{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:5G6XHBYVO2LY6BTPOSY4SZK7UL","short_pith_number":"pith:5G6XHBYV","canonical_record":{"source":{"id":"1906.11776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-06-27T16:25:36Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"60ac391599dbb8550ded91531211ff439ff680c07fd32d36e50cdbfd84a587db","abstract_canon_sha256":"11f9ff6d33da91dbf28f6cce9ba24d868a165c6b36d60ed706c22ea651818f5d"},"schema_version":"1.0"},"canonical_sha256":"e9bd73871576978f066f74b1c9655fa2c5f68c883a161e89f9a3918e79d6b330","source":{"kind":"arxiv","id":"1906.11776","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.11776","created_at":"2026-05-17T23:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1906.11776v1","created_at":"2026-05-17T23:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.11776","created_at":"2026-05-17T23:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"5G6XHBYVO2LY","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5G6XHBYVO2LY6BTP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5G6XHBYV","created_at":"2026-05-18T12:33:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:5G6XHBYVO2LY6BTPOSY4SZK7UL","target":"record","payload":{"canonical_record":{"source":{"id":"1906.11776","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-06-27T16:25:36Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"60ac391599dbb8550ded91531211ff439ff680c07fd32d36e50cdbfd84a587db","abstract_canon_sha256":"11f9ff6d33da91dbf28f6cce9ba24d868a165c6b36d60ed706c22ea651818f5d"},"schema_version":"1.0"},"canonical_sha256":"e9bd73871576978f066f74b1c9655fa2c5f68c883a161e89f9a3918e79d6b330","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:03.819350Z","signature_b64":"5sBhP7ZlKL1NuXas7IiSQv14uwVq8T7WyNYv4H+Wwh3IIS+vL4VVuRCAReTg1Ao6O9q5miCM/iu3N9/1QccKBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9bd73871576978f066f74b1c9655fa2c5f68c883a161e89f9a3918e79d6b330","last_reissued_at":"2026-05-17T23:42:03.818773Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:03.818773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1906.11776","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":"2026-05-17T23:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SFwCPyQ+E4y12g8ig/LPvdrDFmT8fgyfrTiuMgV6vpBduT5WhKR56XGMg43Yz4XWJxurFIuAYa6REJQYkuOlDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:25:41.695050Z"},"content_sha256":"160d257849270b20a97be3802785df1242556c2f040fcc16e68a2dbb79dc5216","schema_version":"1.0","event_id":"sha256:160d257849270b20a97be3802785df1242556c2f040fcc16e68a2dbb79dc5216"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:5G6XHBYVO2LY6BTPOSY4SZK7UL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Temperature-Dependent Lifetimes of Low-Frequency Adsorbate Modes from Non-Equilibrium Molecular Dynamics Simulations","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"physics.comp-ph","authors_text":"Francesco Nattino, J\\\"org Meyer","submitted_at":"2019-06-27T16:25:36Z","abstract_excerpt":"We present calculations on the damping of a low-frequency adsorbate mode on a metal surface, namely the frustrated translation of Na on Cu(100). For the first time, vibrational lifetimes of excited adlayers are extracted from non-equilibrium molecular dynamics calculations accounting for both the phononic and the electronic dissipation channels. The relative contributions of the two damping mechanisms, which we show to be additive, are found to disagree with textbook predictions. A simple model based on separable harmonic and anharmonic contributions is able to semi-quantitatively reproduce th"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.11776","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":"2026-05-17T23:42:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"tNScXpXLwkLcYjUPZRkjwQqpoPS/uKhpt33uE+BFKHgkLUkWlrnbaoA73FVcqZQOMwj9BEWELNi32/HjEOiwCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:25:41.695694Z"},"content_sha256":"7f6e08b88e502341b520b204cc0f0643c2a9d9de41a11f028fc14db36b9776b6","schema_version":"1.0","event_id":"sha256:7f6e08b88e502341b520b204cc0f0643c2a9d9de41a11f028fc14db36b9776b6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL/bundle.json","state_url":"https://pith.science/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL/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":"2026-05-30T02:25:41Z","links":{"resolver":"https://pith.science/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL","bundle":"https://pith.science/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL/bundle.json","state":"https://pith.science/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5G6XHBYVO2LY6BTPOSY4SZK7UL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:5G6XHBYVO2LY6BTPOSY4SZK7UL","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":"11f9ff6d33da91dbf28f6cce9ba24d868a165c6b36d60ed706c22ea651818f5d","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-06-27T16:25:36Z","title_canon_sha256":"60ac391599dbb8550ded91531211ff439ff680c07fd32d36e50cdbfd84a587db"},"schema_version":"1.0","source":{"id":"1906.11776","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1906.11776","created_at":"2026-05-17T23:42:03Z"},{"alias_kind":"arxiv_version","alias_value":"1906.11776v1","created_at":"2026-05-17T23:42:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1906.11776","created_at":"2026-05-17T23:42:03Z"},{"alias_kind":"pith_short_12","alias_value":"5G6XHBYVO2LY","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_16","alias_value":"5G6XHBYVO2LY6BTP","created_at":"2026-05-18T12:33:10Z"},{"alias_kind":"pith_short_8","alias_value":"5G6XHBYV","created_at":"2026-05-18T12:33:10Z"}],"graph_snapshots":[{"event_id":"sha256:7f6e08b88e502341b520b204cc0f0643c2a9d9de41a11f028fc14db36b9776b6","target":"graph","created_at":"2026-05-17T23:42:03Z","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 calculations on the damping of a low-frequency adsorbate mode on a metal surface, namely the frustrated translation of Na on Cu(100). For the first time, vibrational lifetimes of excited adlayers are extracted from non-equilibrium molecular dynamics calculations accounting for both the phononic and the electronic dissipation channels. The relative contributions of the two damping mechanisms, which we show to be additive, are found to disagree with textbook predictions. A simple model based on separable harmonic and anharmonic contributions is able to semi-quantitatively reproduce th","authors_text":"Francesco Nattino, J\\\"org Meyer","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-06-27T16:25:36Z","title":"Temperature-Dependent Lifetimes of Low-Frequency Adsorbate Modes from Non-Equilibrium Molecular Dynamics Simulations"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1906.11776","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":"sha256:160d257849270b20a97be3802785df1242556c2f040fcc16e68a2dbb79dc5216","target":"record","created_at":"2026-05-17T23:42:03Z","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":"11f9ff6d33da91dbf28f6cce9ba24d868a165c6b36d60ed706c22ea651818f5d","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2019-06-27T16:25:36Z","title_canon_sha256":"60ac391599dbb8550ded91531211ff439ff680c07fd32d36e50cdbfd84a587db"},"schema_version":"1.0","source":{"id":"1906.11776","kind":"arxiv","version":1}},"canonical_sha256":"e9bd73871576978f066f74b1c9655fa2c5f68c883a161e89f9a3918e79d6b330","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9bd73871576978f066f74b1c9655fa2c5f68c883a161e89f9a3918e79d6b330","first_computed_at":"2026-05-17T23:42:03.818773Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:03.818773Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5sBhP7ZlKL1NuXas7IiSQv14uwVq8T7WyNYv4H+Wwh3IIS+vL4VVuRCAReTg1Ao6O9q5miCM/iu3N9/1QccKBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:03.819350Z","signed_message":"canonical_sha256_bytes"},"source_id":"1906.11776","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:160d257849270b20a97be3802785df1242556c2f040fcc16e68a2dbb79dc5216","sha256:7f6e08b88e502341b520b204cc0f0643c2a9d9de41a11f028fc14db36b9776b6"],"state_sha256":"9bf59e7469f65925087d647441a38587a58cfabdfbd884140b0e55909af8e253"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GV5fj2Fkwx1MlG1tz8Re1VWoNxhESiKK8X6rmS9k1GHiK54iSJTHPLfF3z0rrNr1SuUWhUiM0cPJKdJGsjooAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:25:41.699060Z","bundle_sha256":"0b60f5698d6b93ed1d669e0cc51e40b2faa29faa39cc208de33a638dd1b69f47"}}