{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:KQNLAO5VTK25GLGKW7Y3NEETXB","short_pith_number":"pith:KQNLAO5V","canonical_record":{"source":{"id":"1809.06495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-18T01:07:17Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5bc72deca84dfbfbb6b6f558f33bb90bec4714d4d0816362e36232a6611615b0","abstract_canon_sha256":"b0a83d6362877bf668a6f82281b54dc851497e9a69a1ef6e3779f4ce8ffe745b"},"schema_version":"1.0"},"canonical_sha256":"541ab03bb59ab5d32ccab7f1b69093b86798cdbe83e0b204d6a435ff1cf37c75","source":{"kind":"arxiv","id":"1809.06495","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.06495","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1809.06495v1","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.06495","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"KQNLAO5VTK25","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KQNLAO5VTK25GLGK","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KQNLAO5V","created_at":"2026-05-18T12:32:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:KQNLAO5VTK25GLGKW7Y3NEETXB","target":"record","payload":{"canonical_record":{"source":{"id":"1809.06495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-18T01:07:17Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"5bc72deca84dfbfbb6b6f558f33bb90bec4714d4d0816362e36232a6611615b0","abstract_canon_sha256":"b0a83d6362877bf668a6f82281b54dc851497e9a69a1ef6e3779f4ce8ffe745b"},"schema_version":"1.0"},"canonical_sha256":"541ab03bb59ab5d32ccab7f1b69093b86798cdbe83e0b204d6a435ff1cf37c75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:05:27.008273Z","signature_b64":"zHw8zgR+GpHcam3a2YxJmIMpwUVGo7rOB3ky3hehDzTNzp6nl1a5lF0BDUQuhhhXna0CwZRuNb0K0I+Aa8FFDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"541ab03bb59ab5d32ccab7f1b69093b86798cdbe83e0b204d6a435ff1cf37c75","last_reissued_at":"2026-05-18T00:05:27.007676Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:05:27.007676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1809.06495","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":"2026-05-18T00:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aWpJ6kH7j9qYBQ8EiDGT+j7DSDT2F60DpNS8v0ZJr4mfq2AIAYsLm80U9UaCKBJ7XAjTbq25ZTAuVLPMjTGQBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:23:50.415922Z"},"content_sha256":"b0a5bc36734801217ab4b7c17ef826e0b7629ab8f93cbc9c36525244f0fe532a","schema_version":"1.0","event_id":"sha256:b0a5bc36734801217ab4b7c17ef826e0b7629ab8f93cbc9c36525244f0fe532a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:KQNLAO5VTK25GLGKW7Y3NEETXB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phonon Quantum Phase Transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Gerald D Mahan, Mingda Li, Nina Andrejevic, Ricardo Pablo-Pedro, Shengxi Huang, Te-Huan Liu, Yoichiro Tsurimaki, Zhiwei Ding","submitted_at":"2018-09-18T01:07:17Z","abstract_excerpt":"We show that a quantum phase transition can occur in a phonon system in the presence of dislocations. Due to the competing nature between the topological protection of the dislocation and anharmonicity, phonons can reach a quantum critical point at a frequency determined by dislocation density and the anharmonic constant, at zero temperature. In the symmetry-broken phase, a novel phonon state is developed with a dynamically-induced dipole field. We carry out a renormalization group analysis and show that the phonon critical behavior differs wildly from any electronic system. In particular, at "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.06495","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":"2026-05-18T00:05:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3xFlyZgvBMzxQvglggEQYBXXEljbAYucPKJ6U/aYPmGiuhUqti4zXXuSS9Ib6RaJO6nE+Kwok5mpA6VmJTPeBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:23:50.416655Z"},"content_sha256":"51c9efa3c311bec8b7eaa26f222aa89ca64015778ebfaca951bbe3ed366bdeef","schema_version":"1.0","event_id":"sha256:51c9efa3c311bec8b7eaa26f222aa89ca64015778ebfaca951bbe3ed366bdeef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KQNLAO5VTK25GLGKW7Y3NEETXB/bundle.json","state_url":"https://pith.science/pith/KQNLAO5VTK25GLGKW7Y3NEETXB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KQNLAO5VTK25GLGKW7Y3NEETXB/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":"2026-05-25T18:23:50Z","links":{"resolver":"https://pith.science/pith/KQNLAO5VTK25GLGKW7Y3NEETXB","bundle":"https://pith.science/pith/KQNLAO5VTK25GLGKW7Y3NEETXB/bundle.json","state":"https://pith.science/pith/KQNLAO5VTK25GLGKW7Y3NEETXB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KQNLAO5VTK25GLGKW7Y3NEETXB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:KQNLAO5VTK25GLGKW7Y3NEETXB","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":"b0a83d6362877bf668a6f82281b54dc851497e9a69a1ef6e3779f4ce8ffe745b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-18T01:07:17Z","title_canon_sha256":"5bc72deca84dfbfbb6b6f558f33bb90bec4714d4d0816362e36232a6611615b0"},"schema_version":"1.0","source":{"id":"1809.06495","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1809.06495","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"arxiv_version","alias_value":"1809.06495v1","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1809.06495","created_at":"2026-05-18T00:05:27Z"},{"alias_kind":"pith_short_12","alias_value":"KQNLAO5VTK25","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_16","alias_value":"KQNLAO5VTK25GLGK","created_at":"2026-05-18T12:32:33Z"},{"alias_kind":"pith_short_8","alias_value":"KQNLAO5V","created_at":"2026-05-18T12:32:33Z"}],"graph_snapshots":[{"event_id":"sha256:51c9efa3c311bec8b7eaa26f222aa89ca64015778ebfaca951bbe3ed366bdeef","target":"graph","created_at":"2026-05-18T00:05:27Z","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 show that a quantum phase transition can occur in a phonon system in the presence of dislocations. Due to the competing nature between the topological protection of the dislocation and anharmonicity, phonons can reach a quantum critical point at a frequency determined by dislocation density and the anharmonic constant, at zero temperature. In the symmetry-broken phase, a novel phonon state is developed with a dynamically-induced dipole field. We carry out a renormalization group analysis and show that the phonon critical behavior differs wildly from any electronic system. In particular, at ","authors_text":"Gerald D Mahan, Mingda Li, Nina Andrejevic, Ricardo Pablo-Pedro, Shengxi Huang, Te-Huan Liu, Yoichiro Tsurimaki, Zhiwei Ding","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-18T01:07:17Z","title":"Phonon Quantum Phase Transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1809.06495","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:b0a5bc36734801217ab4b7c17ef826e0b7629ab8f93cbc9c36525244f0fe532a","target":"record","created_at":"2026-05-18T00:05:27Z","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":"b0a83d6362877bf668a6f82281b54dc851497e9a69a1ef6e3779f4ce8ffe745b","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2018-09-18T01:07:17Z","title_canon_sha256":"5bc72deca84dfbfbb6b6f558f33bb90bec4714d4d0816362e36232a6611615b0"},"schema_version":"1.0","source":{"id":"1809.06495","kind":"arxiv","version":1}},"canonical_sha256":"541ab03bb59ab5d32ccab7f1b69093b86798cdbe83e0b204d6a435ff1cf37c75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"541ab03bb59ab5d32ccab7f1b69093b86798cdbe83e0b204d6a435ff1cf37c75","first_computed_at":"2026-05-18T00:05:27.007676Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:05:27.007676Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zHw8zgR+GpHcam3a2YxJmIMpwUVGo7rOB3ky3hehDzTNzp6nl1a5lF0BDUQuhhhXna0CwZRuNb0K0I+Aa8FFDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:05:27.008273Z","signed_message":"canonical_sha256_bytes"},"source_id":"1809.06495","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b0a5bc36734801217ab4b7c17ef826e0b7629ab8f93cbc9c36525244f0fe532a","sha256:51c9efa3c311bec8b7eaa26f222aa89ca64015778ebfaca951bbe3ed366bdeef"],"state_sha256":"20de4de719f625adf2fb135ac00c7f7da5af4f57bbc9128f0b95226d97ecda63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"g3p+Chz+1wTp6a5SxAxQiqqMrxRkCsGbhNed0vsntRRj9A43NGUjKZQCdTwEL7uvgY22uuHqL8D6zgVTDLQgDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:23:50.420455Z","bundle_sha256":"ba087545cb492ca7de017a1f0239bd5f9e0238b202d115fe8e5741f3265a25fb"}}