{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:3BYGOITQYZP5M4TCQP3TIQEDN6","short_pith_number":"pith:3BYGOITQ","canonical_record":{"source":{"id":"0811.0065","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2008-11-01T07:29:00Z","cross_cats_sorted":[],"title_canon_sha256":"a688e947512b9b8a517f66edd26d92f455fe6ad8d4bb27bcc49cd48e24e4da6f","abstract_canon_sha256":"94441a0b499ca373e9f57e712602dec481e0401dd200e9dd1776ba85685f43fa"},"schema_version":"1.0"},"canonical_sha256":"d870672270c65fd6726283f73440836fa0e16af1fe9a33ec7add215daf7c3213","source":{"kind":"arxiv","id":"0811.0065","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0065","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0065v1","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0065","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"pith_short_12","alias_value":"3BYGOITQYZP5","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3BYGOITQYZP5M4TC","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3BYGOITQ","created_at":"2026-05-18T12:25:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:3BYGOITQYZP5M4TCQP3TIQEDN6","target":"record","payload":{"canonical_record":{"source":{"id":"0811.0065","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2008-11-01T07:29:00Z","cross_cats_sorted":[],"title_canon_sha256":"a688e947512b9b8a517f66edd26d92f455fe6ad8d4bb27bcc49cd48e24e4da6f","abstract_canon_sha256":"94441a0b499ca373e9f57e712602dec481e0401dd200e9dd1776ba85685f43fa"},"schema_version":"1.0"},"canonical_sha256":"d870672270c65fd6726283f73440836fa0e16af1fe9a33ec7add215daf7c3213","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:15:22.561814Z","signature_b64":"vaXqLuQeRJdVqInfo7VSF0lytUMJqSq1FXkvziyfD/juisDHYJoa6Iu5wIrKqwU0n2VclzZHksx93C2vHmPPBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d870672270c65fd6726283f73440836fa0e16af1fe9a33ec7add215daf7c3213","last_reissued_at":"2026-05-18T02:15:22.561214Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:15:22.561214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0811.0065","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":"2026-05-18T02:15:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"EaQe1HTYovEvEK2/psQamJALLg/PnvxIM9JEThUEofigBftqZM9YmVjP8LRy6Gq4L+gkxJA0lydGfalaUS8ZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T19:06:22.154786Z"},"content_sha256":"7c58b1742132a73768240493f3c6dee5e2e942d924c7ffe755dd4ffffb366d88","schema_version":"1.0","event_id":"sha256:7c58b1742132a73768240493f3c6dee5e2e942d924c7ffe755dd4ffffb366d88"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:3BYGOITQYZP5M4TCQP3TIQEDN6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Structural Transitions in A Crystalline Bilayer : The Case of Lennard Jones and Gaussian Core Models","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Subhasis Sinha, Surajit Sengupta, Tamoghna Das","submitted_at":"2008-11-01T07:29:00Z","abstract_excerpt":"We study structural transitions in a system of interacting particles arranged as a crystalline bilayer, as a function of the density $\\rho$ and the distance $d$ between the layers. As $d$ is decreased a sequence of transitions involving triangular, rhombic, square and centered rectangular lattices is observed. The sequence of phases and the order of transitions depends on the nature of interactions."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0065","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":"2026-05-18T02:15:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wlEfJMztLwwahjlZh5os2UsNnx8r/rGggByq6lakxMpgwKfNhU4bySnM/WFMzFUE82HfB/LdOg76Ra+AZkuuCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T19:06:22.155437Z"},"content_sha256":"4e60361d58e45b818387c9c8ca964fdee477da604ed05bdabf717381e9c17379","schema_version":"1.0","event_id":"sha256:4e60361d58e45b818387c9c8ca964fdee477da604ed05bdabf717381e9c17379"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3BYGOITQYZP5M4TCQP3TIQEDN6/bundle.json","state_url":"https://pith.science/pith/3BYGOITQYZP5M4TCQP3TIQEDN6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3BYGOITQYZP5M4TCQP3TIQEDN6/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":"2026-05-23T19:06:22Z","links":{"resolver":"https://pith.science/pith/3BYGOITQYZP5M4TCQP3TIQEDN6","bundle":"https://pith.science/pith/3BYGOITQYZP5M4TCQP3TIQEDN6/bundle.json","state":"https://pith.science/pith/3BYGOITQYZP5M4TCQP3TIQEDN6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3BYGOITQYZP5M4TCQP3TIQEDN6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:3BYGOITQYZP5M4TCQP3TIQEDN6","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":"94441a0b499ca373e9f57e712602dec481e0401dd200e9dd1776ba85685f43fa","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2008-11-01T07:29:00Z","title_canon_sha256":"a688e947512b9b8a517f66edd26d92f455fe6ad8d4bb27bcc49cd48e24e4da6f"},"schema_version":"1.0","source":{"id":"0811.0065","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0811.0065","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"arxiv_version","alias_value":"0811.0065v1","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0811.0065","created_at":"2026-05-18T02:15:22Z"},{"alias_kind":"pith_short_12","alias_value":"3BYGOITQYZP5","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_16","alias_value":"3BYGOITQYZP5M4TC","created_at":"2026-05-18T12:25:56Z"},{"alias_kind":"pith_short_8","alias_value":"3BYGOITQ","created_at":"2026-05-18T12:25:56Z"}],"graph_snapshots":[{"event_id":"sha256:4e60361d58e45b818387c9c8ca964fdee477da604ed05bdabf717381e9c17379","target":"graph","created_at":"2026-05-18T02:15:22Z","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 study structural transitions in a system of interacting particles arranged as a crystalline bilayer, as a function of the density $\\rho$ and the distance $d$ between the layers. As $d$ is decreased a sequence of transitions involving triangular, rhombic, square and centered rectangular lattices is observed. The sequence of phases and the order of transitions depends on the nature of interactions.","authors_text":"Subhasis Sinha, Surajit Sengupta, Tamoghna Das","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2008-11-01T07:29:00Z","title":"Structural Transitions in A Crystalline Bilayer : The Case of Lennard Jones and Gaussian Core Models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0811.0065","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":"sha256:7c58b1742132a73768240493f3c6dee5e2e942d924c7ffe755dd4ffffb366d88","target":"record","created_at":"2026-05-18T02:15:22Z","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":"94441a0b499ca373e9f57e712602dec481e0401dd200e9dd1776ba85685f43fa","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2008-11-01T07:29:00Z","title_canon_sha256":"a688e947512b9b8a517f66edd26d92f455fe6ad8d4bb27bcc49cd48e24e4da6f"},"schema_version":"1.0","source":{"id":"0811.0065","kind":"arxiv","version":1}},"canonical_sha256":"d870672270c65fd6726283f73440836fa0e16af1fe9a33ec7add215daf7c3213","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d870672270c65fd6726283f73440836fa0e16af1fe9a33ec7add215daf7c3213","first_computed_at":"2026-05-18T02:15:22.561214Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:15:22.561214Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vaXqLuQeRJdVqInfo7VSF0lytUMJqSq1FXkvziyfD/juisDHYJoa6Iu5wIrKqwU0n2VclzZHksx93C2vHmPPBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:15:22.561814Z","signed_message":"canonical_sha256_bytes"},"source_id":"0811.0065","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7c58b1742132a73768240493f3c6dee5e2e942d924c7ffe755dd4ffffb366d88","sha256:4e60361d58e45b818387c9c8ca964fdee477da604ed05bdabf717381e9c17379"],"state_sha256":"e945991c56b42ed01a4023094ae85eda8bb8a3a348a9b25f7d5c1706c06aa891"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CwwsifeKARJXA1Z063Fkz4kLFkzQJxFGwrvrI8WXCEW5vpn+3aJxsg7geU8G2grGwWhh+myXsicPKdxi6cFKBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T19:06:22.159228Z","bundle_sha256":"02ac59a9d169737705396178c0e41bb6876ebc1b75858996d9607e7bd1c9eaef"}}