{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:D2OCCU2XPRYMX6T66B5SBZHXEO","short_pith_number":"pith:D2OCCU2X","canonical_record":{"source":{"id":"1402.5292","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2014-02-21T13:42:54Z","cross_cats_sorted":[],"title_canon_sha256":"a25d8ef9b15d1f10efe38e5b20d456fe5d4ea0520223190aa48f242feef4fa12","abstract_canon_sha256":"1d64dac4d24fcd6bf175fbd2906c092306fac08ffac2e914c4f28123e7a9fc61"},"schema_version":"1.0"},"canonical_sha256":"1e9c2153577c70cbfa7ef07b20e4f723b3d773f9eec1926fa5abb4657abcf9db","source":{"kind":"arxiv","id":"1402.5292","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5292","created_at":"2026-05-18T02:58:22Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5292v1","created_at":"2026-05-18T02:58:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5292","created_at":"2026-05-18T02:58:22Z"},{"alias_kind":"pith_short_12","alias_value":"D2OCCU2XPRYM","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"D2OCCU2XPRYMX6T6","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"D2OCCU2X","created_at":"2026-05-18T12:28:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:D2OCCU2XPRYMX6T66B5SBZHXEO","target":"record","payload":{"canonical_record":{"source":{"id":"1402.5292","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2014-02-21T13:42:54Z","cross_cats_sorted":[],"title_canon_sha256":"a25d8ef9b15d1f10efe38e5b20d456fe5d4ea0520223190aa48f242feef4fa12","abstract_canon_sha256":"1d64dac4d24fcd6bf175fbd2906c092306fac08ffac2e914c4f28123e7a9fc61"},"schema_version":"1.0"},"canonical_sha256":"1e9c2153577c70cbfa7ef07b20e4f723b3d773f9eec1926fa5abb4657abcf9db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:58:22.634727Z","signature_b64":"Zo8lQrXzLF1C7Tcg0cEj/uWfJJOtx7+Qgd5uRqX1lmSs1XI5D0nRD5AViNV8KIUJ2OoTTmMfzrPN7RzTn+OkBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e9c2153577c70cbfa7ef07b20e4f723b3d773f9eec1926fa5abb4657abcf9db","last_reissued_at":"2026-05-18T02:58:22.634243Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:58:22.634243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1402.5292","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":"2026-05-18T02:58:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YUsb6/l/jKJTRcrVbMHhCylP/HpJVtTRKRXvTn+kckH0CeaHlBAEHCVkTPv0pmqpcyPQTap8I0lzQavXu/aFCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:53:19.630147Z"},"content_sha256":"a4ca9cc9efa8f3a0729c772dd16d41bb352c9fef082e75217c32fae2e0eef9d6","schema_version":"1.0","event_id":"sha256:a4ca9cc9efa8f3a0729c772dd16d41bb352c9fef082e75217c32fae2e0eef9d6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:D2OCCU2XPRYMX6T66B5SBZHXEO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ortho-para-H$_2$ conversion processes in astrophysical media","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.chem-ph","authors_text":"Alexandre Faure, Fran\\c{c}ois Lique, Pascal Honvault","submitted_at":"2014-02-21T13:42:54Z","abstract_excerpt":"We report in this review recent fully-quantum time-independent calculations of cross sections and rate constants for the gas phase ortho-to-para conversion of H$_2$ by H and H$^+$. Such processes are of crucial interest and importance in various astrophysical environments. The investigated temperature ranges was 10$-$1500 K for H+H$_2$ and 10$-$100 K for H$^+$+H$_2$. Calculations were based on highly accurate H$_3$ and H$_3^+$ global potential energy surfaces. Comparisons with previous calculations and with available measurements are presented and discussed. It is shown that the existence of a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5292","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":"2026-05-18T02:58:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HtICkXGThDMbkRY1cJxkp0fpbR2/I5+glQDmW/gUNZG5r54hS3JBXzAy/Y5YWum58jSJUGUc0mCU1cnN6e6fAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:53:19.630640Z"},"content_sha256":"836b55581ea14e3b53d66a0a3a66e3ef66302f25f1013beaf162c7f46197f27e","schema_version":"1.0","event_id":"sha256:836b55581ea14e3b53d66a0a3a66e3ef66302f25f1013beaf162c7f46197f27e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/D2OCCU2XPRYMX6T66B5SBZHXEO/bundle.json","state_url":"https://pith.science/pith/D2OCCU2XPRYMX6T66B5SBZHXEO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/D2OCCU2XPRYMX6T66B5SBZHXEO/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":"2026-05-25T18:53:19Z","links":{"resolver":"https://pith.science/pith/D2OCCU2XPRYMX6T66B5SBZHXEO","bundle":"https://pith.science/pith/D2OCCU2XPRYMX6T66B5SBZHXEO/bundle.json","state":"https://pith.science/pith/D2OCCU2XPRYMX6T66B5SBZHXEO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/D2OCCU2XPRYMX6T66B5SBZHXEO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:D2OCCU2XPRYMX6T66B5SBZHXEO","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":"1d64dac4d24fcd6bf175fbd2906c092306fac08ffac2e914c4f28123e7a9fc61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2014-02-21T13:42:54Z","title_canon_sha256":"a25d8ef9b15d1f10efe38e5b20d456fe5d4ea0520223190aa48f242feef4fa12"},"schema_version":"1.0","source":{"id":"1402.5292","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1402.5292","created_at":"2026-05-18T02:58:22Z"},{"alias_kind":"arxiv_version","alias_value":"1402.5292v1","created_at":"2026-05-18T02:58:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1402.5292","created_at":"2026-05-18T02:58:22Z"},{"alias_kind":"pith_short_12","alias_value":"D2OCCU2XPRYM","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_16","alias_value":"D2OCCU2XPRYMX6T6","created_at":"2026-05-18T12:28:25Z"},{"alias_kind":"pith_short_8","alias_value":"D2OCCU2X","created_at":"2026-05-18T12:28:25Z"}],"graph_snapshots":[{"event_id":"sha256:836b55581ea14e3b53d66a0a3a66e3ef66302f25f1013beaf162c7f46197f27e","target":"graph","created_at":"2026-05-18T02:58:22Z","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 report in this review recent fully-quantum time-independent calculations of cross sections and rate constants for the gas phase ortho-to-para conversion of H$_2$ by H and H$^+$. Such processes are of crucial interest and importance in various astrophysical environments. The investigated temperature ranges was 10$-$1500 K for H+H$_2$ and 10$-$100 K for H$^+$+H$_2$. Calculations were based on highly accurate H$_3$ and H$_3^+$ global potential energy surfaces. Comparisons with previous calculations and with available measurements are presented and discussed. It is shown that the existence of a","authors_text":"Alexandre Faure, Fran\\c{c}ois Lique, Pascal Honvault","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2014-02-21T13:42:54Z","title":"Ortho-para-H$_2$ conversion processes in astrophysical media"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.5292","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:a4ca9cc9efa8f3a0729c772dd16d41bb352c9fef082e75217c32fae2e0eef9d6","target":"record","created_at":"2026-05-18T02:58:22Z","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":"1d64dac4d24fcd6bf175fbd2906c092306fac08ffac2e914c4f28123e7a9fc61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.chem-ph","submitted_at":"2014-02-21T13:42:54Z","title_canon_sha256":"a25d8ef9b15d1f10efe38e5b20d456fe5d4ea0520223190aa48f242feef4fa12"},"schema_version":"1.0","source":{"id":"1402.5292","kind":"arxiv","version":1}},"canonical_sha256":"1e9c2153577c70cbfa7ef07b20e4f723b3d773f9eec1926fa5abb4657abcf9db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e9c2153577c70cbfa7ef07b20e4f723b3d773f9eec1926fa5abb4657abcf9db","first_computed_at":"2026-05-18T02:58:22.634243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:58:22.634243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Zo8lQrXzLF1C7Tcg0cEj/uWfJJOtx7+Qgd5uRqX1lmSs1XI5D0nRD5AViNV8KIUJ2OoTTmMfzrPN7RzTn+OkBA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:58:22.634727Z","signed_message":"canonical_sha256_bytes"},"source_id":"1402.5292","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a4ca9cc9efa8f3a0729c772dd16d41bb352c9fef082e75217c32fae2e0eef9d6","sha256:836b55581ea14e3b53d66a0a3a66e3ef66302f25f1013beaf162c7f46197f27e"],"state_sha256":"7d74e8adeb65f04344107e05455bd7a3ec16170145d1521b15580a0faaca4ab4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7q+qWyfUb5Dj1Jx4jZxkycFDCmxHloE46JqHVZ74+TDh23j7mHS3BvfcDv0yaRWv4+O3/HlnKlP1IW02dCIbCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:53:19.633489Z","bundle_sha256":"76665d73e79008af66365f0add25aab9b27fc61978076059b170159bc8a8fa68"}}