{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:S7RJFTLUGIQM3V5XFOF47QAMKR","short_pith_number":"pith:S7RJFTLU","canonical_record":{"source":{"id":"1710.00721","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-10-02T15:22:59Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.supr-con"],"title_canon_sha256":"58e3430a50ec1cb8764817483ef8d070709cd6960d78cfa3a2171fae4de7d029","abstract_canon_sha256":"83a55c27ee06d876077902b5bab7ec9a1871bbe3ba1bf53ac7780b454cd80d73"},"schema_version":"1.0"},"canonical_sha256":"97e292cd743220cdd7b72b8bcfc00c5441788d685af7e1bd8d2908f233c6c432","source":{"kind":"arxiv","id":"1710.00721","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00721","created_at":"2026-05-17T23:53:33Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00721v3","created_at":"2026-05-17T23:53:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00721","created_at":"2026-05-17T23:53:33Z"},{"alias_kind":"pith_short_12","alias_value":"S7RJFTLUGIQM","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"S7RJFTLUGIQM3V5X","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"S7RJFTLU","created_at":"2026-05-18T12:31:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:S7RJFTLUGIQM3V5XFOF47QAMKR","target":"record","payload":{"canonical_record":{"source":{"id":"1710.00721","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-10-02T15:22:59Z","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.supr-con"],"title_canon_sha256":"58e3430a50ec1cb8764817483ef8d070709cd6960d78cfa3a2171fae4de7d029","abstract_canon_sha256":"83a55c27ee06d876077902b5bab7ec9a1871bbe3ba1bf53ac7780b454cd80d73"},"schema_version":"1.0"},"canonical_sha256":"97e292cd743220cdd7b72b8bcfc00c5441788d685af7e1bd8d2908f233c6c432","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:33.785015Z","signature_b64":"l7UabcHe1IWjTTVKvl8Cwc+a9MfodnPplg3ceC2Hm+SUGwXj513cKdXvRYqf0nDvFtsYziUmyXG5ayzVs564BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97e292cd743220cdd7b72b8bcfc00c5441788d685af7e1bd8d2908f233c6c432","last_reissued_at":"2026-05-17T23:53:33.784563Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:33.784563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.00721","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-17T23:53:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gZB8ppnk4SO/Ou93PlawiUYAQTdl2upqfcq6L2spYzIq6Jpl0l9YmKWK57i27dwjchwpg7hDRo7+iyvYz09ZBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:11:33.239127Z"},"content_sha256":"8d4d0878e47beda191a0ff5fa2c41fb610ac2a1b00a0bc03cf79a6d4434458ba","schema_version":"1.0","event_id":"sha256:8d4d0878e47beda191a0ff5fa2c41fb610ac2a1b00a0bc03cf79a6d4434458ba"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:S7RJFTLUGIQM3V5XFOF47QAMKR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Algebraic Time Crystallization in a Two-dimensional Superfluid","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","cond-mat.supr-con"],"primary_cat":"cond-mat.stat-mech","authors_text":"Boris V. Svistunov, Nikolay V. Prokof'ev","submitted_at":"2017-10-02T15:22:59Z","abstract_excerpt":"Time crystallization is a hallmark of superfluidity, indicative of the fundamental fact that along with breaking the global U(1) symmetry, superfluids also break time-translation symmetry. While the standard discussion of the time crystallization phenomenon is based on the notion of the global phase and genuine condensate, for the superfluidity to take place in two dimensions an algebraic (topological) order is sufficient. We find that the absence of long-range order in a finite-temperature two-dimensional superfluid translates into in an algebraic time crystallization caused by the temporal p"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00721","kind":"arxiv","version":3},"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":"2026-05-17T23:53:33Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"j0BTQJTKAw7kTiSMK+SESOVCfqLG7dJc1TRkxIXhW7M4FXxnstjVCLN8rpM1odk5mB2yU7H4Oyy8YPl+jLTeAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T05:11:33.239489Z"},"content_sha256":"ff07377f4bc4c770fb7035725b62e00a557aab8b8472e50c6db9153bb3859e53","schema_version":"1.0","event_id":"sha256:ff07377f4bc4c770fb7035725b62e00a557aab8b8472e50c6db9153bb3859e53"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/S7RJFTLUGIQM3V5XFOF47QAMKR/bundle.json","state_url":"https://pith.science/pith/S7RJFTLUGIQM3V5XFOF47QAMKR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/S7RJFTLUGIQM3V5XFOF47QAMKR/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":"2026-06-20T05:11:33Z","links":{"resolver":"https://pith.science/pith/S7RJFTLUGIQM3V5XFOF47QAMKR","bundle":"https://pith.science/pith/S7RJFTLUGIQM3V5XFOF47QAMKR/bundle.json","state":"https://pith.science/pith/S7RJFTLUGIQM3V5XFOF47QAMKR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/S7RJFTLUGIQM3V5XFOF47QAMKR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:S7RJFTLUGIQM3V5XFOF47QAMKR","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":"83a55c27ee06d876077902b5bab7ec9a1871bbe3ba1bf53ac7780b454cd80d73","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-10-02T15:22:59Z","title_canon_sha256":"58e3430a50ec1cb8764817483ef8d070709cd6960d78cfa3a2171fae4de7d029"},"schema_version":"1.0","source":{"id":"1710.00721","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.00721","created_at":"2026-05-17T23:53:33Z"},{"alias_kind":"arxiv_version","alias_value":"1710.00721v3","created_at":"2026-05-17T23:53:33Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.00721","created_at":"2026-05-17T23:53:33Z"},{"alias_kind":"pith_short_12","alias_value":"S7RJFTLUGIQM","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_16","alias_value":"S7RJFTLUGIQM3V5X","created_at":"2026-05-18T12:31:43Z"},{"alias_kind":"pith_short_8","alias_value":"S7RJFTLU","created_at":"2026-05-18T12:31:43Z"}],"graph_snapshots":[{"event_id":"sha256:ff07377f4bc4c770fb7035725b62e00a557aab8b8472e50c6db9153bb3859e53","target":"graph","created_at":"2026-05-17T23:53:33Z","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":"Time crystallization is a hallmark of superfluidity, indicative of the fundamental fact that along with breaking the global U(1) symmetry, superfluids also break time-translation symmetry. While the standard discussion of the time crystallization phenomenon is based on the notion of the global phase and genuine condensate, for the superfluidity to take place in two dimensions an algebraic (topological) order is sufficient. We find that the absence of long-range order in a finite-temperature two-dimensional superfluid translates into in an algebraic time crystallization caused by the temporal p","authors_text":"Boris V. Svistunov, Nikolay V. Prokof'ev","cross_cats":["cond-mat.quant-gas","cond-mat.supr-con"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-10-02T15:22:59Z","title":"Algebraic Time Crystallization in a Two-dimensional Superfluid"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.00721","kind":"arxiv","version":3},"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":"sha256:8d4d0878e47beda191a0ff5fa2c41fb610ac2a1b00a0bc03cf79a6d4434458ba","target":"record","created_at":"2026-05-17T23:53:33Z","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":"83a55c27ee06d876077902b5bab7ec9a1871bbe3ba1bf53ac7780b454cd80d73","cross_cats_sorted":["cond-mat.quant-gas","cond-mat.supr-con"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2017-10-02T15:22:59Z","title_canon_sha256":"58e3430a50ec1cb8764817483ef8d070709cd6960d78cfa3a2171fae4de7d029"},"schema_version":"1.0","source":{"id":"1710.00721","kind":"arxiv","version":3}},"canonical_sha256":"97e292cd743220cdd7b72b8bcfc00c5441788d685af7e1bd8d2908f233c6c432","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"97e292cd743220cdd7b72b8bcfc00c5441788d685af7e1bd8d2908f233c6c432","first_computed_at":"2026-05-17T23:53:33.784563Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:53:33.784563Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"l7UabcHe1IWjTTVKvl8Cwc+a9MfodnPplg3ceC2Hm+SUGwXj513cKdXvRYqf0nDvFtsYziUmyXG5ayzVs564BQ==","signature_status":"signed_v1","signed_at":"2026-05-17T23:53:33.785015Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.00721","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8d4d0878e47beda191a0ff5fa2c41fb610ac2a1b00a0bc03cf79a6d4434458ba","sha256:ff07377f4bc4c770fb7035725b62e00a557aab8b8472e50c6db9153bb3859e53"],"state_sha256":"873c488f3cf51fb27a77c4aebd8db56f51d01cb93f90298cb3b0d624d1242d88"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qtB4fJk67mTYVr/fmscuQyjgHSeslDnqNMdLYgGSrD5paa2UOsNdGmOOCMcDp98YQ1Q4Bz75pKmpVwHxljH2Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T05:11:33.241451Z","bundle_sha256":"b1bfd67ee1697efc89574da68654fdd8cdcedef49da35bd3c2afbeeec8090cb4"}}