{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:X3UWPAX5K5HXIDOMIHG5FCADYO","short_pith_number":"pith:X3UWPAX5","canonical_record":{"source":{"id":"0808.0755","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-06T01:31:14Z","cross_cats_sorted":[],"title_canon_sha256":"54a96aeac7775962c4647bbf40aa5a8423e74f929bcfcf8efbe343c4636e6056","abstract_canon_sha256":"f3b3b91d6ee73556afc2684d9b63d0e2899aaefdaed53dba5a6c25735623a844"},"schema_version":"1.0"},"canonical_sha256":"bee96782fd574f740dcc41cdd28803c3a90e026fb0563b68be9a5b94bcf5b82b","source":{"kind":"arxiv","id":"0808.0755","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.0755","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"arxiv_version","alias_value":"0808.0755v2","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0755","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"pith_short_12","alias_value":"X3UWPAX5K5HX","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"pith_short_16","alias_value":"X3UWPAX5K5HXIDOM","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"pith_short_8","alias_value":"X3UWPAX5","created_at":"2026-07-04T17:12:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:X3UWPAX5K5HXIDOMIHG5FCADYO","target":"record","payload":{"canonical_record":{"source":{"id":"0808.0755","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-06T01:31:14Z","cross_cats_sorted":[],"title_canon_sha256":"54a96aeac7775962c4647bbf40aa5a8423e74f929bcfcf8efbe343c4636e6056","abstract_canon_sha256":"f3b3b91d6ee73556afc2684d9b63d0e2899aaefdaed53dba5a6c25735623a844"},"schema_version":"1.0"},"canonical_sha256":"bee96782fd574f740dcc41cdd28803c3a90e026fb0563b68be9a5b94bcf5b82b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:12:15.325213Z","signature_b64":"14RK+qti6fOJUccoYCjOZrkTJV4z5cdUCHZSz6tOy9H9XaxUoe4uwrMDsBP0xm0eqQFo2EdmgREl0k1nB24xBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bee96782fd574f740dcc41cdd28803c3a90e026fb0563b68be9a5b94bcf5b82b","last_reissued_at":"2026-07-04T17:12:15.324839Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:12:15.324839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0808.0755","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":"2026-07-04T17:12:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HfboCiRMsl2TupAy+mr8bsIKwws/+SQMCfj2W/u9ZiGthtA/dC5ViEmkRHAoi7bIILVKXzPtrUGP78/5Tgp5Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:16:42.736327Z"},"content_sha256":"8d9f64796a786ae007346f0834421999bd28792f99969af33b118879c6ff357a","schema_version":"1.0","event_id":"sha256:8d9f64796a786ae007346f0834421999bd28792f99969af33b118879c6ff357a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:X3UWPAX5K5HXIDOMIHG5FCADYO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The kinematic footprints of five stellar streams in Andromeda's halo","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Huxor, A. Koch, A. McConnachie, A. M. N. Ferguson, B. Letarte, D. Trethewey, G. F. Lewis, J. Penarrubia, M. Collins, M. Irwin, N. Martin, N. Tanvir, R. Ibata, R. M. Rich, S. C. Chapman","submitted_at":"2008-08-06T01:31:14Z","abstract_excerpt":"(abridged) We present a spectroscopic analysis of five stellar streams (`A', `B', `Cr', `Cp' and `D') as well as the extended star cluster, EC4, which lies within streamC, all discovered in the halo of M31 from our CFHT/MegaCam survey. These spectroscopic results were initially serendipitous, making use of our existing observations from the DEep Imaging Multi-Object Spectrograph mounted on the Keck II telescope, and thereby emphasizing the ubiquity of tidal streams that account for ~70% of the M31 halo stars in the targeted fields. Subsequent spectroscopy was then procured in streamCr/p and st"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0755","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0808.0755/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T17:12:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GVChj5bVRa0xRrxTpbWkaWxJ8GFiE3d/0JXnlo/JxYMs+/5E3/vqSGMNOmncI9Xv1StGOWWNFtSMaYU1epX3Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T08:16:42.736843Z"},"content_sha256":"3c0da3e51116933ed3b361b3ab312f05aa3013b115076992805ec70ed7c9475d","schema_version":"1.0","event_id":"sha256:3c0da3e51116933ed3b361b3ab312f05aa3013b115076992805ec70ed7c9475d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X3UWPAX5K5HXIDOMIHG5FCADYO/bundle.json","state_url":"https://pith.science/pith/X3UWPAX5K5HXIDOMIHG5FCADYO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X3UWPAX5K5HXIDOMIHG5FCADYO/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":"2026-08-06T08:16:42Z","links":{"resolver":"https://pith.science/pith/X3UWPAX5K5HXIDOMIHG5FCADYO","bundle":"https://pith.science/pith/X3UWPAX5K5HXIDOMIHG5FCADYO/bundle.json","state":"https://pith.science/pith/X3UWPAX5K5HXIDOMIHG5FCADYO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X3UWPAX5K5HXIDOMIHG5FCADYO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:X3UWPAX5K5HXIDOMIHG5FCADYO","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":"f3b3b91d6ee73556afc2684d9b63d0e2899aaefdaed53dba5a6c25735623a844","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-06T01:31:14Z","title_canon_sha256":"54a96aeac7775962c4647bbf40aa5a8423e74f929bcfcf8efbe343c4636e6056"},"schema_version":"1.0","source":{"id":"0808.0755","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0808.0755","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"arxiv_version","alias_value":"0808.0755v2","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0808.0755","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"pith_short_12","alias_value":"X3UWPAX5K5HX","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"pith_short_16","alias_value":"X3UWPAX5K5HXIDOM","created_at":"2026-07-04T17:12:15Z"},{"alias_kind":"pith_short_8","alias_value":"X3UWPAX5","created_at":"2026-07-04T17:12:15Z"}],"graph_snapshots":[{"event_id":"sha256:3c0da3e51116933ed3b361b3ab312f05aa3013b115076992805ec70ed7c9475d","target":"graph","created_at":"2026-07-04T17:12:15Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0808.0755/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"(abridged) We present a spectroscopic analysis of five stellar streams (`A', `B', `Cr', `Cp' and `D') as well as the extended star cluster, EC4, which lies within streamC, all discovered in the halo of M31 from our CFHT/MegaCam survey. These spectroscopic results were initially serendipitous, making use of our existing observations from the DEep Imaging Multi-Object Spectrograph mounted on the Keck II telescope, and thereby emphasizing the ubiquity of tidal streams that account for ~70% of the M31 halo stars in the targeted fields. Subsequent spectroscopy was then procured in streamCr/p and st","authors_text":"A. Huxor, A. Koch, A. McConnachie, A. M. N. Ferguson, B. Letarte, D. Trethewey, G. F. Lewis, J. Penarrubia, M. Collins, M. Irwin, N. Martin, N. Tanvir, R. Ibata, R. M. Rich, S. C. Chapman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-06T01:31:14Z","title":"The kinematic footprints of five stellar streams in Andromeda's halo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0808.0755","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":"sha256:8d9f64796a786ae007346f0834421999bd28792f99969af33b118879c6ff357a","target":"record","created_at":"2026-07-04T17:12:15Z","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":"f3b3b91d6ee73556afc2684d9b63d0e2899aaefdaed53dba5a6c25735623a844","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph","submitted_at":"2008-08-06T01:31:14Z","title_canon_sha256":"54a96aeac7775962c4647bbf40aa5a8423e74f929bcfcf8efbe343c4636e6056"},"schema_version":"1.0","source":{"id":"0808.0755","kind":"arxiv","version":2}},"canonical_sha256":"bee96782fd574f740dcc41cdd28803c3a90e026fb0563b68be9a5b94bcf5b82b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bee96782fd574f740dcc41cdd28803c3a90e026fb0563b68be9a5b94bcf5b82b","first_computed_at":"2026-07-04T17:12:15.324839Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:12:15.324839Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"14RK+qti6fOJUccoYCjOZrkTJV4z5cdUCHZSz6tOy9H9XaxUoe4uwrMDsBP0xm0eqQFo2EdmgREl0k1nB24xBA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:12:15.325213Z","signed_message":"canonical_sha256_bytes"},"source_id":"0808.0755","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d9f64796a786ae007346f0834421999bd28792f99969af33b118879c6ff357a","sha256:3c0da3e51116933ed3b361b3ab312f05aa3013b115076992805ec70ed7c9475d"],"state_sha256":"9991f325a56d773ddad22bd4e48916ecb8e9250d943611c93adc358bb5b5d613"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CENz24Z2kuw/PrBBVWN9EPhp4lK3v3+NmEP67qNTfXWNqqmf/2IzMMC3oL4x6PVKVkCmwWB75g3M5LWZMbVjAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T08:16:42.741693Z","bundle_sha256":"307e0ca5f8a3c9d7e4736fe7dab129a17909a13c6df75c98553be91dc03a764b"}}