{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:Q2EJKI5M5ZGKB6QK7RFQJFNSQJ","short_pith_number":"pith:Q2EJKI5M","canonical_record":{"source":{"id":"2401.16513","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-29T19:34:43Z","cross_cats_sorted":[],"title_canon_sha256":"ec2d1a267c4fe67f9446cd07ff75bfa0a43950d14411ce27e6e22ce8f07234a0","abstract_canon_sha256":"44576685f71d889931a3ee93472fa2d19eeef3c6f41b770a7f83f7c3cf41d810"},"schema_version":"1.0"},"canonical_sha256":"86889523acee4ca0fa0afc4b0495b2827ff235efc47e44cd31bcd8fb2bba5679","source":{"kind":"arxiv","id":"2401.16513","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.16513","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"2401.16513v1","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.16513","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"Q2EJKI5M5ZGK","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"pith_short_16","alias_value":"Q2EJKI5M5ZGKB6QK","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"pith_short_8","alias_value":"Q2EJKI5M","created_at":"2026-07-05T07:38:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:Q2EJKI5M5ZGKB6QK7RFQJFNSQJ","target":"record","payload":{"canonical_record":{"source":{"id":"2401.16513","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-29T19:34:43Z","cross_cats_sorted":[],"title_canon_sha256":"ec2d1a267c4fe67f9446cd07ff75bfa0a43950d14411ce27e6e22ce8f07234a0","abstract_canon_sha256":"44576685f71d889931a3ee93472fa2d19eeef3c6f41b770a7f83f7c3cf41d810"},"schema_version":"1.0"},"canonical_sha256":"86889523acee4ca0fa0afc4b0495b2827ff235efc47e44cd31bcd8fb2bba5679","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T07:38:56.093369Z","signature_b64":"cUahisRnOkhsw2kOndkV6mew0Keh75Y7d3k1Z85hGq77fj0l6YcZg26A2gzd366V01jr743L74JyWoWiHUQlAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"86889523acee4ca0fa0afc4b0495b2827ff235efc47e44cd31bcd8fb2bba5679","last_reissued_at":"2026-07-05T07:38:56.092874Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T07:38:56.092874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2401.16513","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":"2026-07-05T07:38:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"AzrYn1kBli4z+5pP9kOFkt1t6jTqC0tAA6eGz0LtQaUrwn9SYLKCvvAGMkXsTiR+f5JxeCHeAaKyTXQ4yowRCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T16:20:30.960982Z"},"content_sha256":"a7b72fe565be2c0be56e6d68ce4628472ce15ea48cc31592813a8c7efc503088","schema_version":"1.0","event_id":"sha256:a7b72fe565be2c0be56e6d68ce4628472ce15ea48cc31592813a8c7efc503088"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:Q2EJKI5M5ZGKB6QK7RFQJFNSQJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Two-step conversion of metal and metal oxide precursor films to 2D transition metal dichalcogenides and heterostructures","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Christopher Muratore, Michael Altvater, Michael Snure, Nicholas Glavin","submitted_at":"2024-01-29T19:34:43Z","abstract_excerpt":"From the laboratory to real-world applications, synthesis of two dimensional (2D) materials requires modular techniques to control morphology, structure, chemistry, and the plethora of exciting properties arising from these nanoscale materials. In this review, we explore one of the many available synthesis techniques; the extremely versatile two-step conversion (2SC) method. The 2SC technique relies on deposition of a metal or metal oxide film, followed by reaction with a chalcogen vapor at an elevated temperature, converting the precursor film to a crystalline transition metal dichalcogenide "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.16513","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/2401.16513/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":"2026-07-05T07:38:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"H80oxsixJcqFerVMagaP52MWeXP1BCiyOpK5RkFYLsJLKbju/77HIYj+vdCAsCn9qELC+g0sS2uyWXGQhfbEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T16:20:30.961369Z"},"content_sha256":"53fbfdc1ed6de334174a3c0fe494913d5262977dd6790be1aff8338a0848f0f0","schema_version":"1.0","event_id":"sha256:53fbfdc1ed6de334174a3c0fe494913d5262977dd6790be1aff8338a0848f0f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ/bundle.json","state_url":"https://pith.science/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ/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":"2026-07-17T16:20:30Z","links":{"resolver":"https://pith.science/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ","bundle":"https://pith.science/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ/bundle.json","state":"https://pith.science/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/Q2EJKI5M5ZGKB6QK7RFQJFNSQJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:Q2EJKI5M5ZGKB6QK7RFQJFNSQJ","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":"44576685f71d889931a3ee93472fa2d19eeef3c6f41b770a7f83f7c3cf41d810","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-29T19:34:43Z","title_canon_sha256":"ec2d1a267c4fe67f9446cd07ff75bfa0a43950d14411ce27e6e22ce8f07234a0"},"schema_version":"1.0","source":{"id":"2401.16513","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2401.16513","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"arxiv_version","alias_value":"2401.16513v1","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2401.16513","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"pith_short_12","alias_value":"Q2EJKI5M5ZGK","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"pith_short_16","alias_value":"Q2EJKI5M5ZGKB6QK","created_at":"2026-07-05T07:38:56Z"},{"alias_kind":"pith_short_8","alias_value":"Q2EJKI5M","created_at":"2026-07-05T07:38:56Z"}],"graph_snapshots":[{"event_id":"sha256:53fbfdc1ed6de334174a3c0fe494913d5262977dd6790be1aff8338a0848f0f0","target":"graph","created_at":"2026-07-05T07:38:56Z","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/2401.16513/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"From the laboratory to real-world applications, synthesis of two dimensional (2D) materials requires modular techniques to control morphology, structure, chemistry, and the plethora of exciting properties arising from these nanoscale materials. In this review, we explore one of the many available synthesis techniques; the extremely versatile two-step conversion (2SC) method. The 2SC technique relies on deposition of a metal or metal oxide film, followed by reaction with a chalcogen vapor at an elevated temperature, converting the precursor film to a crystalline transition metal dichalcogenide ","authors_text":"Christopher Muratore, Michael Altvater, Michael Snure, Nicholas Glavin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-29T19:34:43Z","title":"Two-step conversion of metal and metal oxide precursor films to 2D transition metal dichalcogenides and heterostructures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2401.16513","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:a7b72fe565be2c0be56e6d68ce4628472ce15ea48cc31592813a8c7efc503088","target":"record","created_at":"2026-07-05T07:38:56Z","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":"44576685f71d889931a3ee93472fa2d19eeef3c6f41b770a7f83f7c3cf41d810","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2024-01-29T19:34:43Z","title_canon_sha256":"ec2d1a267c4fe67f9446cd07ff75bfa0a43950d14411ce27e6e22ce8f07234a0"},"schema_version":"1.0","source":{"id":"2401.16513","kind":"arxiv","version":1}},"canonical_sha256":"86889523acee4ca0fa0afc4b0495b2827ff235efc47e44cd31bcd8fb2bba5679","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"86889523acee4ca0fa0afc4b0495b2827ff235efc47e44cd31bcd8fb2bba5679","first_computed_at":"2026-07-05T07:38:56.092874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T07:38:56.092874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"cUahisRnOkhsw2kOndkV6mew0Keh75Y7d3k1Z85hGq77fj0l6YcZg26A2gzd366V01jr743L74JyWoWiHUQlAw==","signature_status":"signed_v1","signed_at":"2026-07-05T07:38:56.093369Z","signed_message":"canonical_sha256_bytes"},"source_id":"2401.16513","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a7b72fe565be2c0be56e6d68ce4628472ce15ea48cc31592813a8c7efc503088","sha256:53fbfdc1ed6de334174a3c0fe494913d5262977dd6790be1aff8338a0848f0f0"],"state_sha256":"d8ef4a30025f8659281ba37cf3eb11c94d5f55e0272e51d8bc789b2320329285"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MQeMCveCYk+fTbrZzSsvDS+BohZbfRYWqVk19IerfRxOfprg5NWN9YwntaoR1sW8LKijFVW45gXGHnx8fcIPBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T16:20:30.963626Z","bundle_sha256":"9b0b02b08960836e31fba77737a03cc893ece985a0d157716929121a34c8b80d"}}