{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:PSTCEY5JYOQOWUM72REVEP5RDF","short_pith_number":"pith:PSTCEY5J","canonical_record":{"source":{"id":"astro-ph/0607408","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-18T10:09:12Z","cross_cats_sorted":[],"title_canon_sha256":"1618d1b3806fb00d96232c6a12f055f746ac2990c8fa5786981fcb76d30ce57a","abstract_canon_sha256":"f1c25190f0556d7aa5e2f133d47be9d40f081eea09433b7af30934d6854a41cb"},"schema_version":"1.0"},"canonical_sha256":"7ca62263a9c3a0eb519fd449523fb11944595c853144d35831d6ff43dc4b1864","source":{"kind":"arxiv","id":"astro-ph/0607408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607408","created_at":"2026-05-18T04:28:58Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607408v1","created_at":"2026-05-18T04:28:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607408","created_at":"2026-05-18T04:28:58Z"},{"alias_kind":"pith_short_12","alias_value":"PSTCEY5JYOQO","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"PSTCEY5JYOQOWUM7","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"PSTCEY5J","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:PSTCEY5JYOQOWUM72REVEP5RDF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0607408","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-18T10:09:12Z","cross_cats_sorted":[],"title_canon_sha256":"1618d1b3806fb00d96232c6a12f055f746ac2990c8fa5786981fcb76d30ce57a","abstract_canon_sha256":"f1c25190f0556d7aa5e2f133d47be9d40f081eea09433b7af30934d6854a41cb"},"schema_version":"1.0"},"canonical_sha256":"7ca62263a9c3a0eb519fd449523fb11944595c853144d35831d6ff43dc4b1864","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:28:58.339244Z","signature_b64":"EAtfLz27V7JDMmBACvfXiBLnPMfYuVHMl/xN4PVOjKvQKBaLuFKkNDFD9qwiWzE4kdKO3daz4S7os2KnOBJ/Dw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ca62263a9c3a0eb519fd449523fb11944595c853144d35831d6ff43dc4b1864","last_reissued_at":"2026-05-18T04:28:58.338743Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:28:58.338743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0607408","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":"2026-05-18T04:28:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mx1YGzQNGYz3dbgXV0jnZAmgaPKvW7LhBCHmMvNZnwdjKXBncEoGNYgelc1HcdbdAxiN4bssOZwCx0xkWjWjAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T06:21:28.678392Z"},"content_sha256":"6a913e77d26f72edac4ea4d8323abb2c866c1a370e6ae9281031d46668efb21e","schema_version":"1.0","event_id":"sha256:6a913e77d26f72edac4ea4d8323abb2c866c1a370e6ae9281031d46668efb21e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:PSTCEY5JYOQOWUM72REVEP5RDF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Distance to the Galactic Center Derived From Infrared Photometry of Bulge Red Clump Stars","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Daisuke Kato, Koji Sugitani, Motohide Tamura, Nobuhiko Kusakabe, Noriyuki Matsunaga, Shogo Nishiyama, Shuji Sato, Takahiro Nagayama, Takahiro Naoi, Tetsuya Nagata","submitted_at":"2006-07-18T10:09:12Z","abstract_excerpt":"On the basis of the near infrared observations of bulge red clump stars near the Galactic center, we have determined the galactocentric distance to be R_0 = 7.52 +- 0.10 (stat) +- 0.35 (sys) kpc. We observed the red clump stars at |l| < 1.0 deg and 0.7 deg < |b| < 1.0 deg with the IRSF 1.4 m telescope and the SIRIUS camera in the H and Ks bands. After extinction and population corrections, we obtained (m - M)_0 = 14.38 +- 0.03 (stat) +- 0.10 (sys). The statistical error is dominated by the uncertainty of the intrinsic local red clump stars' luminosity. The systematic error is estimated to be +"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607408","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":"2026-05-18T04:28:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"c/ODMe0YjSqzK+fieVBhAIIDectaQIa2swRT/k9ZD+sinNqA+2zrPVoQRenDNR3687ihkg8EXnzHcCW40NlpAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T06:21:28.678738Z"},"content_sha256":"11f16f5c86d78f5ebabd3af1a2e5da273a4199e91b46d6de02a5dbd94744a4ca","schema_version":"1.0","event_id":"sha256:11f16f5c86d78f5ebabd3af1a2e5da273a4199e91b46d6de02a5dbd94744a4ca"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PSTCEY5JYOQOWUM72REVEP5RDF/bundle.json","state_url":"https://pith.science/pith/PSTCEY5JYOQOWUM72REVEP5RDF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PSTCEY5JYOQOWUM72REVEP5RDF/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":"2026-05-21T06:21:28Z","links":{"resolver":"https://pith.science/pith/PSTCEY5JYOQOWUM72REVEP5RDF","bundle":"https://pith.science/pith/PSTCEY5JYOQOWUM72REVEP5RDF/bundle.json","state":"https://pith.science/pith/PSTCEY5JYOQOWUM72REVEP5RDF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PSTCEY5JYOQOWUM72REVEP5RDF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:PSTCEY5JYOQOWUM72REVEP5RDF","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":"f1c25190f0556d7aa5e2f133d47be9d40f081eea09433b7af30934d6854a41cb","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-18T10:09:12Z","title_canon_sha256":"1618d1b3806fb00d96232c6a12f055f746ac2990c8fa5786981fcb76d30ce57a"},"schema_version":"1.0","source":{"id":"astro-ph/0607408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0607408","created_at":"2026-05-18T04:28:58Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0607408v1","created_at":"2026-05-18T04:28:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0607408","created_at":"2026-05-18T04:28:58Z"},{"alias_kind":"pith_short_12","alias_value":"PSTCEY5JYOQO","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"PSTCEY5JYOQOWUM7","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"PSTCEY5J","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:11f16f5c86d78f5ebabd3af1a2e5da273a4199e91b46d6de02a5dbd94744a4ca","target":"graph","created_at":"2026-05-18T04:28:58Z","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":"On the basis of the near infrared observations of bulge red clump stars near the Galactic center, we have determined the galactocentric distance to be R_0 = 7.52 +- 0.10 (stat) +- 0.35 (sys) kpc. We observed the red clump stars at |l| < 1.0 deg and 0.7 deg < |b| < 1.0 deg with the IRSF 1.4 m telescope and the SIRIUS camera in the H and Ks bands. After extinction and population corrections, we obtained (m - M)_0 = 14.38 +- 0.03 (stat) +- 0.10 (sys). The statistical error is dominated by the uncertainty of the intrinsic local red clump stars' luminosity. The systematic error is estimated to be +","authors_text":"Daisuke Kato, Koji Sugitani, Motohide Tamura, Nobuhiko Kusakabe, Noriyuki Matsunaga, Shogo Nishiyama, Shuji Sato, Takahiro Nagayama, Takahiro Naoi, Tetsuya Nagata","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2006-07-18T10:09:12Z","title":"The Distance to the Galactic Center Derived From Infrared Photometry of Bulge Red Clump Stars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0607408","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":"sha256:6a913e77d26f72edac4ea4d8323abb2c866c1a370e6ae9281031d46668efb21e","target":"record","created_at":"2026-05-18T04:28:58Z","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":"f1c25190f0556d7aa5e2f133d47be9d40f081eea09433b7af30934d6854a41cb","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2006-07-18T10:09:12Z","title_canon_sha256":"1618d1b3806fb00d96232c6a12f055f746ac2990c8fa5786981fcb76d30ce57a"},"schema_version":"1.0","source":{"id":"astro-ph/0607408","kind":"arxiv","version":1}},"canonical_sha256":"7ca62263a9c3a0eb519fd449523fb11944595c853144d35831d6ff43dc4b1864","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ca62263a9c3a0eb519fd449523fb11944595c853144d35831d6ff43dc4b1864","first_computed_at":"2026-05-18T04:28:58.338743Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:28:58.338743Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EAtfLz27V7JDMmBACvfXiBLnPMfYuVHMl/xN4PVOjKvQKBaLuFKkNDFD9qwiWzE4kdKO3daz4S7os2KnOBJ/Dw==","signature_status":"signed_v1","signed_at":"2026-05-18T04:28:58.339244Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0607408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6a913e77d26f72edac4ea4d8323abb2c866c1a370e6ae9281031d46668efb21e","sha256:11f16f5c86d78f5ebabd3af1a2e5da273a4199e91b46d6de02a5dbd94744a4ca"],"state_sha256":"1add26d36c68be88d6b8445657a7716e32a72146630bdce5fdde481ac9353eda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ikyvmrSbu5I82a7QQADRBJpapd0/3AeknyLdfhTudU6zG3iOWxfc+mA6PhB0PfRumZRw2jindfV+bkX64d3TCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T06:21:28.680723Z","bundle_sha256":"61e66e15559a1f9195995d315cc516c7abb68792f8ff1d024cd9162639ec12f8"}}