{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:I4CKR6CYZ6KUD4SB6QA2HJN5IR","short_pith_number":"pith:I4CKR6CY","canonical_record":{"source":{"id":"1603.01617","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-04T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"4b02e6c43bc8f88554b4002ded30e4b07a0c8ac636c7036ba24d4e11b215bf39","abstract_canon_sha256":"ac97ce37ccfdb3d8f1edfe5ec1c201f8dcbd400c9d4e0f9ceabd97210c2adcd9"},"schema_version":"1.0"},"canonical_sha256":"4704a8f858cf9541f241f401a3a5bd4471fab343649df37a872f7acfb06077fc","source":{"kind":"arxiv","id":"1603.01617","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01617","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01617v1","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01617","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"pith_short_12","alias_value":"I4CKR6CYZ6KU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"I4CKR6CYZ6KUD4SB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"I4CKR6CY","created_at":"2026-05-18T12:30:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:I4CKR6CYZ6KUD4SB6QA2HJN5IR","target":"record","payload":{"canonical_record":{"source":{"id":"1603.01617","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-04T21:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"4b02e6c43bc8f88554b4002ded30e4b07a0c8ac636c7036ba24d4e11b215bf39","abstract_canon_sha256":"ac97ce37ccfdb3d8f1edfe5ec1c201f8dcbd400c9d4e0f9ceabd97210c2adcd9"},"schema_version":"1.0"},"canonical_sha256":"4704a8f858cf9541f241f401a3a5bd4471fab343649df37a872f7acfb06077fc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:13:54.798052Z","signature_b64":"GyS7tRZc8WVyyXH73aoRWfVtGwLYsnXtAMPmjsyFF4hY6c49cuJQH8HyWS32tcWziTLTPaFZTAWmMrkobBlDAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4704a8f858cf9541f241f401a3a5bd4471fab343649df37a872f7acfb06077fc","last_reissued_at":"2026-05-18T01:13:54.797476Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:13:54.797476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.01617","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":"2026-05-18T01:13:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8avW2xeU+oOhncinAlwjQKHpsI/277g2lrJtPua9kHkWPVAmVxSOTm6h7eww1AfUxacvLChz0elfNucHGm6vCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T04:07:13.876677Z"},"content_sha256":"a642366fdbfc960d7b04d92cadf2e6446bb99699631629398590d2ef8c53ead6","schema_version":"1.0","event_id":"sha256:a642366fdbfc960d7b04d92cadf2e6446bb99699631629398590d2ef8c53ead6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:I4CKR6CYZ6KUD4SB6QA2HJN5IR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Next Generation Virgo Cluster Survey XVI. The Angular Momentum of Dwarf Early-Type Galaxies from Globular Cluster Satellites","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alessandro Boselli, Andres Jordan, Biao Li, Chengze Liu, Elisa Toloba, Eric Emsellem, Eric Peng, Hongxin Zhang, Jean-Charles Cuillandre, Laura Ferrarese, Patrick Cote, Puragra Guhathakurta, Stephen Gwyn","submitted_at":"2016-03-04T21:00:01Z","abstract_excerpt":"We analyze the kinematics of six Virgo cluster dwarf early-type galaxies (dEs) from their globular cluster (GC) systems. We present new Keck/DEIMOS spectroscopy for three of them and reanalyze the data found in the literature for the remaining three. We use two independent methods to estimate the rotation amplitude (Vmax) and velocity dispersion (sigma_GC) of the GC systems and evaluate their statistical significance by simulating non-rotating GC systems with the same number of GC satellites and velocity uncertainties. Our measured kinematics agree with the published values for the three galax"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01617","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":"2026-05-18T01:13:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mmQdd1y/ahwYo5+zA7dSrfkD7+jANdTvFicSpEwPqH2QnqdxpnQ+4FgAqiiE0rqggGFFaQ1hTVR3uMiuDbH0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T04:07:13.877330Z"},"content_sha256":"f8e072d3ab1df04a8a428aea04e815cfadf42d85f63688c6830506949857ce0b","schema_version":"1.0","event_id":"sha256:f8e072d3ab1df04a8a428aea04e815cfadf42d85f63688c6830506949857ce0b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR/bundle.json","state_url":"https://pith.science/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR/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":"2026-06-11T04:07:13Z","links":{"resolver":"https://pith.science/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR","bundle":"https://pith.science/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR/bundle.json","state":"https://pith.science/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/I4CKR6CYZ6KUD4SB6QA2HJN5IR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:I4CKR6CYZ6KUD4SB6QA2HJN5IR","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":"ac97ce37ccfdb3d8f1edfe5ec1c201f8dcbd400c9d4e0f9ceabd97210c2adcd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-04T21:00:01Z","title_canon_sha256":"4b02e6c43bc8f88554b4002ded30e4b07a0c8ac636c7036ba24d4e11b215bf39"},"schema_version":"1.0","source":{"id":"1603.01617","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.01617","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"arxiv_version","alias_value":"1603.01617v1","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.01617","created_at":"2026-05-18T01:13:54Z"},{"alias_kind":"pith_short_12","alias_value":"I4CKR6CYZ6KU","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_16","alias_value":"I4CKR6CYZ6KUD4SB","created_at":"2026-05-18T12:30:22Z"},{"alias_kind":"pith_short_8","alias_value":"I4CKR6CY","created_at":"2026-05-18T12:30:22Z"}],"graph_snapshots":[{"event_id":"sha256:f8e072d3ab1df04a8a428aea04e815cfadf42d85f63688c6830506949857ce0b","target":"graph","created_at":"2026-05-18T01:13:54Z","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 analyze the kinematics of six Virgo cluster dwarf early-type galaxies (dEs) from their globular cluster (GC) systems. We present new Keck/DEIMOS spectroscopy for three of them and reanalyze the data found in the literature for the remaining three. We use two independent methods to estimate the rotation amplitude (Vmax) and velocity dispersion (sigma_GC) of the GC systems and evaluate their statistical significance by simulating non-rotating GC systems with the same number of GC satellites and velocity uncertainties. Our measured kinematics agree with the published values for the three galax","authors_text":"Alessandro Boselli, Andres Jordan, Biao Li, Chengze Liu, Elisa Toloba, Eric Emsellem, Eric Peng, Hongxin Zhang, Jean-Charles Cuillandre, Laura Ferrarese, Patrick Cote, Puragra Guhathakurta, Stephen Gwyn","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-04T21:00:01Z","title":"The Next Generation Virgo Cluster Survey XVI. The Angular Momentum of Dwarf Early-Type Galaxies from Globular Cluster Satellites"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.01617","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:a642366fdbfc960d7b04d92cadf2e6446bb99699631629398590d2ef8c53ead6","target":"record","created_at":"2026-05-18T01:13:54Z","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":"ac97ce37ccfdb3d8f1edfe5ec1c201f8dcbd400c9d4e0f9ceabd97210c2adcd9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-04T21:00:01Z","title_canon_sha256":"4b02e6c43bc8f88554b4002ded30e4b07a0c8ac636c7036ba24d4e11b215bf39"},"schema_version":"1.0","source":{"id":"1603.01617","kind":"arxiv","version":1}},"canonical_sha256":"4704a8f858cf9541f241f401a3a5bd4471fab343649df37a872f7acfb06077fc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4704a8f858cf9541f241f401a3a5bd4471fab343649df37a872f7acfb06077fc","first_computed_at":"2026-05-18T01:13:54.797476Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:13:54.797476Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GyS7tRZc8WVyyXH73aoRWfVtGwLYsnXtAMPmjsyFF4hY6c49cuJQH8HyWS32tcWziTLTPaFZTAWmMrkobBlDAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:13:54.798052Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.01617","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a642366fdbfc960d7b04d92cadf2e6446bb99699631629398590d2ef8c53ead6","sha256:f8e072d3ab1df04a8a428aea04e815cfadf42d85f63688c6830506949857ce0b"],"state_sha256":"14420e7fa04972adcc7b160cee51db0e8db9fa6227fded7c3ff5b1220dce1e78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NOPh305PkSqLAeNLj8NOv580yllPPsZTEcOmJYGwtO0lTN2sf/AIcjaO+U7s1zueIWTEG+zLHHoTS47Yd5pWBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T04:07:13.881206Z","bundle_sha256":"db06b861bb7012fc9c64024c8b0aaf9fae4514d44bd0a5f3f3dd028935dabd67"}}