{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:UIYA45ZNGX5AIFKVDHXJ4Q6QY6","short_pith_number":"pith:UIYA45ZN","canonical_record":{"source":{"id":"1604.01273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2016-04-05T14:33:26Z","cross_cats_sorted":[],"title_canon_sha256":"e29c854b8076e27cfe152c6aa7d4199a5cb4b78659a6d00f624dd5053c6b9d7b","abstract_canon_sha256":"4416bbc4238c37dc38c2ee8ea49deb1f1011fb1950e60c83c5bd8ff409126e20"},"schema_version":"1.0"},"canonical_sha256":"a2300e772d35fa04155519ee9e43d0c7939a8f6d1e943902b68749d6aef36aca","source":{"kind":"arxiv","id":"1604.01273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.01273","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1604.01273v1","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01273","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"UIYA45ZNGX5A","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UIYA45ZNGX5AIFKV","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UIYA45ZN","created_at":"2026-05-18T12:30:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:UIYA45ZNGX5AIFKVDHXJ4Q6QY6","target":"record","payload":{"canonical_record":{"source":{"id":"1604.01273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2016-04-05T14:33:26Z","cross_cats_sorted":[],"title_canon_sha256":"e29c854b8076e27cfe152c6aa7d4199a5cb4b78659a6d00f624dd5053c6b9d7b","abstract_canon_sha256":"4416bbc4238c37dc38c2ee8ea49deb1f1011fb1950e60c83c5bd8ff409126e20"},"schema_version":"1.0"},"canonical_sha256":"a2300e772d35fa04155519ee9e43d0c7939a8f6d1e943902b68749d6aef36aca","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:16:39.071278Z","signature_b64":"OQtt9MrcLu9IWf16SrnegkHRmY260QA4WGYP3p9aEvI4mSpsZVHZZ4qAclJvYk9E2D4J9Ii3PPDdr29RqweMDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a2300e772d35fa04155519ee9e43d0c7939a8f6d1e943902b68749d6aef36aca","last_reissued_at":"2026-05-18T01:16:39.070692Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:16:39.070692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.01273","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":"2026-05-18T01:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ra39n06jOF4ox+evKwsg3T087fvLRmS9WAQdFqlHfn5cjdsU+QdAiq3j6syGhKBdcbtNrThFCul0UQH0FTJ2Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:18:16.055687Z"},"content_sha256":"cc0187038c9c28323601290a3db11dc6f27c15e733db840e5e4188449e5dfec7","schema_version":"1.0","event_id":"sha256:cc0187038c9c28323601290a3db11dc6f27c15e733db840e5e4188449e5dfec7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:UIYA45ZNGX5AIFKVDHXJ4Q6QY6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Liquid and solid phases of 3He on graphite","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"J. Boronat, M. C. Gordillo","submitted_at":"2016-04-05T14:33:26Z","abstract_excerpt":"Recent heat-capacity experiments show quite unambiguously the existence of a liquid $^3$He phase adsorbed on graphite. This liquid is stable at an extremely low density, possibly one of the lowest found in Nature. Previous theoretical calculations of the same system, and in strictly two dimensions, agree with the result that this liquid phase is not stable and the system is in the gas phase. We calculated the phase diagram of normal $^3$He adsorbed on graphite at $T=0$ using quantum Monte Carlo methods. Considering a fully corrugated substrate we observe that at densities lower that 0.006 \\AA$"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01273","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":"2026-05-18T01:16:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uWnsAL1gbkYeUiHoqusvEZ+Dsm0bzFE5HsFtfsDkow1cW8DIwW35I3ZjcX8wsOOT9kbbhU4ro+MPvXqNF/8TCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T12:18:16.056062Z"},"content_sha256":"534d24ee92965f208bcab723b063eff533778f4b1e7a6517831e1b59586672fb","schema_version":"1.0","event_id":"sha256:534d24ee92965f208bcab723b063eff533778f4b1e7a6517831e1b59586672fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6/bundle.json","state_url":"https://pith.science/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6/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":"2026-06-02T12:18:16Z","links":{"resolver":"https://pith.science/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6","bundle":"https://pith.science/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6/bundle.json","state":"https://pith.science/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/UIYA45ZNGX5AIFKVDHXJ4Q6QY6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:UIYA45ZNGX5AIFKVDHXJ4Q6QY6","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":"4416bbc4238c37dc38c2ee8ea49deb1f1011fb1950e60c83c5bd8ff409126e20","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2016-04-05T14:33:26Z","title_canon_sha256":"e29c854b8076e27cfe152c6aa7d4199a5cb4b78659a6d00f624dd5053c6b9d7b"},"schema_version":"1.0","source":{"id":"1604.01273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.01273","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"arxiv_version","alias_value":"1604.01273v1","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01273","created_at":"2026-05-18T01:16:39Z"},{"alias_kind":"pith_short_12","alias_value":"UIYA45ZNGX5A","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_16","alias_value":"UIYA45ZNGX5AIFKV","created_at":"2026-05-18T12:30:46Z"},{"alias_kind":"pith_short_8","alias_value":"UIYA45ZN","created_at":"2026-05-18T12:30:46Z"}],"graph_snapshots":[{"event_id":"sha256:534d24ee92965f208bcab723b063eff533778f4b1e7a6517831e1b59586672fb","target":"graph","created_at":"2026-05-18T01:16:39Z","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":"Recent heat-capacity experiments show quite unambiguously the existence of a liquid $^3$He phase adsorbed on graphite. This liquid is stable at an extremely low density, possibly one of the lowest found in Nature. Previous theoretical calculations of the same system, and in strictly two dimensions, agree with the result that this liquid phase is not stable and the system is in the gas phase. We calculated the phase diagram of normal $^3$He adsorbed on graphite at $T=0$ using quantum Monte Carlo methods. Considering a fully corrugated substrate we observe that at densities lower that 0.006 \\AA$","authors_text":"J. Boronat, M. C. Gordillo","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2016-04-05T14:33:26Z","title":"Liquid and solid phases of 3He on graphite"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01273","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:cc0187038c9c28323601290a3db11dc6f27c15e733db840e5e4188449e5dfec7","target":"record","created_at":"2026-05-18T01:16:39Z","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":"4416bbc4238c37dc38c2ee8ea49deb1f1011fb1950e60c83c5bd8ff409126e20","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2016-04-05T14:33:26Z","title_canon_sha256":"e29c854b8076e27cfe152c6aa7d4199a5cb4b78659a6d00f624dd5053c6b9d7b"},"schema_version":"1.0","source":{"id":"1604.01273","kind":"arxiv","version":1}},"canonical_sha256":"a2300e772d35fa04155519ee9e43d0c7939a8f6d1e943902b68749d6aef36aca","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a2300e772d35fa04155519ee9e43d0c7939a8f6d1e943902b68749d6aef36aca","first_computed_at":"2026-05-18T01:16:39.070692Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:16:39.070692Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OQtt9MrcLu9IWf16SrnegkHRmY260QA4WGYP3p9aEvI4mSpsZVHZZ4qAclJvYk9E2D4J9Ii3PPDdr29RqweMDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:16:39.071278Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.01273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cc0187038c9c28323601290a3db11dc6f27c15e733db840e5e4188449e5dfec7","sha256:534d24ee92965f208bcab723b063eff533778f4b1e7a6517831e1b59586672fb"],"state_sha256":"16bb4d717e311ee3ea11ed6f0346c43d98e7519a53f0bfbdde2f02ed8e31345d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HtrnrCJFW7SgmVUDZK4Hfz7KHACObiAuEzQk1aG3Bl0wCedO19G9HHZSDten1qNrGCeIiaY1XFClWIBHvum0Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T12:18:16.058482Z","bundle_sha256":"c4c6a819ad0e8b334b93211493b42bc9bf7db3017a9d803ca29359116be5a453"}}