{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:7CTWIJWKH2EXBNCI4ZSBGDS6SO","short_pith_number":"pith:7CTWIJWK","canonical_record":{"source":{"id":"2405.08520","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-14T11:54:46Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"3a45212b5ca2701f7266231f4e43fa634f29be2389b269b37cd05389d6730ddf","abstract_canon_sha256":"bf7db3d81ab278c7ac24a01dfe90db28bb9b23cf0c9aff9db88758b9df82c463"},"schema_version":"1.0"},"canonical_sha256":"f8a76426ca3e8970b448e664130e5e938c5433d2ac010453656a91124c158990","source":{"kind":"arxiv","id":"2405.08520","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.08520","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"arxiv_version","alias_value":"2405.08520v1","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.08520","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"pith_short_12","alias_value":"7CTWIJWKH2EX","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"pith_short_16","alias_value":"7CTWIJWKH2EXBNCI","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"pith_short_8","alias_value":"7CTWIJWK","created_at":"2026-07-05T08:19:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:7CTWIJWKH2EXBNCI4ZSBGDS6SO","target":"record","payload":{"canonical_record":{"source":{"id":"2405.08520","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-14T11:54:46Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"3a45212b5ca2701f7266231f4e43fa634f29be2389b269b37cd05389d6730ddf","abstract_canon_sha256":"bf7db3d81ab278c7ac24a01dfe90db28bb9b23cf0c9aff9db88758b9df82c463"},"schema_version":"1.0"},"canonical_sha256":"f8a76426ca3e8970b448e664130e5e938c5433d2ac010453656a91124c158990","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:19:01.556547Z","signature_b64":"e5+SlDMZbAaNaqGHzS+X51eZusQFlESItoAHOA6rdMbBdc+KQnu7BLa/Hu0mhk03/O6XIRr1f00sL2feNnJrBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f8a76426ca3e8970b448e664130e5e938c5433d2ac010453656a91124c158990","last_reissued_at":"2026-07-05T08:19:01.556061Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:19:01.556061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2405.08520","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":"2026-07-05T08:19:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B5jz4g0VizPCdP8qkV/ihlZPSt1oz4Yf43YUeBS7ZCtY1OrcfZDqBr4EIxkVZ4lMNKleEEa++hNhteGhcRICDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:55:28.572075Z"},"content_sha256":"0d3f83288988f93d4e913fc2481fc3d8abdfb66bf9891c1a5636961a5974a3e9","schema_version":"1.0","event_id":"sha256:0d3f83288988f93d4e913fc2481fc3d8abdfb66bf9891c1a5636961a5974a3e9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:7CTWIJWKH2EXBNCI4ZSBGDS6SO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Empowering Programmable Wireless Environments with Optical Anchor-based Positioning","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Christos K. Liaskos, Dimitrios Bozanis, Dimitrios Tyrovolas, George K. Karagiannidis, Panagiotis D. Diamantoulakis, Robert Schober, Sotiris A. Tegos, Vasilis K. Papanikolaou","submitted_at":"2024-05-14T11:54:46Z","abstract_excerpt":"The evolution toward sixth-generation (6G) wireless networks has introduced programmable wireless environments (PWEs) and reconfigurable intelligent surfaces (RISs) as transformative elements for achieving near-deterministic wireless communications. However, the enhanced capabilities of RISs within PWEs, especially as we move toward more complex electromagnetic functions by increasing the number of reflecting elements, underscore the need for high-precision user localization, since inaccurate localization could lead to erroneous configuration of RISs, which would then compromise the effectiven"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.08520","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/2405.08520/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":"2026-07-05T08:19:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1OmBNCUuUZ59HocRA/hCoJRqH8t2FQSAZeKFs23rzz4ymviQTA8OYqkwr0glw8mo17SlY4uXry2NddxCGJmAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:55:28.572479Z"},"content_sha256":"273060d5b5276f7de2b53ae16d9cbe9b7641f91b2206f3aba0da1c0f4f4e773a","schema_version":"1.0","event_id":"sha256:273060d5b5276f7de2b53ae16d9cbe9b7641f91b2206f3aba0da1c0f4f4e773a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO/bundle.json","state_url":"https://pith.science/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO/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":"2026-07-07T05:55:28Z","links":{"resolver":"https://pith.science/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO","bundle":"https://pith.science/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO/bundle.json","state":"https://pith.science/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7CTWIJWKH2EXBNCI4ZSBGDS6SO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:7CTWIJWKH2EXBNCI4ZSBGDS6SO","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":"bf7db3d81ab278c7ac24a01dfe90db28bb9b23cf0c9aff9db88758b9df82c463","cross_cats_sorted":["math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-14T11:54:46Z","title_canon_sha256":"3a45212b5ca2701f7266231f4e43fa634f29be2389b269b37cd05389d6730ddf"},"schema_version":"1.0","source":{"id":"2405.08520","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2405.08520","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"arxiv_version","alias_value":"2405.08520v1","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2405.08520","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"pith_short_12","alias_value":"7CTWIJWKH2EX","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"pith_short_16","alias_value":"7CTWIJWKH2EXBNCI","created_at":"2026-07-05T08:19:01Z"},{"alias_kind":"pith_short_8","alias_value":"7CTWIJWK","created_at":"2026-07-05T08:19:01Z"}],"graph_snapshots":[{"event_id":"sha256:273060d5b5276f7de2b53ae16d9cbe9b7641f91b2206f3aba0da1c0f4f4e773a","target":"graph","created_at":"2026-07-05T08:19:01Z","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/2405.08520/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The evolution toward sixth-generation (6G) wireless networks has introduced programmable wireless environments (PWEs) and reconfigurable intelligent surfaces (RISs) as transformative elements for achieving near-deterministic wireless communications. However, the enhanced capabilities of RISs within PWEs, especially as we move toward more complex electromagnetic functions by increasing the number of reflecting elements, underscore the need for high-precision user localization, since inaccurate localization could lead to erroneous configuration of RISs, which would then compromise the effectiven","authors_text":"Christos K. Liaskos, Dimitrios Bozanis, Dimitrios Tyrovolas, George K. Karagiannidis, Panagiotis D. Diamantoulakis, Robert Schober, Sotiris A. Tegos, Vasilis K. Papanikolaou","cross_cats":["math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-14T11:54:46Z","title":"Empowering Programmable Wireless Environments with Optical Anchor-based Positioning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2405.08520","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":"sha256:0d3f83288988f93d4e913fc2481fc3d8abdfb66bf9891c1a5636961a5974a3e9","target":"record","created_at":"2026-07-05T08:19:01Z","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":"bf7db3d81ab278c7ac24a01dfe90db28bb9b23cf0c9aff9db88758b9df82c463","cross_cats_sorted":["math.IT"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.IT","submitted_at":"2024-05-14T11:54:46Z","title_canon_sha256":"3a45212b5ca2701f7266231f4e43fa634f29be2389b269b37cd05389d6730ddf"},"schema_version":"1.0","source":{"id":"2405.08520","kind":"arxiv","version":1}},"canonical_sha256":"f8a76426ca3e8970b448e664130e5e938c5433d2ac010453656a91124c158990","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f8a76426ca3e8970b448e664130e5e938c5433d2ac010453656a91124c158990","first_computed_at":"2026-07-05T08:19:01.556061Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:19:01.556061Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"e5+SlDMZbAaNaqGHzS+X51eZusQFlESItoAHOA6rdMbBdc+KQnu7BLa/Hu0mhk03/O6XIRr1f00sL2feNnJrBA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:19:01.556547Z","signed_message":"canonical_sha256_bytes"},"source_id":"2405.08520","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0d3f83288988f93d4e913fc2481fc3d8abdfb66bf9891c1a5636961a5974a3e9","sha256:273060d5b5276f7de2b53ae16d9cbe9b7641f91b2206f3aba0da1c0f4f4e773a"],"state_sha256":"afc81c850f5e558a5013c0f35936cab9aa68af664e639823778874fcfebeaca0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0OFPrK2iDpfxGzokvxtxa/aVYquhlweun3z3/G0moeVlNVT0jv3h8IhoWrQ8nkBhRokAEY3wTa8vU/rbCPNUBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:55:28.574673Z","bundle_sha256":"3c2d249758bf857ed20876b649abff4af2e7097544affbedd49aa7679c656cc5"}}