{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BEIVCMZSSWUHD7OF52UB4O7FF4","short_pith_number":"pith:BEIVCMZS","canonical_record":{"source":{"id":"1112.5193","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-12-21T22:25:17Z","cross_cats_sorted":[],"title_canon_sha256":"8764784ea2cb6871c41922282e0ca837e7720ae2ab7b20265680d587b1a230b2","abstract_canon_sha256":"b0bf4867e26ed472524d4e5b5397b6a6ece53ebc4b4cfee01258b4e8bb9a47bf"},"schema_version":"1.0"},"canonical_sha256":"091151333295a871fdc5eea81e3be52f0c05932afb9407a55deb3a98fb499183","source":{"kind":"arxiv","id":"1112.5193","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5193","created_at":"2026-05-18T04:05:48Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5193v1","created_at":"2026-05-18T04:05:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5193","created_at":"2026-05-18T04:05:48Z"},{"alias_kind":"pith_short_12","alias_value":"BEIVCMZSSWUH","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BEIVCMZSSWUHD7OF","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BEIVCMZS","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BEIVCMZSSWUHD7OF52UB4O7FF4","target":"record","payload":{"canonical_record":{"source":{"id":"1112.5193","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-12-21T22:25:17Z","cross_cats_sorted":[],"title_canon_sha256":"8764784ea2cb6871c41922282e0ca837e7720ae2ab7b20265680d587b1a230b2","abstract_canon_sha256":"b0bf4867e26ed472524d4e5b5397b6a6ece53ebc4b4cfee01258b4e8bb9a47bf"},"schema_version":"1.0"},"canonical_sha256":"091151333295a871fdc5eea81e3be52f0c05932afb9407a55deb3a98fb499183","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:05:48.065473Z","signature_b64":"+3mWVXfrZ39gaTtEZsJ39jhZUiz/kdRsR8Ht19kTvAwjSqsgIaD+4UsgVyLqw0eHlId+KFnc+JIRHPJaLB82CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"091151333295a871fdc5eea81e3be52f0c05932afb9407a55deb3a98fb499183","last_reissued_at":"2026-05-18T04:05:48.064998Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:05:48.064998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1112.5193","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":"2026-05-18T04:05:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2cTJh60KiO/q2IGZYXG2r9DH9XSQdJEa8lckeHyfxFwvP3SBFHc6g0RZOUpBUX6flIVBVluW4I4C2dv6ZmJxBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:42:55.513123Z"},"content_sha256":"1930af77e39745be2fe04baf0e745f3c51a6b6ba71aea52f5c441f0c1f0eb1a9","schema_version":"1.0","event_id":"sha256:1930af77e39745be2fe04baf0e745f3c51a6b6ba71aea52f5c441f0c1f0eb1a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BEIVCMZSSWUHD7OF52UB4O7FF4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evolution of the IVOA Characterisation Data Model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.IM","authors_text":"Francois Bonnarel, Igor Chilingarian, Mireille Louys","submitted_at":"2011-12-21T22:25:17Z","abstract_excerpt":"The Characterisation data model is a standard of the International Virtual Observatory Alliance (IVOA) that describes observational datasets in the multi-dimensional parameter space. Defining three properties: coverage, resolution, and sampling along different physical axes (e.g. spatial, spectral, flux) with variable level of details for the description, this model has been used in several IVOA contexts: Simple Spectral Access Protocol, Spectrum Data Model, ObsTAP (Table Access Protocol for the Core Components of the Observation Data Model. Here we propose a new version which addresses more c"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5193","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":"2026-05-18T04:05:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HYUVYLxBZ6CsaHwAvuk8jCdxu4KuKUffVflmC2aGws/TtjIs5vQ3mU3Oe6X1GYnN3Q0MSt+pF3YFwQ8izRzPBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T09:42:55.513829Z"},"content_sha256":"48090d90e181cc066026529adf72da97316ab8acf034a0937df4914123d11e97","schema_version":"1.0","event_id":"sha256:48090d90e181cc066026529adf72da97316ab8acf034a0937df4914123d11e97"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BEIVCMZSSWUHD7OF52UB4O7FF4/bundle.json","state_url":"https://pith.science/pith/BEIVCMZSSWUHD7OF52UB4O7FF4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BEIVCMZSSWUHD7OF52UB4O7FF4/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":"2026-05-25T09:42:55Z","links":{"resolver":"https://pith.science/pith/BEIVCMZSSWUHD7OF52UB4O7FF4","bundle":"https://pith.science/pith/BEIVCMZSSWUHD7OF52UB4O7FF4/bundle.json","state":"https://pith.science/pith/BEIVCMZSSWUHD7OF52UB4O7FF4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BEIVCMZSSWUHD7OF52UB4O7FF4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BEIVCMZSSWUHD7OF52UB4O7FF4","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":"b0bf4867e26ed472524d4e5b5397b6a6ece53ebc4b4cfee01258b4e8bb9a47bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-12-21T22:25:17Z","title_canon_sha256":"8764784ea2cb6871c41922282e0ca837e7720ae2ab7b20265680d587b1a230b2"},"schema_version":"1.0","source":{"id":"1112.5193","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1112.5193","created_at":"2026-05-18T04:05:48Z"},{"alias_kind":"arxiv_version","alias_value":"1112.5193v1","created_at":"2026-05-18T04:05:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1112.5193","created_at":"2026-05-18T04:05:48Z"},{"alias_kind":"pith_short_12","alias_value":"BEIVCMZSSWUH","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BEIVCMZSSWUHD7OF","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BEIVCMZS","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:48090d90e181cc066026529adf72da97316ab8acf034a0937df4914123d11e97","target":"graph","created_at":"2026-05-18T04:05:48Z","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":"The Characterisation data model is a standard of the International Virtual Observatory Alliance (IVOA) that describes observational datasets in the multi-dimensional parameter space. Defining three properties: coverage, resolution, and sampling along different physical axes (e.g. spatial, spectral, flux) with variable level of details for the description, this model has been used in several IVOA contexts: Simple Spectral Access Protocol, Spectrum Data Model, ObsTAP (Table Access Protocol for the Core Components of the Observation Data Model. Here we propose a new version which addresses more c","authors_text":"Francois Bonnarel, Igor Chilingarian, Mireille Louys","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-12-21T22:25:17Z","title":"Evolution of the IVOA Characterisation Data Model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1112.5193","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":"sha256:1930af77e39745be2fe04baf0e745f3c51a6b6ba71aea52f5c441f0c1f0eb1a9","target":"record","created_at":"2026-05-18T04:05:48Z","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":"b0bf4867e26ed472524d4e5b5397b6a6ece53ebc4b4cfee01258b4e8bb9a47bf","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.IM","submitted_at":"2011-12-21T22:25:17Z","title_canon_sha256":"8764784ea2cb6871c41922282e0ca837e7720ae2ab7b20265680d587b1a230b2"},"schema_version":"1.0","source":{"id":"1112.5193","kind":"arxiv","version":1}},"canonical_sha256":"091151333295a871fdc5eea81e3be52f0c05932afb9407a55deb3a98fb499183","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"091151333295a871fdc5eea81e3be52f0c05932afb9407a55deb3a98fb499183","first_computed_at":"2026-05-18T04:05:48.064998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:05:48.064998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+3mWVXfrZ39gaTtEZsJ39jhZUiz/kdRsR8Ht19kTvAwjSqsgIaD+4UsgVyLqw0eHlId+KFnc+JIRHPJaLB82CA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:05:48.065473Z","signed_message":"canonical_sha256_bytes"},"source_id":"1112.5193","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1930af77e39745be2fe04baf0e745f3c51a6b6ba71aea52f5c441f0c1f0eb1a9","sha256:48090d90e181cc066026529adf72da97316ab8acf034a0937df4914123d11e97"],"state_sha256":"cfe5419f6b715b5b572e10574d6fca286316ab6730a8c3ba252e66b81a1dee0b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OYRgc4q1X3huMPB951E3n+Suf4T7I5H367FHLlcVADrBtzIBmz1uSW5WPbyvfoxso+CNXN7g2ySMeZ7IV4b/CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T09:42:55.517465Z","bundle_sha256":"f68169d3d856030f144f7defb54ca9ac1aee7875695ae89a800d07a72c725495"}}