{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VNUHLQWFEB7MRZV7EGDHQDIKHX","short_pith_number":"pith:VNUHLQWF","canonical_record":{"source":{"id":"1502.07817","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-02-27T05:35:06Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"f3b8eb39e32a89180fb239312fcac0482e05052e33ae061b143d0d6bed66bc85","abstract_canon_sha256":"d8e11e3506c133679aacf682232e0d9a32794234a8cfe9054cce7190aaf0894d"},"schema_version":"1.0"},"canonical_sha256":"ab6875c2c5207ec8e6bf2186780d0a3dfe171b6363e5873a8aea68468573febb","source":{"kind":"arxiv","id":"1502.07817","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.07817","created_at":"2026-05-18T01:59:53Z"},{"alias_kind":"arxiv_version","alias_value":"1502.07817v2","created_at":"2026-05-18T01:59:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07817","created_at":"2026-05-18T01:59:53Z"},{"alias_kind":"pith_short_12","alias_value":"VNUHLQWFEB7M","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VNUHLQWFEB7MRZV7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VNUHLQWF","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VNUHLQWFEB7MRZV7EGDHQDIKHX","target":"record","payload":{"canonical_record":{"source":{"id":"1502.07817","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-02-27T05:35:06Z","cross_cats_sorted":["astro-ph.CO","hep-ph"],"title_canon_sha256":"f3b8eb39e32a89180fb239312fcac0482e05052e33ae061b143d0d6bed66bc85","abstract_canon_sha256":"d8e11e3506c133679aacf682232e0d9a32794234a8cfe9054cce7190aaf0894d"},"schema_version":"1.0"},"canonical_sha256":"ab6875c2c5207ec8e6bf2186780d0a3dfe171b6363e5873a8aea68468573febb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:59:53.334857Z","signature_b64":"5uV8Vaw9V92uSRRfrWZxzv4sbVepfHsQVf7yYg7PPM4RPZkQ5Zoa1zve3B6poqFoHcdxgKdOjEgES5qMmSeYBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ab6875c2c5207ec8e6bf2186780d0a3dfe171b6363e5873a8aea68468573febb","last_reissued_at":"2026-05-18T01:59:53.334362Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:59:53.334362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.07817","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:59:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J+ego1GsDd6sdPj7LGSABFM01jJSTu8gdh1HAPUt8A+VpINzTTWgjqKOSD0NVJsg7l9D4gKgdFLyYBfDGRTwCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:06:27.834973Z"},"content_sha256":"a48dfc937130025358cb6d91d631b01690565cd224dbd22c64174b2d6ae7024b","schema_version":"1.0","event_id":"sha256:a48dfc937130025358cb6d91d631b01690565cd224dbd22c64174b2d6ae7024b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VNUHLQWFEB7MRZV7EGDHQDIKHX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Dissipative dark matter explains rotation curves","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","hep-ph"],"primary_cat":"astro-ph.GA","authors_text":"R. Foot","submitted_at":"2015-02-27T05:35:06Z","abstract_excerpt":"Dissipative dark matter, where dark matter particles interact with a massless (or very light) boson, is studied. Such dark matter can arise in simple hidden sector gauge models, including those featuring an unbroken $U(1)'$ gauge symmetry, leading to a dark photon. Previous work has shown that such models can not only explain the LSS and CMB, but potentially also dark matter phenomena on small scales, such as the inferred cored structure of dark matter halos. In this picture, dark matter halos of disk galaxies not only cool via dissipative interactions but are also heated via ordinary supernov"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07817","kind":"arxiv","version":2},"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":"2026-05-18T01:59:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z5QctkbZb8hHbu/lLyf7+6Tf5xjEcGFtGoNGWlBvrDMfvP2hOol+d0QrD1FvL65kXsVZebd1qWuYUJyxCrV/Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:06:27.835671Z"},"content_sha256":"2d7e06fc7808b9adb853f6000e3b8710e3e9c8000b723f25ae0aaf85ccd8ca96","schema_version":"1.0","event_id":"sha256:2d7e06fc7808b9adb853f6000e3b8710e3e9c8000b723f25ae0aaf85ccd8ca96"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX/bundle.json","state_url":"https://pith.science/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX/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":"2026-06-05T11:06:27Z","links":{"resolver":"https://pith.science/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX","bundle":"https://pith.science/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX/bundle.json","state":"https://pith.science/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VNUHLQWFEB7MRZV7EGDHQDIKHX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VNUHLQWFEB7MRZV7EGDHQDIKHX","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":"d8e11e3506c133679aacf682232e0d9a32794234a8cfe9054cce7190aaf0894d","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-02-27T05:35:06Z","title_canon_sha256":"f3b8eb39e32a89180fb239312fcac0482e05052e33ae061b143d0d6bed66bc85"},"schema_version":"1.0","source":{"id":"1502.07817","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.07817","created_at":"2026-05-18T01:59:53Z"},{"alias_kind":"arxiv_version","alias_value":"1502.07817v2","created_at":"2026-05-18T01:59:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07817","created_at":"2026-05-18T01:59:53Z"},{"alias_kind":"pith_short_12","alias_value":"VNUHLQWFEB7M","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VNUHLQWFEB7MRZV7","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VNUHLQWF","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:2d7e06fc7808b9adb853f6000e3b8710e3e9c8000b723f25ae0aaf85ccd8ca96","target":"graph","created_at":"2026-05-18T01:59:53Z","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":"Dissipative dark matter, where dark matter particles interact with a massless (or very light) boson, is studied. Such dark matter can arise in simple hidden sector gauge models, including those featuring an unbroken $U(1)'$ gauge symmetry, leading to a dark photon. Previous work has shown that such models can not only explain the LSS and CMB, but potentially also dark matter phenomena on small scales, such as the inferred cored structure of dark matter halos. In this picture, dark matter halos of disk galaxies not only cool via dissipative interactions but are also heated via ordinary supernov","authors_text":"R. Foot","cross_cats":["astro-ph.CO","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-02-27T05:35:06Z","title":"Dissipative dark matter explains rotation curves"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07817","kind":"arxiv","version":2},"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:a48dfc937130025358cb6d91d631b01690565cd224dbd22c64174b2d6ae7024b","target":"record","created_at":"2026-05-18T01:59:53Z","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":"d8e11e3506c133679aacf682232e0d9a32794234a8cfe9054cce7190aaf0894d","cross_cats_sorted":["astro-ph.CO","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-02-27T05:35:06Z","title_canon_sha256":"f3b8eb39e32a89180fb239312fcac0482e05052e33ae061b143d0d6bed66bc85"},"schema_version":"1.0","source":{"id":"1502.07817","kind":"arxiv","version":2}},"canonical_sha256":"ab6875c2c5207ec8e6bf2186780d0a3dfe171b6363e5873a8aea68468573febb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ab6875c2c5207ec8e6bf2186780d0a3dfe171b6363e5873a8aea68468573febb","first_computed_at":"2026-05-18T01:59:53.334362Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:59:53.334362Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5uV8Vaw9V92uSRRfrWZxzv4sbVepfHsQVf7yYg7PPM4RPZkQ5Zoa1zve3B6poqFoHcdxgKdOjEgES5qMmSeYBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:59:53.334857Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.07817","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a48dfc937130025358cb6d91d631b01690565cd224dbd22c64174b2d6ae7024b","sha256:2d7e06fc7808b9adb853f6000e3b8710e3e9c8000b723f25ae0aaf85ccd8ca96"],"state_sha256":"472e88bca0499523bac837ab9b5826be4f13741038dda78d5930a6212ed6500a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NRz1Zcceib1pMg+bzJZhgNcvC0nHew1iKP0nWDVJrjuTfkl+dVlH/bQLW1KK0WNvhxCp+6hANcnAkOLaZzmgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T11:06:27.837571Z","bundle_sha256":"7c138e0b16cc95ed95dc6304fccf7499aa1e09d39ee154f2d0dc0b8cffc6a955"}}