{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:2OPII3AQH2CYXP7T5G6Q2NR6HS","short_pith_number":"pith:2OPII3AQ","canonical_record":{"source":{"id":"2509.16730","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-20T15:49:31Z","cross_cats_sorted":[],"title_canon_sha256":"6bc9f9eac1b35b7d6f85be5907dfd32c2aedac5f382a0b57437296217a7d86e7","abstract_canon_sha256":"32b9f43b3570f0ff355e69ebef68a2216fcaf08a643546c44857bc6809079923"},"schema_version":"1.0"},"canonical_sha256":"d39e846c103e858bbff3e9bd0d363e3ca63b56924b615db2da752c20752adc76","source":{"kind":"arxiv","id":"2509.16730","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.16730","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"2509.16730v1","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.16730","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"2OPII3AQH2CY","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_16","alias_value":"2OPII3AQH2CYXP7T","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_8","alias_value":"2OPII3AQ","created_at":"2026-06-10T01:09:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:2OPII3AQH2CYXP7T5G6Q2NR6HS","target":"record","payload":{"canonical_record":{"source":{"id":"2509.16730","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-20T15:49:31Z","cross_cats_sorted":[],"title_canon_sha256":"6bc9f9eac1b35b7d6f85be5907dfd32c2aedac5f382a0b57437296217a7d86e7","abstract_canon_sha256":"32b9f43b3570f0ff355e69ebef68a2216fcaf08a643546c44857bc6809079923"},"schema_version":"1.0"},"canonical_sha256":"d39e846c103e858bbff3e9bd0d363e3ca63b56924b615db2da752c20752adc76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-10T01:09:43.518494Z","signature_b64":"OWrNClWD2zjlv/op6/nNwhHO9yjpC9D1P/3Vb/gUhYaH3HVZdpZOBDAry6wBY1Gjdymb4agU9E+Dm9F8CQ3nCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d39e846c103e858bbff3e9bd0d363e3ca63b56924b615db2da752c20752adc76","last_reissued_at":"2026-06-10T01:09:43.517462Z","signature_status":"signed_v1","first_computed_at":"2026-06-10T01:09:43.517462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2509.16730","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":"2026-06-10T01:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"btU8Fp4v2/lPeG1Zi2jmHhT57ckEqSdiQNfm5vk7SODlvr6bjHIVzggUg21FLpOQiU5Tqs88l794UTVgdCNqCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T23:51:20.339299Z"},"content_sha256":"97797d482e530052714e8d8f6ad76ee1bc82333333ec01f48104677ce89f7c8f","schema_version":"1.0","event_id":"sha256:97797d482e530052714e8d8f6ad76ee1bc82333333ec01f48104677ce89f7c8f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:2OPII3AQH2CYXP7T5G6Q2NR6HS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Melting point depression of charge density wave in 1T-TiSe$_2$ due to size effects","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"David A. Muller, Eun-Ah Kim, Ismail El Baggari, Judy J. Cha, Lopa Bhatt, Maya Gates, Mehrdad T. Kiani, Miti Shah, Nishkarsh Agarwal, Noah Schnitzer, Omri Lesser, Robert Hovden, Saif Siddique, Stephen D. Funni, Suk Hyun Sung, William Millsaps","submitted_at":"2025-09-20T15:49:31Z","abstract_excerpt":"Classical nucleation theory predicts size-dependent nucleation and melting due to surface and confinement effects at the nanoscale. In correlated electronic states, observation of size-dependent nucleation and melting is rarely reported, likely due to the extremely small length scales necessary to observe such effects for electronic states. Here, using 1T-TiSe$_2$ nanoflakes as a prototypical two-dimensional (2D) charge density wave (CDW) system, we perform in-situ cryogenic electron microscopy with temperature down to 20 K and observe size-dependent nucleation and melting of CDWs. Specificall"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.16730","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/2509.16730/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":"2026-06-10T01:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mV2f94D78VM0vFL+kn0H+IB88BrZm+LUOLO3FyY3SjYFHxMXJf40B697nIMq4YVy3sef8sTzBW6t1LltK61RAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T23:51:20.339684Z"},"content_sha256":"b61fecb0267bef32b881bde82b9f7c44b1920922c7f230d3539952fec1e655d9","schema_version":"1.0","event_id":"sha256:b61fecb0267bef32b881bde82b9f7c44b1920922c7f230d3539952fec1e655d9"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS/bundle.json","state_url":"https://pith.science/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS/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":"2026-06-20T23:51:20Z","links":{"resolver":"https://pith.science/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS","bundle":"https://pith.science/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS/bundle.json","state":"https://pith.science/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/2OPII3AQH2CYXP7T5G6Q2NR6HS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:2OPII3AQH2CYXP7T5G6Q2NR6HS","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":"32b9f43b3570f0ff355e69ebef68a2216fcaf08a643546c44857bc6809079923","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-20T15:49:31Z","title_canon_sha256":"6bc9f9eac1b35b7d6f85be5907dfd32c2aedac5f382a0b57437296217a7d86e7"},"schema_version":"1.0","source":{"id":"2509.16730","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2509.16730","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"2509.16730v1","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2509.16730","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"2OPII3AQH2CY","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_16","alias_value":"2OPII3AQH2CYXP7T","created_at":"2026-06-10T01:09:43Z"},{"alias_kind":"pith_short_8","alias_value":"2OPII3AQ","created_at":"2026-06-10T01:09:43Z"}],"graph_snapshots":[{"event_id":"sha256:b61fecb0267bef32b881bde82b9f7c44b1920922c7f230d3539952fec1e655d9","target":"graph","created_at":"2026-06-10T01:09:43Z","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/2509.16730/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Classical nucleation theory predicts size-dependent nucleation and melting due to surface and confinement effects at the nanoscale. In correlated electronic states, observation of size-dependent nucleation and melting is rarely reported, likely due to the extremely small length scales necessary to observe such effects for electronic states. Here, using 1T-TiSe$_2$ nanoflakes as a prototypical two-dimensional (2D) charge density wave (CDW) system, we perform in-situ cryogenic electron microscopy with temperature down to 20 K and observe size-dependent nucleation and melting of CDWs. Specificall","authors_text":"David A. Muller, Eun-Ah Kim, Ismail El Baggari, Judy J. Cha, Lopa Bhatt, Maya Gates, Mehrdad T. Kiani, Miti Shah, Nishkarsh Agarwal, Noah Schnitzer, Omri Lesser, Robert Hovden, Saif Siddique, Stephen D. Funni, Suk Hyun Sung, William Millsaps","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-20T15:49:31Z","title":"Melting point depression of charge density wave in 1T-TiSe$_2$ due to size effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2509.16730","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":"sha256:97797d482e530052714e8d8f6ad76ee1bc82333333ec01f48104677ce89f7c8f","target":"record","created_at":"2026-06-10T01:09:43Z","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":"32b9f43b3570f0ff355e69ebef68a2216fcaf08a643546c44857bc6809079923","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-09-20T15:49:31Z","title_canon_sha256":"6bc9f9eac1b35b7d6f85be5907dfd32c2aedac5f382a0b57437296217a7d86e7"},"schema_version":"1.0","source":{"id":"2509.16730","kind":"arxiv","version":1}},"canonical_sha256":"d39e846c103e858bbff3e9bd0d363e3ca63b56924b615db2da752c20752adc76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d39e846c103e858bbff3e9bd0d363e3ca63b56924b615db2da752c20752adc76","first_computed_at":"2026-06-10T01:09:43.517462Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-10T01:09:43.517462Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OWrNClWD2zjlv/op6/nNwhHO9yjpC9D1P/3Vb/gUhYaH3HVZdpZOBDAry6wBY1Gjdymb4agU9E+Dm9F8CQ3nCA==","signature_status":"signed_v1","signed_at":"2026-06-10T01:09:43.518494Z","signed_message":"canonical_sha256_bytes"},"source_id":"2509.16730","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:97797d482e530052714e8d8f6ad76ee1bc82333333ec01f48104677ce89f7c8f","sha256:b61fecb0267bef32b881bde82b9f7c44b1920922c7f230d3539952fec1e655d9"],"state_sha256":"e9a2f9ceb44d64c7ce44f7c7c38f5e37befb202f6c9da5a960e0abcb0ac0e84e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AFIiXRYHvmNUpG0oJ1yN/UKx0ed2NMwa/uJZzS+S/L2scfSlUwz+KmWiYpbKhVs2Jj48IDyBKpfMuH0LwpMgBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T23:51:20.341624Z","bundle_sha256":"1b92d8cd4290d9eddcec1e5b1cc0a46f3cf8600df49f4fc55c67d78af7135aaf"}}