{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:ERQGMGG3YSLDILNKIT4WYF5DYI","short_pith_number":"pith:ERQGMGG3","canonical_record":{"source":{"id":"1309.7908","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-09-30T16:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"193906359ea32566535108981ce0602647ba9f28e498c3177fde892fd0ac1b9a","abstract_canon_sha256":"520d188c7f834161626469d8b00e820f715ee6cd37b3923baabedacf54e13cd2"},"schema_version":"1.0"},"canonical_sha256":"24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f","source":{"kind":"arxiv","id":"1309.7908","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7908","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7908v2","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7908","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"ERQGMGG3YSLD","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"ERQGMGG3YSLDILNK","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"ERQGMGG3","created_at":"2026-05-18T12:27:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:ERQGMGG3YSLDILNKIT4WYF5DYI","target":"record","payload":{"canonical_record":{"source":{"id":"1309.7908","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-09-30T16:22:02Z","cross_cats_sorted":[],"title_canon_sha256":"193906359ea32566535108981ce0602647ba9f28e498c3177fde892fd0ac1b9a","abstract_canon_sha256":"520d188c7f834161626469d8b00e820f715ee6cd37b3923baabedacf54e13cd2"},"schema_version":"1.0"},"canonical_sha256":"24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:03.421160Z","signature_b64":"/6tVJToWv20SHu/ObZhG5wCgbGeB6IoyjBs5SrLvKOfW9qMNnSW0eWLOlLEYSLgg3r1RfDr4DgQVfOLjQwGAAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f","last_reissued_at":"2026-05-18T02:40:03.420655Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:03.420655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.7908","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T02:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xwrPDBi8KBjcPEUBdWkUAQDGxC/qMtUzpCYw4MwXFqrLJcRK77QnCi85hcAyVJMPxVEVpEA+ZaDKTvGGW1bKDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:14:03.147265Z"},"content_sha256":"8490a1a15d679f5563631f079241cafaea78dfa666b61cc88af5a5ef6cde9cfe","schema_version":"1.0","event_id":"sha256:8490a1a15d679f5563631f079241cafaea78dfa666b61cc88af5a5ef6cde9cfe"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:ERQGMGG3YSLDILNKIT4WYF5DYI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Schr\\\"odinger Spacetimes with Screen and Reduced Entanglement","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Harvendra Singh","submitted_at":"2013-09-30T16:22:02Z","abstract_excerpt":"We study a particular class of type II string vacua which become Schr\\\"odinger like spacetime in the IR region but are conformally AdS in asymptotic UV region. These solutions are found to possess some unique properties such as the presence of a spacetime `screen'. This Schr\\\"odinger (spacetime) screen is however very different from a black-hole horizon. It requires the presence of finite chemical potential and a negative charge density in the Schr\\\"odinger CFT. We find that these vacua give rise to reduced entanglement entropy as compared to Lifshitz-AdS counterpart, perhaps due to the screen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7908","kind":"arxiv","version":2},"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":"2026-05-18T02:40:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LVjCZGM610FLJDkLJSToghS0fEMWmdn8qSN32jL0R0artlQvfPlRA0pIc6tnRAzdjhcfJwUGTcjeQQocHoQRCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T23:14:03.147957Z"},"content_sha256":"efb4879b0ec3b6a8ed882a9a1c1c38c7675f86cfc3cbfd25ce3657fef082039d","schema_version":"1.0","event_id":"sha256:efb4879b0ec3b6a8ed882a9a1c1c38c7675f86cfc3cbfd25ce3657fef082039d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ERQGMGG3YSLDILNKIT4WYF5DYI/bundle.json","state_url":"https://pith.science/pith/ERQGMGG3YSLDILNKIT4WYF5DYI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ERQGMGG3YSLDILNKIT4WYF5DYI/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":"2026-05-28T23:14:03Z","links":{"resolver":"https://pith.science/pith/ERQGMGG3YSLDILNKIT4WYF5DYI","bundle":"https://pith.science/pith/ERQGMGG3YSLDILNKIT4WYF5DYI/bundle.json","state":"https://pith.science/pith/ERQGMGG3YSLDILNKIT4WYF5DYI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ERQGMGG3YSLDILNKIT4WYF5DYI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:ERQGMGG3YSLDILNKIT4WYF5DYI","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":"520d188c7f834161626469d8b00e820f715ee6cd37b3923baabedacf54e13cd2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-09-30T16:22:02Z","title_canon_sha256":"193906359ea32566535108981ce0602647ba9f28e498c3177fde892fd0ac1b9a"},"schema_version":"1.0","source":{"id":"1309.7908","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7908","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7908v2","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7908","created_at":"2026-05-18T02:40:03Z"},{"alias_kind":"pith_short_12","alias_value":"ERQGMGG3YSLD","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_16","alias_value":"ERQGMGG3YSLDILNK","created_at":"2026-05-18T12:27:43Z"},{"alias_kind":"pith_short_8","alias_value":"ERQGMGG3","created_at":"2026-05-18T12:27:43Z"}],"graph_snapshots":[{"event_id":"sha256:efb4879b0ec3b6a8ed882a9a1c1c38c7675f86cfc3cbfd25ce3657fef082039d","target":"graph","created_at":"2026-05-18T02:40:03Z","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 a particular class of type II string vacua which become Schr\\\"odinger like spacetime in the IR region but are conformally AdS in asymptotic UV region. These solutions are found to possess some unique properties such as the presence of a spacetime `screen'. This Schr\\\"odinger (spacetime) screen is however very different from a black-hole horizon. It requires the presence of finite chemical potential and a negative charge density in the Schr\\\"odinger CFT. We find that these vacua give rise to reduced entanglement entropy as compared to Lifshitz-AdS counterpart, perhaps due to the screen","authors_text":"Harvendra Singh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-09-30T16:22:02Z","title":"Schr\\\"odinger Spacetimes with Screen and Reduced Entanglement"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7908","kind":"arxiv","version":2},"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":"sha256:8490a1a15d679f5563631f079241cafaea78dfa666b61cc88af5a5ef6cde9cfe","target":"record","created_at":"2026-05-18T02:40:03Z","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":"520d188c7f834161626469d8b00e820f715ee6cd37b3923baabedacf54e13cd2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2013-09-30T16:22:02Z","title_canon_sha256":"193906359ea32566535108981ce0602647ba9f28e498c3177fde892fd0ac1b9a"},"schema_version":"1.0","source":{"id":"1309.7908","kind":"arxiv","version":2}},"canonical_sha256":"24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24606618dbc496342daa44f96c17a3c202d49875d861dfa36e5720be469c313f","first_computed_at":"2026-05-18T02:40:03.420655Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:03.420655Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/6tVJToWv20SHu/ObZhG5wCgbGeB6IoyjBs5SrLvKOfW9qMNnSW0eWLOlLEYSLgg3r1RfDr4DgQVfOLjQwGAAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:03.421160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.7908","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8490a1a15d679f5563631f079241cafaea78dfa666b61cc88af5a5ef6cde9cfe","sha256:efb4879b0ec3b6a8ed882a9a1c1c38c7675f86cfc3cbfd25ce3657fef082039d"],"state_sha256":"bd4ac81f972182f8d3794932a1d7fde2c063644f70aa367d8f1effd9e690d928"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mZz0SrokRbu0ZURaJBzGVqMh9+B8dzP+g2fvALesMzwZtGJOvBYElvqvscLyN1g9KhXLbGkH6e7XQv6GMRfxDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T23:14:03.151423Z","bundle_sha256":"71410e8653e2b976ba7cc58dfceef60debba48a924eb1483246f4d1ad1505939"}}