{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:OLSESK7DNHVWJFKCKJTYQLLZIA","short_pith_number":"pith:OLSESK7D","canonical_record":{"source":{"id":"0706.0004","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-31T20:22:54Z","cross_cats_sorted":[],"title_canon_sha256":"cbe251627622758dca4c77e2a5165ac7db5bf6ddf34c2f8755154865b5fd4f54","abstract_canon_sha256":"6b5264b9f55af21edb7b15ec0eaf203f5d32077852943f045f6a1790348f540f"},"schema_version":"1.0"},"canonical_sha256":"72e4492be369eb6495425267882d7940152d544271b11e0ec25cf4ba5498b470","source":{"kind":"arxiv","id":"0706.0004","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.0004","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"arxiv_version","alias_value":"0706.0004v2","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.0004","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"pith_short_12","alias_value":"OLSESK7DNHVW","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"pith_short_16","alias_value":"OLSESK7DNHVWJFKC","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"pith_short_8","alias_value":"OLSESK7D","created_at":"2026-07-04T15:28:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:OLSESK7DNHVWJFKCKJTYQLLZIA","target":"record","payload":{"canonical_record":{"source":{"id":"0706.0004","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-31T20:22:54Z","cross_cats_sorted":[],"title_canon_sha256":"cbe251627622758dca4c77e2a5165ac7db5bf6ddf34c2f8755154865b5fd4f54","abstract_canon_sha256":"6b5264b9f55af21edb7b15ec0eaf203f5d32077852943f045f6a1790348f540f"},"schema_version":"1.0"},"canonical_sha256":"72e4492be369eb6495425267882d7940152d544271b11e0ec25cf4ba5498b470","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:28:24.759841Z","signature_b64":"H/mODmJmA3xVjwr0zKTrTBh3ngsY0T4zNiKmoYzdVNqUXRH/Lbfn4+Mm9B57arXebEh1stWTcu8P8o0+P7hzCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"72e4492be369eb6495425267882d7940152d544271b11e0ec25cf4ba5498b470","last_reissued_at":"2026-07-04T15:28:24.759444Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:28:24.759444Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0706.0004","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":"2026-07-04T15:28:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xknx/oI848JBaNnAgXxNDvrBKJCEbJ2eMH5FItJzkKSFUXvFV5bZ1nGnC+QjxU1rkdB2d8uUin/BTYaHz3M7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:59:49.833854Z"},"content_sha256":"8a781213d1e7e428d53c214c33d1e76e220319e6ac299a4cffbe180768888583","schema_version":"1.0","event_id":"sha256:8a781213d1e7e428d53c214c33d1e76e220319e6ac299a4cffbe180768888583"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:OLSESK7DNHVWJFKCKJTYQLLZIA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The accretion origin of the Milky Way's stellar halo","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Adi Zolotov, Daniel B. Zucker, David W. Hogg, Donald P. Schneider, Eric F. Bell, Eva K. Grebel, Hans-Walter Rix, James S. Bullock, Jelte T. A. de Jong, Kathryn V. Johnston, Knud Jahnke, Matthias Steinmetz, N. W. Evans, Sanjib Sharma, Sergey E. Koposov, Timothy C. Beers, Vasily Belokurov, Zeljko Ivezic","submitted_at":"2007-05-31T20:22:54Z","abstract_excerpt":"We have used data from the Sloan Digital Sky Survey (SDSS) Data Release 5 to explore the overall structure and substructure of the stellar halo of the Milky Way using about 4 million color-selected main sequence turn-off stars. We fit oblate and triaxial broken power-law models to the data, and found a `best-fit' oblateness of the stellar halo 0.5<c/a<0.8, and halo stellar masses between Galactocentric radii of 1 and 40kpc of (3.7+/-1.2)x10^8 M_sun. The density profile of the stellar halo is approximately r^{-3}; it is possible that the power law slope is shallower inside 20kpc and steeper out"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.0004","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/0706.0004/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":"2026-07-04T15:28:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eD0r3/YPgXiGk1b0Cr//k7bRashdh2xulThESpI3gzj08M2qFfvPfkBpyxKne212WeBM5Jlw2fGM7nY3agdMBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T20:59:49.834347Z"},"content_sha256":"07c0b805a19b9765275c8dcc71e72119c1ca450bc7f2e9a7077f812f26f17fe4","schema_version":"1.0","event_id":"sha256:07c0b805a19b9765275c8dcc71e72119c1ca450bc7f2e9a7077f812f26f17fe4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OLSESK7DNHVWJFKCKJTYQLLZIA/bundle.json","state_url":"https://pith.science/pith/OLSESK7DNHVWJFKCKJTYQLLZIA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OLSESK7DNHVWJFKCKJTYQLLZIA/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":"2026-08-04T20:59:49Z","links":{"resolver":"https://pith.science/pith/OLSESK7DNHVWJFKCKJTYQLLZIA","bundle":"https://pith.science/pith/OLSESK7DNHVWJFKCKJTYQLLZIA/bundle.json","state":"https://pith.science/pith/OLSESK7DNHVWJFKCKJTYQLLZIA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OLSESK7DNHVWJFKCKJTYQLLZIA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:OLSESK7DNHVWJFKCKJTYQLLZIA","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":"6b5264b9f55af21edb7b15ec0eaf203f5d32077852943f045f6a1790348f540f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-31T20:22:54Z","title_canon_sha256":"cbe251627622758dca4c77e2a5165ac7db5bf6ddf34c2f8755154865b5fd4f54"},"schema_version":"1.0","source":{"id":"0706.0004","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0706.0004","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"arxiv_version","alias_value":"0706.0004v2","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0706.0004","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"pith_short_12","alias_value":"OLSESK7DNHVW","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"pith_short_16","alias_value":"OLSESK7DNHVWJFKC","created_at":"2026-07-04T15:28:24Z"},{"alias_kind":"pith_short_8","alias_value":"OLSESK7D","created_at":"2026-07-04T15:28:24Z"}],"graph_snapshots":[{"event_id":"sha256:07c0b805a19b9765275c8dcc71e72119c1ca450bc7f2e9a7077f812f26f17fe4","target":"graph","created_at":"2026-07-04T15:28:24Z","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/0706.0004/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We have used data from the Sloan Digital Sky Survey (SDSS) Data Release 5 to explore the overall structure and substructure of the stellar halo of the Milky Way using about 4 million color-selected main sequence turn-off stars. We fit oblate and triaxial broken power-law models to the data, and found a `best-fit' oblateness of the stellar halo 0.5<c/a<0.8, and halo stellar masses between Galactocentric radii of 1 and 40kpc of (3.7+/-1.2)x10^8 M_sun. The density profile of the stellar halo is approximately r^{-3}; it is possible that the power law slope is shallower inside 20kpc and steeper out","authors_text":"Adi Zolotov, Daniel B. Zucker, David W. Hogg, Donald P. Schneider, Eric F. Bell, Eva K. Grebel, Hans-Walter Rix, James S. Bullock, Jelte T. A. de Jong, Kathryn V. Johnston, Knud Jahnke, Matthias Steinmetz, N. W. Evans, Sanjib Sharma, Sergey E. Koposov, Timothy C. Beers, Vasily Belokurov, Zeljko Ivezic","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-05-31T20:22:54Z","title":"The accretion origin of the Milky Way's stellar halo"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0706.0004","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":"sha256:8a781213d1e7e428d53c214c33d1e76e220319e6ac299a4cffbe180768888583","target":"record","created_at":"2026-07-04T15:28:24Z","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":"6b5264b9f55af21edb7b15ec0eaf203f5d32077852943f045f6a1790348f540f","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-05-31T20:22:54Z","title_canon_sha256":"cbe251627622758dca4c77e2a5165ac7db5bf6ddf34c2f8755154865b5fd4f54"},"schema_version":"1.0","source":{"id":"0706.0004","kind":"arxiv","version":2}},"canonical_sha256":"72e4492be369eb6495425267882d7940152d544271b11e0ec25cf4ba5498b470","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"72e4492be369eb6495425267882d7940152d544271b11e0ec25cf4ba5498b470","first_computed_at":"2026-07-04T15:28:24.759444Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:28:24.759444Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"H/mODmJmA3xVjwr0zKTrTBh3ngsY0T4zNiKmoYzdVNqUXRH/Lbfn4+Mm9B57arXebEh1stWTcu8P8o0+P7hzCA==","signature_status":"signed_v1","signed_at":"2026-07-04T15:28:24.759841Z","signed_message":"canonical_sha256_bytes"},"source_id":"0706.0004","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a781213d1e7e428d53c214c33d1e76e220319e6ac299a4cffbe180768888583","sha256:07c0b805a19b9765275c8dcc71e72119c1ca450bc7f2e9a7077f812f26f17fe4"],"state_sha256":"3e6cbe7deb6041ba8d0e3d0eb9cdeaca07a8e1a3e3520abdd6b96aa5872849c9"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7BWTt5USbn1sc2yckndReqfSrwqrvVx2mMdHBtvviYdh4KyO4UkFoSK98FRIkWefNbl4eUDVHVBJR1moX+vrBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T20:59:49.838668Z","bundle_sha256":"23d90a8ffc8448a6d91c340a112cb85c10794a11194b16b79a24ec765968cfa6"}}