{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:HHSEBXIWF6JNZ5U3ATXUCKTX23","short_pith_number":"pith:HHSEBXIW","canonical_record":{"source":{"id":"1612.02827","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-08T21:00:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"c270faad7400ed48b05dacc0c05fba54ccbcabb130db8a960a480f40f9f71ab2","abstract_canon_sha256":"cac57257ad81ef97bac8b40e0e3b982e9f22eaa905db2029a4c0a1c34c0cdbdf"},"schema_version":"1.0"},"canonical_sha256":"39e440dd162f92dcf69b04ef412a77d6c17c57638a3a2dbdb72024abd7a09138","source":{"kind":"arxiv","id":"1612.02827","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02827","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02827v2","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02827","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"pith_short_12","alias_value":"HHSEBXIWF6JN","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HHSEBXIWF6JNZ5U3","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HHSEBXIW","created_at":"2026-05-18T12:30:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:HHSEBXIWF6JNZ5U3ATXUCKTX23","target":"record","payload":{"canonical_record":{"source":{"id":"1612.02827","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-08T21:00:06Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"c270faad7400ed48b05dacc0c05fba54ccbcabb130db8a960a480f40f9f71ab2","abstract_canon_sha256":"cac57257ad81ef97bac8b40e0e3b982e9f22eaa905db2029a4c0a1c34c0cdbdf"},"schema_version":"1.0"},"canonical_sha256":"39e440dd162f92dcf69b04ef412a77d6c17c57638a3a2dbdb72024abd7a09138","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:48:46.834128Z","signature_b64":"HyLS2bziyYrv8IUDNfKUDTX/TygsMu0BThxh+1zHHOpHM1Sq7XUqb2cwHqZbVaZjPhVkXgd+qhOj28x3QMaaAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"39e440dd162f92dcf69b04ef412a77d6c17c57638a3a2dbdb72024abd7a09138","last_reissued_at":"2026-05-18T00:48:46.833490Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:48:46.833490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1612.02827","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":"2026-05-18T00:48:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UqhrQkP3QVURDqz5g5+0XzKCgrBRxEu2NDrtY32AJOepPeuuZKGAwYp8lC/V1YiDOW7D0IEgp/o5JqCqPX9MBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:53:34.363161Z"},"content_sha256":"4dbd8d3da604a1ab0f38ab37eb702720b10a66c6ac0436732f93cdf88eb90ff3","schema_version":"1.0","event_id":"sha256:4dbd8d3da604a1ab0f38ab37eb702720b10a66c6ac0436732f93cdf88eb90ff3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:HHSEBXIWF6JNZ5U3ATXUCKTX23","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Velocity Segregation and Systematic Biases In Velocity Dispersion Estimates With the SPT-GMOS Spectroscopic Survey","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.CO","authors_text":"Alex Saro, Alfredo Zenteno, Antony A. Stark, Bradford A. Benson, Brian Stalder, Christopher W. Stubbs, David Rapetti, Esra Bulbul, I-Non Chiu, Jonathan Ruel, Kyle Zengo, Lindsey E. Bleem, Mark Brodwin, Matthew. B. Bayliss, Michael McDonald, Raffaella Capasso, Sebastian Bocquet, Veronica Strazzullo","submitted_at":"2016-12-08T21:00:06Z","abstract_excerpt":"The velocity distribution of galaxies in clusters is not universal; rather, galaxies are segregated according to their spectral type and relative luminosity. We examine the velocity distributions of different populations of galaxies within 89 Sunyaev Zel'dovich (SZ) selected galaxy clusters spanning $ 0.28 < z < 1.08$. Our sample is primarily draw from the SPT-GMOS spectroscopic survey, supplemented by additional published spectroscopy, resulting in a final spectroscopic sample of 4148 galaxy spectra---2868 cluster members. The velocity dispersion of star-forming cluster galaxies is $17\\pm4$% "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02827","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":"2026-05-18T00:48:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aGeHjwMgK0xLRuNOTvtV9+CinNErWqMu31RpEPi6HKqHh3ple1wovtzu3UkxiuJN5wxjuYpNnIXygHhmZYuSBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:53:34.363521Z"},"content_sha256":"0657f67d3ac289eb01022d75b45c9bb423ec02559b7036eda453b1ff36c4c908","schema_version":"1.0","event_id":"sha256:0657f67d3ac289eb01022d75b45c9bb423ec02559b7036eda453b1ff36c4c908"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23/bundle.json","state_url":"https://pith.science/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23/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":"2026-05-30T16:53:34Z","links":{"resolver":"https://pith.science/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23","bundle":"https://pith.science/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23/bundle.json","state":"https://pith.science/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23/state.json","well_known_bundle":"https://pith.science/.well-known/pith/HHSEBXIWF6JNZ5U3ATXUCKTX23/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:HHSEBXIWF6JNZ5U3ATXUCKTX23","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":"cac57257ad81ef97bac8b40e0e3b982e9f22eaa905db2029a4c0a1c34c0cdbdf","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-08T21:00:06Z","title_canon_sha256":"c270faad7400ed48b05dacc0c05fba54ccbcabb130db8a960a480f40f9f71ab2"},"schema_version":"1.0","source":{"id":"1612.02827","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1612.02827","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"arxiv_version","alias_value":"1612.02827v2","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1612.02827","created_at":"2026-05-18T00:48:46Z"},{"alias_kind":"pith_short_12","alias_value":"HHSEBXIWF6JN","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_16","alias_value":"HHSEBXIWF6JNZ5U3","created_at":"2026-05-18T12:30:19Z"},{"alias_kind":"pith_short_8","alias_value":"HHSEBXIW","created_at":"2026-05-18T12:30:19Z"}],"graph_snapshots":[{"event_id":"sha256:0657f67d3ac289eb01022d75b45c9bb423ec02559b7036eda453b1ff36c4c908","target":"graph","created_at":"2026-05-18T00:48:46Z","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":"The velocity distribution of galaxies in clusters is not universal; rather, galaxies are segregated according to their spectral type and relative luminosity. We examine the velocity distributions of different populations of galaxies within 89 Sunyaev Zel'dovich (SZ) selected galaxy clusters spanning $ 0.28 < z < 1.08$. Our sample is primarily draw from the SPT-GMOS spectroscopic survey, supplemented by additional published spectroscopy, resulting in a final spectroscopic sample of 4148 galaxy spectra---2868 cluster members. The velocity dispersion of star-forming cluster galaxies is $17\\pm4$% ","authors_text":"Alex Saro, Alfredo Zenteno, Antony A. Stark, Bradford A. Benson, Brian Stalder, Christopher W. Stubbs, David Rapetti, Esra Bulbul, I-Non Chiu, Jonathan Ruel, Kyle Zengo, Lindsey E. Bleem, Mark Brodwin, Matthew. B. Bayliss, Michael McDonald, Raffaella Capasso, Sebastian Bocquet, Veronica Strazzullo","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-08T21:00:06Z","title":"Velocity Segregation and Systematic Biases In Velocity Dispersion Estimates With the SPT-GMOS Spectroscopic Survey"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1612.02827","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":"sha256:4dbd8d3da604a1ab0f38ab37eb702720b10a66c6ac0436732f93cdf88eb90ff3","target":"record","created_at":"2026-05-18T00:48:46Z","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":"cac57257ad81ef97bac8b40e0e3b982e9f22eaa905db2029a4c0a1c34c0cdbdf","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-12-08T21:00:06Z","title_canon_sha256":"c270faad7400ed48b05dacc0c05fba54ccbcabb130db8a960a480f40f9f71ab2"},"schema_version":"1.0","source":{"id":"1612.02827","kind":"arxiv","version":2}},"canonical_sha256":"39e440dd162f92dcf69b04ef412a77d6c17c57638a3a2dbdb72024abd7a09138","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"39e440dd162f92dcf69b04ef412a77d6c17c57638a3a2dbdb72024abd7a09138","first_computed_at":"2026-05-18T00:48:46.833490Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:48:46.833490Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"HyLS2bziyYrv8IUDNfKUDTX/TygsMu0BThxh+1zHHOpHM1Sq7XUqb2cwHqZbVaZjPhVkXgd+qhOj28x3QMaaAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:48:46.834128Z","signed_message":"canonical_sha256_bytes"},"source_id":"1612.02827","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4dbd8d3da604a1ab0f38ab37eb702720b10a66c6ac0436732f93cdf88eb90ff3","sha256:0657f67d3ac289eb01022d75b45c9bb423ec02559b7036eda453b1ff36c4c908"],"state_sha256":"64916822fe72e16c3a6e25b39be76614d3d7d2e51063a3437e16206e454c311d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"no6+OyE71W1g4DOulzNcYcGRLKUo730kphqd8lzohdkG0HsrNe5C2donOMbmjNufsh0vJx7f4Y+3BAbCknorBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:53:34.365362Z","bundle_sha256":"7027171668249c1a4ab762e6d0b7d652db7a115e93ec597f4dd6f7e9aa32cbab"}}