{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2008:IE7ARL5RA6QQJZKIUEDMVYTWLO","short_pith_number":"pith:IE7ARL5R","canonical_record":{"source":{"id":"0809.1667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-09-09T20:52:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"6fe1febe05857184397d70eb54a769e4805cc3aa6ad1dadd1b7bb15a5f2fa7f6","abstract_canon_sha256":"8e3a2e27b2f7cabd55321fe6d9ae6ae5129cc61e6a17942dbcb3243ad3e7d657"},"schema_version":"1.0"},"canonical_sha256":"413e08afb107a104e548a106cae2765ba042d4871bbb837655864d3c5aa1bdf1","source":{"kind":"arxiv","id":"0809.1667","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.1667","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"arxiv_version","alias_value":"0809.1667v1","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.1667","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"pith_short_12","alias_value":"IE7ARL5RA6QQ","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"pith_short_16","alias_value":"IE7ARL5RA6QQJZKI","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"pith_short_8","alias_value":"IE7ARL5R","created_at":"2026-07-04T15:35:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2008:IE7ARL5RA6QQJZKIUEDMVYTWLO","target":"record","payload":{"canonical_record":{"source":{"id":"0809.1667","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-09-09T20:52:28Z","cross_cats_sorted":["cond-mat.str-el"],"title_canon_sha256":"6fe1febe05857184397d70eb54a769e4805cc3aa6ad1dadd1b7bb15a5f2fa7f6","abstract_canon_sha256":"8e3a2e27b2f7cabd55321fe6d9ae6ae5129cc61e6a17942dbcb3243ad3e7d657"},"schema_version":"1.0"},"canonical_sha256":"413e08afb107a104e548a106cae2765ba042d4871bbb837655864d3c5aa1bdf1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T15:35:31.003479Z","signature_b64":"nTcAIzMO5cEQWAwGcluK8o3sVr+kinMLsZSHHdi9p6DEvnErPP9eWi1PysICznEuruDf1QVhsRHJX0yB7HswAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"413e08afb107a104e548a106cae2765ba042d4871bbb837655864d3c5aa1bdf1","last_reissued_at":"2026-07-04T15:35:31.003074Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T15:35:31.003074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0809.1667","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":"2026-07-04T15:35:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sJ3wcpdA/oa0vPj3B+s5OEunrf5u9ay33oT+jfawk318AzRrxnw+s2U7a/qC8Jl/nLRuW6iaYlFo2vbuxVuNAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T01:44:05.766249Z"},"content_sha256":"4f21ad25a569da76bb9328c5c076b8f9ccb641c79e514dc07b88d77a76763763","schema_version":"1.0","event_id":"sha256:4f21ad25a569da76bb9328c5c076b8f9ccb641c79e514dc07b88d77a76763763"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2008:IE7ARL5RA6QQJZKIUEDMVYTWLO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Extended supersolid phase of frustrated hard-core bosons on a triangular lattice","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.str-el"],"primary_cat":"cond-mat.stat-mech","authors_text":"Ashvin Vishwanath, Fa Wang, Frank Pollmann","submitted_at":"2008-09-09T20:52:28Z","abstract_excerpt":"We study a model of hard-core bosons with frustrated nearest-neighbor hopping ($t$) and repulsion ($V$) on the triangular lattice. We argue for a supersolid ground state in the large repulsion ($V\\gg|t|$) limit where a dimer representation applies, by constructing a unitary mapping to the well understood unfrustrated hopping case. This generalized 'Marshall sign rule' allows us to establish the precise nature of the supersolid order by utilizing a recently proposed dimer variational wavefunction, whose correlations can be efficiently calculated using the Grassman approach. By continuity, a sup"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.1667","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/0809.1667/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":"2026-07-04T15:35:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t1CdIWYZZ+J+s458Qd6RT4f/MlQ0jK7SrMiDlj3Z1b7iO7WLhZBshK2HkA75kqGExYSth6ZH3lCXKJ4rWBwKCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-20T01:44:05.767222Z"},"content_sha256":"54b6b7273c4021c0aa153a4001514cc38f304a6e9bfce6bd6ed19c36de13783f","schema_version":"1.0","event_id":"sha256:54b6b7273c4021c0aa153a4001514cc38f304a6e9bfce6bd6ed19c36de13783f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO/bundle.json","state_url":"https://pith.science/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO/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":"2026-08-20T01:44:05Z","links":{"resolver":"https://pith.science/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO","bundle":"https://pith.science/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO/bundle.json","state":"https://pith.science/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IE7ARL5RA6QQJZKIUEDMVYTWLO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2008:IE7ARL5RA6QQJZKIUEDMVYTWLO","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":"8e3a2e27b2f7cabd55321fe6d9ae6ae5129cc61e6a17942dbcb3243ad3e7d657","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-09-09T20:52:28Z","title_canon_sha256":"6fe1febe05857184397d70eb54a769e4805cc3aa6ad1dadd1b7bb15a5f2fa7f6"},"schema_version":"1.0","source":{"id":"0809.1667","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0809.1667","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"arxiv_version","alias_value":"0809.1667v1","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0809.1667","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"pith_short_12","alias_value":"IE7ARL5RA6QQ","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"pith_short_16","alias_value":"IE7ARL5RA6QQJZKI","created_at":"2026-07-04T15:35:31Z"},{"alias_kind":"pith_short_8","alias_value":"IE7ARL5R","created_at":"2026-07-04T15:35:31Z"}],"graph_snapshots":[{"event_id":"sha256:54b6b7273c4021c0aa153a4001514cc38f304a6e9bfce6bd6ed19c36de13783f","target":"graph","created_at":"2026-07-04T15:35:31Z","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/0809.1667/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study a model of hard-core bosons with frustrated nearest-neighbor hopping ($t$) and repulsion ($V$) on the triangular lattice. We argue for a supersolid ground state in the large repulsion ($V\\gg|t|$) limit where a dimer representation applies, by constructing a unitary mapping to the well understood unfrustrated hopping case. This generalized 'Marshall sign rule' allows us to establish the precise nature of the supersolid order by utilizing a recently proposed dimer variational wavefunction, whose correlations can be efficiently calculated using the Grassman approach. By continuity, a sup","authors_text":"Ashvin Vishwanath, Fa Wang, Frank Pollmann","cross_cats":["cond-mat.str-el"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-09-09T20:52:28Z","title":"Extended supersolid phase of frustrated hard-core bosons on a triangular lattice"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0809.1667","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":"sha256:4f21ad25a569da76bb9328c5c076b8f9ccb641c79e514dc07b88d77a76763763","target":"record","created_at":"2026-07-04T15:35:31Z","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":"8e3a2e27b2f7cabd55321fe6d9ae6ae5129cc61e6a17942dbcb3243ad3e7d657","cross_cats_sorted":["cond-mat.str-el"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2008-09-09T20:52:28Z","title_canon_sha256":"6fe1febe05857184397d70eb54a769e4805cc3aa6ad1dadd1b7bb15a5f2fa7f6"},"schema_version":"1.0","source":{"id":"0809.1667","kind":"arxiv","version":1}},"canonical_sha256":"413e08afb107a104e548a106cae2765ba042d4871bbb837655864d3c5aa1bdf1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"413e08afb107a104e548a106cae2765ba042d4871bbb837655864d3c5aa1bdf1","first_computed_at":"2026-07-04T15:35:31.003074Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T15:35:31.003074Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nTcAIzMO5cEQWAwGcluK8o3sVr+kinMLsZSHHdi9p6DEvnErPP9eWi1PysICznEuruDf1QVhsRHJX0yB7HswAQ==","signature_status":"signed_v1","signed_at":"2026-07-04T15:35:31.003479Z","signed_message":"canonical_sha256_bytes"},"source_id":"0809.1667","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4f21ad25a569da76bb9328c5c076b8f9ccb641c79e514dc07b88d77a76763763","sha256:54b6b7273c4021c0aa153a4001514cc38f304a6e9bfce6bd6ed19c36de13783f"],"state_sha256":"1771fbf5649c643cbace5476c286c3d6b736bf750104cd49d5d7c37121274188"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9roUv+EQWc9WBXii21C/BgHM5ny4VkEHvLYQCT5siE5DzG733BLxV4EHVVo91SSD99nBe1pQwBw8QRAJhU57BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-20T01:44:05.773967Z","bundle_sha256":"5e6d89b575fe896faa29898705f20923971385f94eca37e023cd155a5b2d5d08"}}