{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:VHKRU65LCSIDUZ64QW3GL5H4AE","short_pith_number":"pith:VHKRU65L","canonical_record":{"source":{"id":"astro-ph/0510005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-30T19:40:20Z","cross_cats_sorted":[],"title_canon_sha256":"a8191c982462ae743fdfa7311815a4ab2742426a5fe4d473bd9f23fa6e09cf1d","abstract_canon_sha256":"979bb3c193b0d7da81192bf9457ec7c9f55f00337a738a26061f8a80552e4da0"},"schema_version":"1.0"},"canonical_sha256":"a9d51a7bab14903a67dc85b665f4fc01013f93741a4d753944bdcbcd3486e850","source":{"kind":"arxiv","id":"astro-ph/0510005","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0510005","created_at":"2026-05-18T01:07:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0510005v1","created_at":"2026-05-18T01:07:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0510005","created_at":"2026-05-18T01:07:26Z"},{"alias_kind":"pith_short_12","alias_value":"VHKRU65LCSID","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"VHKRU65LCSIDUZ64","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"VHKRU65L","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:VHKRU65LCSIDUZ64QW3GL5H4AE","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0510005","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-30T19:40:20Z","cross_cats_sorted":[],"title_canon_sha256":"a8191c982462ae743fdfa7311815a4ab2742426a5fe4d473bd9f23fa6e09cf1d","abstract_canon_sha256":"979bb3c193b0d7da81192bf9457ec7c9f55f00337a738a26061f8a80552e4da0"},"schema_version":"1.0"},"canonical_sha256":"a9d51a7bab14903a67dc85b665f4fc01013f93741a4d753944bdcbcd3486e850","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:07:26.356280Z","signature_b64":"4HSKFs31QWievdv0VUTZDmTS8LvkSa7fyK+/6yoW44c+VKCIJapJqBfCPE/y9dX5I0XFY13+IY9G6/Xh4nckAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a9d51a7bab14903a67dc85b665f4fc01013f93741a4d753944bdcbcd3486e850","last_reissued_at":"2026-05-18T01:07:26.355550Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:07:26.355550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0510005","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":"2026-05-18T01:07:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WkX/ootV+mbx20Dr/uRSUq5DwgSVmKDPl0sshVBOD+jnbpgYGeE6wxFEBcZchEJgfsiowlt5tt8acrHrBSY9BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T22:52:10.029036Z"},"content_sha256":"10b76186f553b851aa20f735641b8f02097f5989359937e8635ff2cd4033c2a4","schema_version":"1.0","event_id":"sha256:10b76186f553b851aa20f735641b8f02097f5989359937e8635ff2cd4033c2a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:VHKRU65LCSIDUZ64QW3GL5H4AE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Star Clusters of the Small Magellanic Cloud: Structural Parameters","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Andrew Hill (U. Chicago), Dennis Zaritsky (Steward Obs., Univ. of Arizona)","submitted_at":"2005-09-30T19:40:20Z","abstract_excerpt":"We present structural parameters for 204 stellar clusters in the Small Magellanic Cloud derived from fitting King and Elson, Fall, & Freeman model profiles to the V-band surface brightness profiles as measured from the Magellanic Clouds Photometric Survey images. Both King and EFF profiles are satisfactory fits to the majority of the profiles although King profiles are generally slightly superior to the softened power-law profiles of Elson, Fall, and Freeman and provide statistically acceptable fits to ~90% of the sample. We find no correlation between the preferred model and cluster age. The "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0510005","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":"2026-05-18T01:07:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GoL0w3s5JZuNaDR4Q9HZx+3qJlFfYF3ycCv2e6x1y8548jAFT515IgNKfuazathWSeqLZqHNzgXzQSvFTIuaCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T22:52:10.030337Z"},"content_sha256":"f8ea5bf78ce0e6a71192878d2a40e14326c86b617ff02935d7a77eeff02311d9","schema_version":"1.0","event_id":"sha256:f8ea5bf78ce0e6a71192878d2a40e14326c86b617ff02935d7a77eeff02311d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VHKRU65LCSIDUZ64QW3GL5H4AE/bundle.json","state_url":"https://pith.science/pith/VHKRU65LCSIDUZ64QW3GL5H4AE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VHKRU65LCSIDUZ64QW3GL5H4AE/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":"2026-05-31T22:52:10Z","links":{"resolver":"https://pith.science/pith/VHKRU65LCSIDUZ64QW3GL5H4AE","bundle":"https://pith.science/pith/VHKRU65LCSIDUZ64QW3GL5H4AE/bundle.json","state":"https://pith.science/pith/VHKRU65LCSIDUZ64QW3GL5H4AE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VHKRU65LCSIDUZ64QW3GL5H4AE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:VHKRU65LCSIDUZ64QW3GL5H4AE","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":"979bb3c193b0d7da81192bf9457ec7c9f55f00337a738a26061f8a80552e4da0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-30T19:40:20Z","title_canon_sha256":"a8191c982462ae743fdfa7311815a4ab2742426a5fe4d473bd9f23fa6e09cf1d"},"schema_version":"1.0","source":{"id":"astro-ph/0510005","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0510005","created_at":"2026-05-18T01:07:26Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0510005v1","created_at":"2026-05-18T01:07:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0510005","created_at":"2026-05-18T01:07:26Z"},{"alias_kind":"pith_short_12","alias_value":"VHKRU65LCSID","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"VHKRU65LCSIDUZ64","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"VHKRU65L","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:f8ea5bf78ce0e6a71192878d2a40e14326c86b617ff02935d7a77eeff02311d9","target":"graph","created_at":"2026-05-18T01:07:26Z","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":"We present structural parameters for 204 stellar clusters in the Small Magellanic Cloud derived from fitting King and Elson, Fall, & Freeman model profiles to the V-band surface brightness profiles as measured from the Magellanic Clouds Photometric Survey images. Both King and EFF profiles are satisfactory fits to the majority of the profiles although King profiles are generally slightly superior to the softened power-law profiles of Elson, Fall, and Freeman and provide statistically acceptable fits to ~90% of the sample. We find no correlation between the preferred model and cluster age. The ","authors_text":"Andrew Hill (U. Chicago), Dennis Zaritsky (Steward Obs., Univ. of Arizona)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-30T19:40:20Z","title":"The Star Clusters of the Small Magellanic Cloud: Structural Parameters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0510005","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":"sha256:10b76186f553b851aa20f735641b8f02097f5989359937e8635ff2cd4033c2a4","target":"record","created_at":"2026-05-18T01:07:26Z","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":"979bb3c193b0d7da81192bf9457ec7c9f55f00337a738a26061f8a80552e4da0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-30T19:40:20Z","title_canon_sha256":"a8191c982462ae743fdfa7311815a4ab2742426a5fe4d473bd9f23fa6e09cf1d"},"schema_version":"1.0","source":{"id":"astro-ph/0510005","kind":"arxiv","version":1}},"canonical_sha256":"a9d51a7bab14903a67dc85b665f4fc01013f93741a4d753944bdcbcd3486e850","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a9d51a7bab14903a67dc85b665f4fc01013f93741a4d753944bdcbcd3486e850","first_computed_at":"2026-05-18T01:07:26.355550Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:07:26.355550Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4HSKFs31QWievdv0VUTZDmTS8LvkSa7fyK+/6yoW44c+VKCIJapJqBfCPE/y9dX5I0XFY13+IY9G6/Xh4nckAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:07:26.356280Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0510005","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:10b76186f553b851aa20f735641b8f02097f5989359937e8635ff2cd4033c2a4","sha256:f8ea5bf78ce0e6a71192878d2a40e14326c86b617ff02935d7a77eeff02311d9"],"state_sha256":"0f644a7cb955bdd59964d5106b6db2419a4d40fc8fc3c79a86190306d08750a6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2sBs1ju7g+iecaJK8u/ByxBChRdMOic0Fwe4TjbnBmEru/Mz3aJdlKZzL3wzShK4TNUI94d48mArnHnnlmpcAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T22:52:10.034045Z","bundle_sha256":"6306dac030ed79661ac2087688f10ead4a625801ef3f72198e5c35f333598d01"}}