{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:QEBP7S3GIV7CXFDRKPQR32SV4K","short_pith_number":"pith:QEBP7S3G","canonical_record":{"source":{"id":"1710.10666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-29T18:48:54Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7a2211dfab739d307c9cc776530bbe950b2e46bac69357802c1311f3d0f351cc","abstract_canon_sha256":"5fcdd7902dfeb1608398e48e7a89984efe10555066295049f42c6e30549170dd"},"schema_version":"1.0"},"canonical_sha256":"8102ffcb66457e2b947153e11dea55e2b643aaf436df7bab0147c7363807b695","source":{"kind":"arxiv","id":"1710.10666","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.10666","created_at":"2026-05-18T00:28:12Z"},{"alias_kind":"arxiv_version","alias_value":"1710.10666v1","created_at":"2026-05-18T00:28:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.10666","created_at":"2026-05-18T00:28:12Z"},{"alias_kind":"pith_short_12","alias_value":"QEBP7S3GIV7C","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QEBP7S3GIV7CXFDR","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QEBP7S3G","created_at":"2026-05-18T12:31:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:QEBP7S3GIV7CXFDRKPQR32SV4K","target":"record","payload":{"canonical_record":{"source":{"id":"1710.10666","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-29T18:48:54Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"7a2211dfab739d307c9cc776530bbe950b2e46bac69357802c1311f3d0f351cc","abstract_canon_sha256":"5fcdd7902dfeb1608398e48e7a89984efe10555066295049f42c6e30549170dd"},"schema_version":"1.0"},"canonical_sha256":"8102ffcb66457e2b947153e11dea55e2b643aaf436df7bab0147c7363807b695","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:12.967077Z","signature_b64":"JIQ9KL/+DsIryz7/1vNpmRAw1CSNbj80F9RHq94wm6v+Y+DTmVijC6R3QQdSjeRbCEXz4/5EP7Vc+tgjQ9leCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8102ffcb66457e2b947153e11dea55e2b643aaf436df7bab0147c7363807b695","last_reissued_at":"2026-05-18T00:28:12.966436Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:12.966436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.10666","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":"2026-05-18T00:28:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ro+hR8kY6Ds18GjjVsyI+ed2GiHEKcDG0eVDUlBv8VsDhv2I73HFjM+mc8XlHMEyeqBHA4nL10x6jIPH5lVpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:59:45.536430Z"},"content_sha256":"b294825b5f2ebf82b12dad5f5c502699bbe933a55d201c9006c6bc043c0c366a","schema_version":"1.0","event_id":"sha256:b294825b5f2ebf82b12dad5f5c502699bbe933a55d201c9006c6bc043c0c366a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:QEBP7S3GIV7CXFDRKPQR32SV4K","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Deep HST Imaging in 47 Tucanae: A Global Dynamical Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"H. Richer, I. Caiazzo, J. Anderson, J. Heyl, J. Kalirai, J. Parada","submitted_at":"2017-10-29T18:48:54Z","abstract_excerpt":"Multi-epoch observations with ACS and WFC3 on HST provide a unique and comprehensive probe of stellar dynamics within 47 Tucanae. We confront analytic models of the globular cluster with the observed stellar proper motions that probe along the main sequence from just above 0.8 to 0.1M$_\\odot$ as well as white dwarfs younger than one gigayear. One field lies just beyond the half-light radius where dynamical models (\\eg lowered Maxwellian distributions) make robust predictions for the stellar proper motions. The observed proper motions in this outer field show evidence for anisotropy in the velo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10666","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":"2026-05-18T00:28:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lm6F4b+f/5Cg/SHw+RIx0/quaYAijCrjMIm+RLUQTq5IWZ3FZiKBTr5JhoRonNqF97cvVYw3w1ZbpmOpO9T1BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T12:59:45.537115Z"},"content_sha256":"18638432bf7ff8d361b9943a5a7218493fcaa9ac3f65582de2aec0eab10a5ca1","schema_version":"1.0","event_id":"sha256:18638432bf7ff8d361b9943a5a7218493fcaa9ac3f65582de2aec0eab10a5ca1"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QEBP7S3GIV7CXFDRKPQR32SV4K/bundle.json","state_url":"https://pith.science/pith/QEBP7S3GIV7CXFDRKPQR32SV4K/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QEBP7S3GIV7CXFDRKPQR32SV4K/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":"2026-05-26T12:59:45Z","links":{"resolver":"https://pith.science/pith/QEBP7S3GIV7CXFDRKPQR32SV4K","bundle":"https://pith.science/pith/QEBP7S3GIV7CXFDRKPQR32SV4K/bundle.json","state":"https://pith.science/pith/QEBP7S3GIV7CXFDRKPQR32SV4K/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QEBP7S3GIV7CXFDRKPQR32SV4K/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:QEBP7S3GIV7CXFDRKPQR32SV4K","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":"5fcdd7902dfeb1608398e48e7a89984efe10555066295049f42c6e30549170dd","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-29T18:48:54Z","title_canon_sha256":"7a2211dfab739d307c9cc776530bbe950b2e46bac69357802c1311f3d0f351cc"},"schema_version":"1.0","source":{"id":"1710.10666","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.10666","created_at":"2026-05-18T00:28:12Z"},{"alias_kind":"arxiv_version","alias_value":"1710.10666v1","created_at":"2026-05-18T00:28:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.10666","created_at":"2026-05-18T00:28:12Z"},{"alias_kind":"pith_short_12","alias_value":"QEBP7S3GIV7C","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_16","alias_value":"QEBP7S3GIV7CXFDR","created_at":"2026-05-18T12:31:37Z"},{"alias_kind":"pith_short_8","alias_value":"QEBP7S3G","created_at":"2026-05-18T12:31:37Z"}],"graph_snapshots":[{"event_id":"sha256:18638432bf7ff8d361b9943a5a7218493fcaa9ac3f65582de2aec0eab10a5ca1","target":"graph","created_at":"2026-05-18T00:28:12Z","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":"Multi-epoch observations with ACS and WFC3 on HST provide a unique and comprehensive probe of stellar dynamics within 47 Tucanae. We confront analytic models of the globular cluster with the observed stellar proper motions that probe along the main sequence from just above 0.8 to 0.1M$_\\odot$ as well as white dwarfs younger than one gigayear. One field lies just beyond the half-light radius where dynamical models (\\eg lowered Maxwellian distributions) make robust predictions for the stellar proper motions. The observed proper motions in this outer field show evidence for anisotropy in the velo","authors_text":"H. Richer, I. Caiazzo, J. Anderson, J. Heyl, J. Kalirai, J. Parada","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-29T18:48:54Z","title":"Deep HST Imaging in 47 Tucanae: A Global Dynamical Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.10666","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:b294825b5f2ebf82b12dad5f5c502699bbe933a55d201c9006c6bc043c0c366a","target":"record","created_at":"2026-05-18T00:28:12Z","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":"5fcdd7902dfeb1608398e48e7a89984efe10555066295049f42c6e30549170dd","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-29T18:48:54Z","title_canon_sha256":"7a2211dfab739d307c9cc776530bbe950b2e46bac69357802c1311f3d0f351cc"},"schema_version":"1.0","source":{"id":"1710.10666","kind":"arxiv","version":1}},"canonical_sha256":"8102ffcb66457e2b947153e11dea55e2b643aaf436df7bab0147c7363807b695","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8102ffcb66457e2b947153e11dea55e2b643aaf436df7bab0147c7363807b695","first_computed_at":"2026-05-18T00:28:12.966436Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:12.966436Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JIQ9KL/+DsIryz7/1vNpmRAw1CSNbj80F9RHq94wm6v+Y+DTmVijC6R3QQdSjeRbCEXz4/5EP7Vc+tgjQ9leCw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:12.967077Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.10666","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b294825b5f2ebf82b12dad5f5c502699bbe933a55d201c9006c6bc043c0c366a","sha256:18638432bf7ff8d361b9943a5a7218493fcaa9ac3f65582de2aec0eab10a5ca1"],"state_sha256":"4fc3f6ea15da4f158dd0746dc39627226902a9b70479a00bb4cdc162c68c5fc0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PVZ/1T0w98tpwsCzMX29Q1iyXxFcerhm0Z5xmEKjxXpWJwz0elqCBFeko/Q7v5KoW9BhiL1J1XqtzZVuXt/zAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T12:59:45.540362Z","bundle_sha256":"8f870fa034fc06d6f8c8d01520749099f1f70e990c13b47404d59a8f6c9f5010"}}