{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KXZULYLQZEFLMCZJ73DMCMHXAI","short_pith_number":"pith:KXZULYLQ","canonical_record":{"source":{"id":"1511.00470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-02T12:24:11Z","cross_cats_sorted":[],"title_canon_sha256":"41eacb1d14aa70dd4806c16aac38343af42c28e6b8b5409e6c2d194566926d49","abstract_canon_sha256":"dbe382482704ed8d0bef6da5f102f29e0a6530b1b17ce53a6d6d361f065ef746"},"schema_version":"1.0"},"canonical_sha256":"55f345e170c90ab60b29fec6c130f7022b22da17b84f1e8b2cb14a9c9a519ee0","source":{"kind":"arxiv","id":"1511.00470","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.00470","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"arxiv_version","alias_value":"1511.00470v1","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.00470","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"pith_short_12","alias_value":"KXZULYLQZEFL","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KXZULYLQZEFLMCZJ","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KXZULYLQ","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KXZULYLQZEFLMCZJ73DMCMHXAI","target":"record","payload":{"canonical_record":{"source":{"id":"1511.00470","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-02T12:24:11Z","cross_cats_sorted":[],"title_canon_sha256":"41eacb1d14aa70dd4806c16aac38343af42c28e6b8b5409e6c2d194566926d49","abstract_canon_sha256":"dbe382482704ed8d0bef6da5f102f29e0a6530b1b17ce53a6d6d361f065ef746"},"schema_version":"1.0"},"canonical_sha256":"55f345e170c90ab60b29fec6c130f7022b22da17b84f1e8b2cb14a9c9a519ee0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:27:21.948762Z","signature_b64":"TCbytUyQg06v/oeEOHWmocTGZ3j9btKmJo7khYPb6eWo7DpmeI+E9rpj2H9DrfWthv2jeH0uRhL/gSCjt012DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"55f345e170c90ab60b29fec6c130f7022b22da17b84f1e8b2cb14a9c9a519ee0","last_reissued_at":"2026-05-18T01:27:21.948339Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:27:21.948339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1511.00470","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":"2026-05-18T01:27:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p5xDdYezHc8dGqDmZrodCZI6G2rkrYBm74GWbxw3KIys1Ys0u55+zAI++QVnN+CM7vgyBzl8hYOI9O1BBIgYDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:46:31.939226Z"},"content_sha256":"b4092b68ba2d23ac919b5c9f50e7a00f186164e07f0970519e3aecf2e950ad9b","schema_version":"1.0","event_id":"sha256:b4092b68ba2d23ac919b5c9f50e7a00f186164e07f0970519e3aecf2e950ad9b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KXZULYLQZEFLMCZJ73DMCMHXAI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The large- and small-scale CaII K structure of the Milky Way from observations of Galactic and Magellanic sightlines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A.J. Fox, F.P. Keenan, J.V. Smoker","submitted_at":"2015-11-02T12:24:11Z","abstract_excerpt":"Aims: By utilising spectra of early-type stellar probes of known distances in the same region of the sky, the large and small-scale (pc) structure of the Galactic ISM can be investigated. This paper determines the variation in line strength of CaII at 3933.661 A, as a function of probe separation for a sample of stars, including many sightlines in the Magellanic Clouds. Methods: FLAMES-GIRAFFE data taken with the VLT towards early-type stars in 3 Galactic & 4 Magellanic open clusters in CaII are used to obtain the velocity, EW, column density and line width of IS Galactic Ca for a total of 657"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.00470","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":"2026-05-18T01:27:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+pU6ESU8JcRYoeSXPljgLjW0t6jsm5OBQc/EcKHyMpUxkLi8J5ZyjZMv8iRDXKrfO227kGNpVt/YpZqbooCzBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T08:46:31.939883Z"},"content_sha256":"8e31904a0f26a1558d76009274c6e5b4f9b60958a74e89106ad27e20d8c3113a","schema_version":"1.0","event_id":"sha256:8e31904a0f26a1558d76009274c6e5b4f9b60958a74e89106ad27e20d8c3113a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KXZULYLQZEFLMCZJ73DMCMHXAI/bundle.json","state_url":"https://pith.science/pith/KXZULYLQZEFLMCZJ73DMCMHXAI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KXZULYLQZEFLMCZJ73DMCMHXAI/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":"2026-05-30T08:46:31Z","links":{"resolver":"https://pith.science/pith/KXZULYLQZEFLMCZJ73DMCMHXAI","bundle":"https://pith.science/pith/KXZULYLQZEFLMCZJ73DMCMHXAI/bundle.json","state":"https://pith.science/pith/KXZULYLQZEFLMCZJ73DMCMHXAI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KXZULYLQZEFLMCZJ73DMCMHXAI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KXZULYLQZEFLMCZJ73DMCMHXAI","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":"dbe382482704ed8d0bef6da5f102f29e0a6530b1b17ce53a6d6d361f065ef746","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-02T12:24:11Z","title_canon_sha256":"41eacb1d14aa70dd4806c16aac38343af42c28e6b8b5409e6c2d194566926d49"},"schema_version":"1.0","source":{"id":"1511.00470","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1511.00470","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"arxiv_version","alias_value":"1511.00470v1","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1511.00470","created_at":"2026-05-18T01:27:21Z"},{"alias_kind":"pith_short_12","alias_value":"KXZULYLQZEFL","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KXZULYLQZEFLMCZJ","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KXZULYLQ","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:8e31904a0f26a1558d76009274c6e5b4f9b60958a74e89106ad27e20d8c3113a","target":"graph","created_at":"2026-05-18T01:27:21Z","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":"Aims: By utilising spectra of early-type stellar probes of known distances in the same region of the sky, the large and small-scale (pc) structure of the Galactic ISM can be investigated. This paper determines the variation in line strength of CaII at 3933.661 A, as a function of probe separation for a sample of stars, including many sightlines in the Magellanic Clouds. Methods: FLAMES-GIRAFFE data taken with the VLT towards early-type stars in 3 Galactic & 4 Magellanic open clusters in CaII are used to obtain the velocity, EW, column density and line width of IS Galactic Ca for a total of 657","authors_text":"A.J. Fox, F.P. Keenan, J.V. Smoker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-02T12:24:11Z","title":"The large- and small-scale CaII K structure of the Milky Way from observations of Galactic and Magellanic sightlines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1511.00470","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:b4092b68ba2d23ac919b5c9f50e7a00f186164e07f0970519e3aecf2e950ad9b","target":"record","created_at":"2026-05-18T01:27:21Z","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":"dbe382482704ed8d0bef6da5f102f29e0a6530b1b17ce53a6d6d361f065ef746","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-11-02T12:24:11Z","title_canon_sha256":"41eacb1d14aa70dd4806c16aac38343af42c28e6b8b5409e6c2d194566926d49"},"schema_version":"1.0","source":{"id":"1511.00470","kind":"arxiv","version":1}},"canonical_sha256":"55f345e170c90ab60b29fec6c130f7022b22da17b84f1e8b2cb14a9c9a519ee0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"55f345e170c90ab60b29fec6c130f7022b22da17b84f1e8b2cb14a9c9a519ee0","first_computed_at":"2026-05-18T01:27:21.948339Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:27:21.948339Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TCbytUyQg06v/oeEOHWmocTGZ3j9btKmJo7khYPb6eWo7DpmeI+E9rpj2H9DrfWthv2jeH0uRhL/gSCjt012DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:27:21.948762Z","signed_message":"canonical_sha256_bytes"},"source_id":"1511.00470","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4092b68ba2d23ac919b5c9f50e7a00f186164e07f0970519e3aecf2e950ad9b","sha256:8e31904a0f26a1558d76009274c6e5b4f9b60958a74e89106ad27e20d8c3113a"],"state_sha256":"edf559a2ab468909d19d4ec5b495dccefe901e85dac331d28fb42c7815be62f7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tsWOoa8nFdXDL3Qiz6+x0RAYbeztun2mXI2SenRBzBjbGhM9aPORocusTwHu/diqW06tJrkSVfU/KeBQqAsrAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T08:46:31.943205Z","bundle_sha256":"379a1d91b90d2a891b42da60f3b5abafcf7a862d3e53644d8f86a305c8715e10"}}