{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:BU74T2XF7BMRZRJNT7SPOFHM7P","short_pith_number":"pith:BU74T2XF","canonical_record":{"source":{"id":"1510.07206","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-25T04:53:46Z","cross_cats_sorted":[],"title_canon_sha256":"1dc04406c45781828bb2c36956a92ceda0af9c81dd2b4afdfc1974f6a1db299f","abstract_canon_sha256":"e526a22b3b343e5d36f6bfcd70ee4c74dbe2c8f27feb8bee08f989034ed69b69"},"schema_version":"1.0"},"canonical_sha256":"0d3fc9eae5f8591cc52d9fe4f714ecfbea1f9954098e39e56ca00f1842663f13","source":{"kind":"arxiv","id":"1510.07206","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07206","created_at":"2026-05-18T01:26:09Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07206v1","created_at":"2026-05-18T01:26:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07206","created_at":"2026-05-18T01:26:09Z"},{"alias_kind":"pith_short_12","alias_value":"BU74T2XF7BMR","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BU74T2XF7BMRZRJN","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BU74T2XF","created_at":"2026-05-18T12:29:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:BU74T2XF7BMRZRJNT7SPOFHM7P","target":"record","payload":{"canonical_record":{"source":{"id":"1510.07206","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-25T04:53:46Z","cross_cats_sorted":[],"title_canon_sha256":"1dc04406c45781828bb2c36956a92ceda0af9c81dd2b4afdfc1974f6a1db299f","abstract_canon_sha256":"e526a22b3b343e5d36f6bfcd70ee4c74dbe2c8f27feb8bee08f989034ed69b69"},"schema_version":"1.0"},"canonical_sha256":"0d3fc9eae5f8591cc52d9fe4f714ecfbea1f9954098e39e56ca00f1842663f13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:26:09.282409Z","signature_b64":"X8QqZSn04RcvQRZ/Ph+57bBPuOOAzi2/WYxscUrMR1NLlo+w+HftkrBeP2So7F8jN+RFYyLafHXbZOwkFKPRBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0d3fc9eae5f8591cc52d9fe4f714ecfbea1f9954098e39e56ca00f1842663f13","last_reissued_at":"2026-05-18T01:26:09.281841Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:26:09.281841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1510.07206","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":"2026-05-18T01:26:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Rb4QbJ1CtFuu37ccjP42Y+6XfLDiBWL+rDtfyUT6pv2ndXKCmy9NFsK5b8YrMOHAa4/fT3AhPHVU7CxJgRP3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:49:08.621426Z"},"content_sha256":"1fdb10e3325e9ad915500e6d4fcc167f8a2777d56b33325d2b4634c05546c7d0","schema_version":"1.0","event_id":"sha256:1fdb10e3325e9ad915500e6d4fcc167f8a2777d56b33325d2b4634c05546c7d0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:BU74T2XF7BMRZRJNT7SPOFHM7P","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Kinematics of dwarf galaxies in gas-rich groups, and the survival and detectability of tidal dwarf galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Fiona Audcent-Ross, Gerhardt Meurer, Holger Baumgardt, Kenji Bekki, Michael J. Drinkwater, Sarah M. Sweet, Virginia Kilborn","submitted_at":"2015-10-25T04:53:46Z","abstract_excerpt":"We present DEIMOS multi-object spectroscopy (MOS) of 22 star-forming dwarf galaxies located in four gas-rich groups, including six newly-discovered dwarfs. Two of the galaxies are strong tidal dwarf galaxy (TDG) candidates based on our luminosity-metallicity relation definition. We model the rotation curves of these galaxies. Our sample shows low mass-to-light ratios (M/L=0.73$\\pm0.39M_\\odot/L_\\odot$) as expected for young, star-forming dwarfs. One of the galaxies in our sample has an apparently strongly-falling rotation curve, reaching zero rotational velocity outside the turnover radius of $"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07206","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":"2026-05-18T01:26:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NrSvZdjCyU5rU8y3QGvW/Vu8Qz4UBdPFx7jYOo4JSi6WQo1OFRoMzjdu4L4q7bIsQ7a4/wn57XDBNeCdmCSBBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T17:49:08.621824Z"},"content_sha256":"e6142e8be40b92b631b9f91056ffb352de2fe71f89821d7afdbb923b1b22ae40","schema_version":"1.0","event_id":"sha256:e6142e8be40b92b631b9f91056ffb352de2fe71f89821d7afdbb923b1b22ae40"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BU74T2XF7BMRZRJNT7SPOFHM7P/bundle.json","state_url":"https://pith.science/pith/BU74T2XF7BMRZRJNT7SPOFHM7P/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BU74T2XF7BMRZRJNT7SPOFHM7P/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":"2026-05-19T17:49:08Z","links":{"resolver":"https://pith.science/pith/BU74T2XF7BMRZRJNT7SPOFHM7P","bundle":"https://pith.science/pith/BU74T2XF7BMRZRJNT7SPOFHM7P/bundle.json","state":"https://pith.science/pith/BU74T2XF7BMRZRJNT7SPOFHM7P/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BU74T2XF7BMRZRJNT7SPOFHM7P/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:BU74T2XF7BMRZRJNT7SPOFHM7P","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":"e526a22b3b343e5d36f6bfcd70ee4c74dbe2c8f27feb8bee08f989034ed69b69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-25T04:53:46Z","title_canon_sha256":"1dc04406c45781828bb2c36956a92ceda0af9c81dd2b4afdfc1974f6a1db299f"},"schema_version":"1.0","source":{"id":"1510.07206","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1510.07206","created_at":"2026-05-18T01:26:09Z"},{"alias_kind":"arxiv_version","alias_value":"1510.07206v1","created_at":"2026-05-18T01:26:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1510.07206","created_at":"2026-05-18T01:26:09Z"},{"alias_kind":"pith_short_12","alias_value":"BU74T2XF7BMR","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_16","alias_value":"BU74T2XF7BMRZRJN","created_at":"2026-05-18T12:29:14Z"},{"alias_kind":"pith_short_8","alias_value":"BU74T2XF","created_at":"2026-05-18T12:29:14Z"}],"graph_snapshots":[{"event_id":"sha256:e6142e8be40b92b631b9f91056ffb352de2fe71f89821d7afdbb923b1b22ae40","target":"graph","created_at":"2026-05-18T01:26:09Z","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"},"paper":{"abstract_excerpt":"We present DEIMOS multi-object spectroscopy (MOS) of 22 star-forming dwarf galaxies located in four gas-rich groups, including six newly-discovered dwarfs. Two of the galaxies are strong tidal dwarf galaxy (TDG) candidates based on our luminosity-metallicity relation definition. We model the rotation curves of these galaxies. Our sample shows low mass-to-light ratios (M/L=0.73$\\pm0.39M_\\odot/L_\\odot$) as expected for young, star-forming dwarfs. One of the galaxies in our sample has an apparently strongly-falling rotation curve, reaching zero rotational velocity outside the turnover radius of $","authors_text":"Fiona Audcent-Ross, Gerhardt Meurer, Holger Baumgardt, Kenji Bekki, Michael J. Drinkwater, Sarah M. Sweet, Virginia Kilborn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-25T04:53:46Z","title":"Kinematics of dwarf galaxies in gas-rich groups, and the survival and detectability of tidal dwarf galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1510.07206","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":"sha256:1fdb10e3325e9ad915500e6d4fcc167f8a2777d56b33325d2b4634c05546c7d0","target":"record","created_at":"2026-05-18T01:26:09Z","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":"e526a22b3b343e5d36f6bfcd70ee4c74dbe2c8f27feb8bee08f989034ed69b69","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-10-25T04:53:46Z","title_canon_sha256":"1dc04406c45781828bb2c36956a92ceda0af9c81dd2b4afdfc1974f6a1db299f"},"schema_version":"1.0","source":{"id":"1510.07206","kind":"arxiv","version":1}},"canonical_sha256":"0d3fc9eae5f8591cc52d9fe4f714ecfbea1f9954098e39e56ca00f1842663f13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0d3fc9eae5f8591cc52d9fe4f714ecfbea1f9954098e39e56ca00f1842663f13","first_computed_at":"2026-05-18T01:26:09.281841Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:26:09.281841Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"X8QqZSn04RcvQRZ/Ph+57bBPuOOAzi2/WYxscUrMR1NLlo+w+HftkrBeP2So7F8jN+RFYyLafHXbZOwkFKPRBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:26:09.282409Z","signed_message":"canonical_sha256_bytes"},"source_id":"1510.07206","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1fdb10e3325e9ad915500e6d4fcc167f8a2777d56b33325d2b4634c05546c7d0","sha256:e6142e8be40b92b631b9f91056ffb352de2fe71f89821d7afdbb923b1b22ae40"],"state_sha256":"1b8e86d9a6ef5eeb2b045726f2eb9f7f0d777fca8cb745be8a2e0dd4bf6fd216"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ueX0xriN5Rxz36RIZ2ny8w2FMC5GKIZT01TtOrHtjkQ1sChzEsAW/2T9IfDf6zJUclclRmm7G5bYlrmEVDI3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T17:49:08.624241Z","bundle_sha256":"febef9cf0ea5bf7b65b0ca6c06ff7b11291209935ff6ead882af75c52ebc9c3f"}}