{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:HJIYXD6GLE6LB4M7GAHLINQO5M","short_pith_number":"pith:HJIYXD6G","schema_version":"1.0","canonical_sha256":"3a518b8fc6593cb0f19f300eb4360eeb3b8e1e30c88452074c8e220d91cae2e3","source":{"kind":"arxiv","id":"1609.09772","version":1},"attestation_state":"computed","paper":{"title":"Dynamic nuclear polarization and relaxation of H and D atoms in solid mixtures of hydrogen isotopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.chem-ph"],"primary_cat":"physics.atm-clus","authors_text":"D.M. Lee, J. Ahokas, J. J\\\"arvinen, L. Lehtonen, O. Vainio, S. Sheludiakov, S. Vasiliev, V.V. Khmelenko","submitted_at":"2016-09-30T15:18:14Z","abstract_excerpt":"We report on a study of Dynamic Nuclear Polarization and electron and nuclear spin relaxation of atomic hydrogen and deuterium in solid molecular matrices of H$_{2}$, D$_{2}$, and HD mixtures. The electron and nuclear spin relaxation times ($T_{1e}$ and $T_{1N}$) were measured within the temperature range 0.15-2.5$\\,$K in a magnetic field of 4.6 T, conditions which ensure a high polarization of electron spins. We found that $T_{1e}$ is nearly temperature independent in this temperature range, while $T_{1N}$ decreased by 2 orders of magnitude. Such strong temperature dependence is typical for t"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1609.09772","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.atm-clus","submitted_at":"2016-09-30T15:18:14Z","cross_cats_sorted":["cond-mat.mes-hall","physics.chem-ph"],"title_canon_sha256":"e570f111f18f4e91a2889fbea9e49fc5d704fbe0bd7acbd3b4b8535a79e0a401","abstract_canon_sha256":"95b2e9e37e2e3ef8fbf1c0cb4a33a89a8d710ec5b1a3888247fc13b16ba58099"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:13.878187Z","signature_b64":"KJg6Bkyt3o88yxo1JfHuer2+lWSYDhUBL1qIfRL4+my+8FsnbG8z0J5lplmOoe5QA+Yt16wLrSWhSErkDEkZCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"3a518b8fc6593cb0f19f300eb4360eeb3b8e1e30c88452074c8e220d91cae2e3","last_reissued_at":"2026-05-18T00:51:13.877413Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:13.877413Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Dynamic nuclear polarization and relaxation of H and D atoms in solid mixtures of hydrogen isotopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall","physics.chem-ph"],"primary_cat":"physics.atm-clus","authors_text":"D.M. Lee, J. Ahokas, J. J\\\"arvinen, L. Lehtonen, O. Vainio, S. Sheludiakov, S. Vasiliev, V.V. Khmelenko","submitted_at":"2016-09-30T15:18:14Z","abstract_excerpt":"We report on a study of Dynamic Nuclear Polarization and electron and nuclear spin relaxation of atomic hydrogen and deuterium in solid molecular matrices of H$_{2}$, D$_{2}$, and HD mixtures. The electron and nuclear spin relaxation times ($T_{1e}$ and $T_{1N}$) were measured within the temperature range 0.15-2.5$\\,$K in a magnetic field of 4.6 T, conditions which ensure a high polarization of electron spins. We found that $T_{1e}$ is nearly temperature independent in this temperature range, while $T_{1N}$ decreased by 2 orders of magnitude. Such strong temperature dependence is typical for t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.09772","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1609.09772","created_at":"2026-05-18T00:51:13.877554+00:00"},{"alias_kind":"arxiv_version","alias_value":"1609.09772v1","created_at":"2026-05-18T00:51:13.877554+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.09772","created_at":"2026-05-18T00:51:13.877554+00:00"},{"alias_kind":"pith_short_12","alias_value":"HJIYXD6GLE6L","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_16","alias_value":"HJIYXD6GLE6LB4M7","created_at":"2026-05-18T12:30:19.053100+00:00"},{"alias_kind":"pith_short_8","alias_value":"HJIYXD6G","created_at":"2026-05-18T12:30:19.053100+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M","json":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M.json","graph_json":"https://pith.science/api/pith-number/HJIYXD6GLE6LB4M7GAHLINQO5M/graph.json","events_json":"https://pith.science/api/pith-number/HJIYXD6GLE6LB4M7GAHLINQO5M/events.json","paper":"https://pith.science/paper/HJIYXD6G"},"agent_actions":{"view_html":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M","download_json":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M.json","view_paper":"https://pith.science/paper/HJIYXD6G","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1609.09772&json=true","fetch_graph":"https://pith.science/api/pith-number/HJIYXD6GLE6LB4M7GAHLINQO5M/graph.json","fetch_events":"https://pith.science/api/pith-number/HJIYXD6GLE6LB4M7GAHLINQO5M/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M/action/timestamp_anchor","attest_storage":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M/action/storage_attestation","attest_author":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M/action/author_attestation","sign_citation":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M/action/citation_signature","submit_replication":"https://pith.science/pith/HJIYXD6GLE6LB4M7GAHLINQO5M/action/replication_record"}},"created_at":"2026-05-18T00:51:13.877554+00:00","updated_at":"2026-05-18T00:51:13.877554+00:00"}