{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:5OVHZGN4PXDVCSQ3XQW6MXAIUN","short_pith_number":"pith:5OVHZGN4","canonical_record":{"source":{"id":"0712.2137","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-13T12:54:30Z","cross_cats_sorted":[],"title_canon_sha256":"4b5dd04d4288b4ffd04387afccca427d3d5831acb4648cdccfb636bd9f51942d","abstract_canon_sha256":"7e6e63c2699b17496cbe0b6b1b4ba6d9ebe222e49a663d92266a78fa3c2a4486"},"schema_version":"1.0"},"canonical_sha256":"ebaa7c99bc7dc7514a1bbc2de65c08a3449292782096b324595bbe0719bb8be9","source":{"kind":"arxiv","id":"0712.2137","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.2137","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"arxiv_version","alias_value":"0712.2137v1","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.2137","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"pith_short_12","alias_value":"5OVHZGN4PXDV","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"pith_short_16","alias_value":"5OVHZGN4PXDVCSQ3","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"pith_short_8","alias_value":"5OVHZGN4","created_at":"2026-07-04T15:45:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:5OVHZGN4PXDVCSQ3XQW6MXAIUN","target":"record","payload":{"canonical_record":{"source":{"id":"0712.2137","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-13T12:54:30Z","cross_cats_sorted":[],"title_canon_sha256":"4b5dd04d4288b4ffd04387afccca427d3d5831acb4648cdccfb636bd9f51942d","abstract_canon_sha256":"7e6e63c2699b17496cbe0b6b1b4ba6d9ebe222e49a663d92266a78fa3c2a4486"},"schema_version":"1.0"},"canonical_sha256":"ebaa7c99bc7dc7514a1bbc2de65c08a3449292782096b324595bbe0719bb8be9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:45:00.206053Z","signature_b64":"6JUFmHQBF35sHihLdZvFFCSSVhyQErik90QtJeSNfG7R9fPhMGdDBy3B6cF/cMMetPEzYXCr0fmAGn42C+JIAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebaa7c99bc7dc7514a1bbc2de65c08a3449292782096b324595bbe0719bb8be9","last_reissued_at":"2026-07-04T15:45:00.205685Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:45:00.205685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0712.2137","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":"2026-07-04T15:45:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"roYrgyF6amlQ7gdFrm724xdCulfSguNyixAF6FLmHbtJniqb99dt7aMo0yOQ/uPUVNm+Cbb9dmEVL+rTiquEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:18:15.010116Z"},"content_sha256":"267444654ca2dccce60f4ca3b3e793a3da97cf5db7ba5f6ff647c4b2fe6d2285","schema_version":"1.0","event_id":"sha256:267444654ca2dccce60f4ca3b3e793a3da97cf5db7ba5f6ff647c4b2fe6d2285"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:5OVHZGN4PXDVCSQ3XQW6MXAIUN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Band profiles and band strengths in mixed H2O:CO ices","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Ewine F. van Dishoeck, Guido W. Fuchs, Harold Linnartz, Jordy Bouwman, Karin I. Oberg, Wiebke Ludwig, Zainab Awad","submitted_at":"2007-12-13T12:54:30Z","abstract_excerpt":"A laboratory study on the band profiles and band strengths of H2O in CO ice, and vice versa, is presented and interpreted in terms of two models. The results show that a mutual interaction takes place between the two species in the solid, which alters the band positions and band strengths. It is found that the band strengths of the H2O bulk stretch, bending and libration vibrational bands decrease linearly by a factor of up to 2 when the CO concentration is increased from 0 to 80%. By contrast, the band strength of the free OH stretch increases linearly. The results are compared to a recently "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.2137","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/0712.2137/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":"2026-07-04T15:45:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FW4mXirGZrw2pyghSTofFLQZzUfJRM5dsFh4L8XzZQflrKoUWI6rise8awGBYbG9rJNkgoaZ56+GdosbFnJ4Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T06:18:15.010661Z"},"content_sha256":"84f1236b0233e7d50fa66cfdd61719ce68ca1b0151cd8b82e0750818e18cfb7e","schema_version":"1.0","event_id":"sha256:84f1236b0233e7d50fa66cfdd61719ce68ca1b0151cd8b82e0750818e18cfb7e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN/bundle.json","state_url":"https://pith.science/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN/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":"2026-08-06T06:18:15Z","links":{"resolver":"https://pith.science/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN","bundle":"https://pith.science/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN/bundle.json","state":"https://pith.science/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5OVHZGN4PXDVCSQ3XQW6MXAIUN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:5OVHZGN4PXDVCSQ3XQW6MXAIUN","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":"7e6e63c2699b17496cbe0b6b1b4ba6d9ebe222e49a663d92266a78fa3c2a4486","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-13T12:54:30Z","title_canon_sha256":"4b5dd04d4288b4ffd04387afccca427d3d5831acb4648cdccfb636bd9f51942d"},"schema_version":"1.0","source":{"id":"0712.2137","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.2137","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"arxiv_version","alias_value":"0712.2137v1","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.2137","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"pith_short_12","alias_value":"5OVHZGN4PXDV","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"pith_short_16","alias_value":"5OVHZGN4PXDVCSQ3","created_at":"2026-07-04T15:45:00Z"},{"alias_kind":"pith_short_8","alias_value":"5OVHZGN4","created_at":"2026-07-04T15:45:00Z"}],"graph_snapshots":[{"event_id":"sha256:84f1236b0233e7d50fa66cfdd61719ce68ca1b0151cd8b82e0750818e18cfb7e","target":"graph","created_at":"2026-07-04T15:45:00Z","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/0712.2137/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A laboratory study on the band profiles and band strengths of H2O in CO ice, and vice versa, is presented and interpreted in terms of two models. The results show that a mutual interaction takes place between the two species in the solid, which alters the band positions and band strengths. It is found that the band strengths of the H2O bulk stretch, bending and libration vibrational bands decrease linearly by a factor of up to 2 when the CO concentration is increased from 0 to 80%. By contrast, the band strength of the free OH stretch increases linearly. The results are compared to a recently ","authors_text":"Ewine F. van Dishoeck, Guido W. Fuchs, Harold Linnartz, Jordy Bouwman, Karin I. Oberg, Wiebke Ludwig, Zainab Awad","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-12-13T12:54:30Z","title":"Band profiles and band strengths in mixed H2O:CO ices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.2137","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":"sha256:267444654ca2dccce60f4ca3b3e793a3da97cf5db7ba5f6ff647c4b2fe6d2285","target":"record","created_at":"2026-07-04T15:45:00Z","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":"7e6e63c2699b17496cbe0b6b1b4ba6d9ebe222e49a663d92266a78fa3c2a4486","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-13T12:54:30Z","title_canon_sha256":"4b5dd04d4288b4ffd04387afccca427d3d5831acb4648cdccfb636bd9f51942d"},"schema_version":"1.0","source":{"id":"0712.2137","kind":"arxiv","version":1}},"canonical_sha256":"ebaa7c99bc7dc7514a1bbc2de65c08a3449292782096b324595bbe0719bb8be9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ebaa7c99bc7dc7514a1bbc2de65c08a3449292782096b324595bbe0719bb8be9","first_computed_at":"2026-07-04T15:45:00.205685Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:45:00.205685Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"6JUFmHQBF35sHihLdZvFFCSSVhyQErik90QtJeSNfG7R9fPhMGdDBy3B6cF/cMMetPEzYXCr0fmAGn42C+JIAg==","signature_status":"signed_v1","signed_at":"2026-07-04T15:45:00.206053Z","signed_message":"canonical_sha256_bytes"},"source_id":"0712.2137","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:267444654ca2dccce60f4ca3b3e793a3da97cf5db7ba5f6ff647c4b2fe6d2285","sha256:84f1236b0233e7d50fa66cfdd61719ce68ca1b0151cd8b82e0750818e18cfb7e"],"state_sha256":"302a601fd15b1c1f3b13ee9f91cec4c16aa5b74770cbb1d68b509cfef9b73017"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"L0fko2xeZeUD49xaLYhTpKAb6vVHrkWn3qrndaOVwCyIf1Mz9W/2/Smz1uIw3tVYo8qPjNdLIVVCtUcN5MUXBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T06:18:15.014354Z","bundle_sha256":"d56a43e91a94320ca9c8a73f14d5f76b016f9bec652c7171866a3fcdd898e055"}}