae8da83c1892caceec8f21f957af223","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:52:00.934198Z","signature_b64":"fC6sLL0x/SzdiJmRIgsTcSoYcsRSaWxdmi0cg6OMD3bX7fuNmijkQH4J1tzHJVYXNbifJX+Vy3jkKgZBKWNhCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7f0a61086f19d894b57eeef4407227287ae8da83c1892caceec8f21f957af223","last_reissued_at":"2026-05-17T23:52:00.933711Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:52:00.933711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1902.09629","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":"2026-05-17T23:52:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sul5KmOPRHruBvIwC0PxUco4kuLUe4lNKEkR5IAPg+p7gcrG18PQy/JblQsyZD17HdmMFwVyI4eyh35zBFCACA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:10:57.033996Z"},"content_sha256":"1b35b454cc18dcdaa84f3d9bde0b0ff9a1eb4fa41c995700d7d4d9db4d0717e2","schema_version":"1.0","event_id":"sha256:1b35b454cc18dcdaa84f3d9bde0b0ff9a1eb4fa41c995700d7d4d9db4d0717e2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:P4FGCCDPDHMJJNL6532EA4RHFB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Dark Matter Distributions in Low-Mass Disk Galaxies. I. H$\\alpha$ Observations Using the Palomar Cosmic Web Imager","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alberto Bolatto, Andrew B. Newman, Christopher Martin, Joshua D. Simon, Leo Blitz, Nicole C. Relatores, Patrick Morrissey, Phuongmai Truong, Richard Ellis","submitted_at":"2019-02-25T21:37:20Z","abstract_excerpt":"Dark-matter-only simulations predict that dark matter halos have cusp-like inner density profiles, while observations of low-mass galaxies have found a range of inner slopes that are typically much shallower. It is still not well established whether this discrepancy can be explained by baryonic feedback or if it may require modified dark matter models. To better understand the diversity of dark matter profiles in dwarf galaxies, we undertook a survey of 26 low-mass galaxies ($\\log M_*/\\textrm{M}_\\odot = 8.4-9.8$, $v_{\\rm max} = 50-140$ km s$^{-1}$) within 30 Mpc using the Palomar Cosmic Web Im"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09629","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":"2026-05-17T23:52:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ALNydqCyOJwhAfV5rP4bZN71RNlWPS1pyXyj+550zvrs6vJr7cYGc5Hy9STEGV2EGWR8yn/hWFHeargG1+ZNAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T06:10:57.034361Z"},"content_sha256":"e88fa57218f8c8db1a84989953cb6c3477198bbb77871172bf9ef9487a13a68d","schema_version":"1.0","event_id":"sha256:e88fa57218f8c8db1a84989953cb6c3477198bbb77871172bf9ef9487a13a68d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/P4FGCCDPDHMJJNL6532EA4RHFB/bundle.json","state_url":"https://pith.science/pith/P4FGCCDPDHMJJNL6532EA4RHFB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/P4FGCCDPDHMJJNL6532EA4RHFB/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":"2026-05-30T06:10:57Z","links":{"resolver":"https://pith.science/pith/P4FGCCDPDHMJJNL6532EA4RHFB","bundle":"https://pith.science/pith/P4FGCCDPDHMJJNL6532EA4RHFB/bundle.json","state":"https://pith.science/pith/P4FGCCDPDHMJJNL6532EA4RHFB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/P4FGCCDPDHMJJNL6532EA4RHFB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:P4FGCCDPDHMJJNL6532EA4RHFB","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":"2d13d4e4c21c699d5810566449eabc5f20178d6980931bc0c08d63902716b020","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-25T21:37:20Z","title_canon_sha256":"f39d5ccab02ba96cdfa569f28f044f6bad65ef75f2ecf1f3238ff1fe626e02df"},"schema_version":"1.0","source":{"id":"1902.09629","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1902.09629","created_at":"2026-05-17T23:52:00Z"},{"alias_kind":"arxiv_version","alias_value":"1902.09629v1","created_at":"2026-05-17T23:52:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1902.09629","created_at":"2026-05-17T23:52:00Z"},{"alias_kind":"pith_short_12","alias_value":"P4FGCCDPDHMJ","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_16","alias_value":"P4FGCCDPDHMJJNL6","created_at":"2026-05-18T12:33:24Z"},{"alias_kind":"pith_short_8","alias_value":"P4FGCCDP","created_at":"2026-05-18T12:33:24Z"}],"graph_snapshots":[{"event_id":"sha256:e88fa57218f8c8db1a84989953cb6c3477198bbb77871172bf9ef9487a13a68d","target":"graph","created_at":"2026-05-17T23:52:00Z","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"},"paper":{"abstract_excerpt":"Dark-matter-only simulations predict that dark matter halos have cusp-like inner density profiles, while observations of low-mass galaxies have found a range of inner slopes that are typically much shallower. It is still not well established whether this discrepancy can be explained by baryonic feedback or if it may require modified dark matter models. To better understand the diversity of dark matter profiles in dwarf galaxies, we undertook a survey of 26 low-mass galaxies ($\\log M_*/\\textrm{M}_\\odot = 8.4-9.8$, $v_{\\rm max} = 50-140$ km s$^{-1}$) within 30 Mpc using the Palomar Cosmic Web Im","authors_text":"Alberto Bolatto, Andrew B. Newman, Christopher Martin, Joshua D. Simon, Leo Blitz, Nicole C. Relatores, Patrick Morrissey, Phuongmai Truong, Richard Ellis","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-25T21:37:20Z","title":"The Dark Matter Distributions in Low-Mass Disk Galaxies. I. H$\\alpha$ Observations Using the Palomar Cosmic Web Imager"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1902.09629","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":"sha256:1b35b454cc18dcdaa84f3d9bde0b0ff9a1eb4fa41c995700d7d4d9db4d0717e2","target":"record","created_at":"2026-05-17T23:52:00Z","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":"2d13d4e4c21c699d5810566449eabc5f20178d6980931bc0c08d63902716b020","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-02-25T21:37:20Z","title_canon_sha256":"f39d5ccab02ba96cdfa569f28f044f6bad65ef75f2ecf1f3238ff1fe626e02df"},"schema_version":"1.0","source":{"id":"1902.09629","kind":"arxiv","version":1}},"canonical_sha256":"7f0a61086f19d894b57eeef4407227287ae8da83c1892caceec8f21f957af223","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7f0a61086f19d894b57eeef4407227287ae8da83c1892caceec8f21f957af223","first_computed_at":"2026-05-17T23:52:00.933711Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:52:00.933711Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fC6sLL0x/SzdiJmRIgsTcSoYcsRSaWxdmi0cg6OMD3bX7fuNmijkQH4J1tzHJVYXNbifJX+Vy3jkKgZBKWNhCg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:52:00.934198Z","signed_message":"canonical_sha256_bytes"},"source_id":"1902.09629","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1b35b454cc18dcdaa84f3d9bde0b0ff9a1eb4fa41c995700d7d4d9db4d0717e2","sha256:e88fa57218f8c8db1a84989953cb6c3477198bbb77871172bf9ef9487a13a68d"],"state_sha256":"fc584784ea554b79987ca4b28488d71bbca141f7639157d65f8793112a73382a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HfQkC9H22fyP/atN99x/w1JK3r05GvimC0IDtv+sZ++4ygl8nAY/On6frZl/DegNdnXhru1SOPBbgoTkuj3TAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T06:10:57.036283Z","bundle_sha256":"11e44bcd05882773863d3bf16a87ae531aa644722b6ef4603c3e201b6e533e3b"}}