{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:XNEUCTH75I5ZM7E6D5YEZQHYOP","short_pith_number":"pith:XNEUCTH7","canonical_record":{"source":{"id":"2506.23966","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-06-30T15:36:40Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"44d408f86e862d118c196827ea49f714b20de528e9545387ba285c4e1ac874eb","abstract_canon_sha256":"34932f6a01e74022fb58e7027564ca3e1a6f3cb3ff3b8f1e939ed1c46a3126a1"},"schema_version":"1.0"},"canonical_sha256":"bb49414cffea3b967c9e1f704cc0f873d3c469658b07c13bd4d86c01c3ec0b2f","source":{"kind":"arxiv","id":"2506.23966","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.23966","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"arxiv_version","alias_value":"2506.23966v1","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.23966","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"pith_short_12","alias_value":"XNEUCTH75I5Z","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"pith_short_16","alias_value":"XNEUCTH75I5ZM7E6","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"pith_short_8","alias_value":"XNEUCTH7","created_at":"2026-07-05T11:29:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:XNEUCTH75I5ZM7E6D5YEZQHYOP","target":"record","payload":{"canonical_record":{"source":{"id":"2506.23966","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-06-30T15:36:40Z","cross_cats_sorted":["cs.IT","math.IT"],"title_canon_sha256":"44d408f86e862d118c196827ea49f714b20de528e9545387ba285c4e1ac874eb","abstract_canon_sha256":"34932f6a01e74022fb58e7027564ca3e1a6f3cb3ff3b8f1e939ed1c46a3126a1"},"schema_version":"1.0"},"canonical_sha256":"bb49414cffea3b967c9e1f704cc0f873d3c469658b07c13bd4d86c01c3ec0b2f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:29:30.878211Z","signature_b64":"k82mzo8KvvVKV+bONP2vWoLK0TdhT5rX2zfI0Os1oZuEmhi1qvx6D0PSVNf7OHYvXCptAU3JI4dgnLUX5/GqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bb49414cffea3b967c9e1f704cc0f873d3c469658b07c13bd4d86c01c3ec0b2f","last_reissued_at":"2026-07-05T11:29:30.877732Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:29:30.877732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2506.23966","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":"2026-07-05T11:29:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"06odbklCwl7seS+I3t8cYYMcty8u3BmLcxS7ZIWnIf7HNRb4UW91gjMPplzVY8WKlw2SPIwL84vML7G8ntiJCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:27:59.127306Z"},"content_sha256":"694482bdc40f64c832b931920d530c91e75f7ab8492d73b41fee72e33534a168","schema_version":"1.0","event_id":"sha256:694482bdc40f64c832b931920d530c91e75f7ab8492d73b41fee72e33534a168"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:XNEUCTH75I5ZM7E6D5YEZQHYOP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Pinching-Antenna Systems with In-Waveguide Attenuation: Performance Analysis and Algorithm Design","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["cs.IT","math.IT"],"primary_cat":"eess.SP","authors_text":"Robert Schober, Tsung-Hui Chang, Yanqing Xu, Zhiguo Ding","submitted_at":"2025-06-30T15:36:40Z","abstract_excerpt":"Pinching-antenna systems have emerged as a promising flexible-antenna architecture for next-generation wireless networks, enabling enhanced adaptability and user-centric connectivity through antenna repositioning along waveguides. However, existing studies often overlook in-waveguide signal attenuation and in the literature, there is no comprehensive analysis on whether and under what conditions such an assumption is justified. This paper addresses this gap by explicitly incorporating in-waveguide attenuation into both the system model and algorithm design, and studying its impact on the downl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.23966","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/2506.23966/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":"2026-07-05T11:29:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lx3pHUQ8nUbzt/crthUSz8e+B2Qke87S/2uag/d5Z/eOnT1N1fTHAbO0o89OypRtr7DFEDu6gHlLue4bjaW3BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T18:27:59.128466Z"},"content_sha256":"5c5a6bc2f341d0aed43da881ac9eab8bfcafdc5fe95b748e554024954c8a22e6","schema_version":"1.0","event_id":"sha256:5c5a6bc2f341d0aed43da881ac9eab8bfcafdc5fe95b748e554024954c8a22e6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP/bundle.json","state_url":"https://pith.science/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP/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":"2026-08-23T18:27:59Z","links":{"resolver":"https://pith.science/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP","bundle":"https://pith.science/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP/bundle.json","state":"https://pith.science/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XNEUCTH75I5ZM7E6D5YEZQHYOP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:XNEUCTH75I5ZM7E6D5YEZQHYOP","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":"34932f6a01e74022fb58e7027564ca3e1a6f3cb3ff3b8f1e939ed1c46a3126a1","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-06-30T15:36:40Z","title_canon_sha256":"44d408f86e862d118c196827ea49f714b20de528e9545387ba285c4e1ac874eb"},"schema_version":"1.0","source":{"id":"2506.23966","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2506.23966","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"arxiv_version","alias_value":"2506.23966v1","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2506.23966","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"pith_short_12","alias_value":"XNEUCTH75I5Z","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"pith_short_16","alias_value":"XNEUCTH75I5ZM7E6","created_at":"2026-07-05T11:29:30Z"},{"alias_kind":"pith_short_8","alias_value":"XNEUCTH7","created_at":"2026-07-05T11:29:30Z"}],"graph_snapshots":[{"event_id":"sha256:5c5a6bc2f341d0aed43da881ac9eab8bfcafdc5fe95b748e554024954c8a22e6","target":"graph","created_at":"2026-07-05T11:29:30Z","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/2506.23966/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Pinching-antenna systems have emerged as a promising flexible-antenna architecture for next-generation wireless networks, enabling enhanced adaptability and user-centric connectivity through antenna repositioning along waveguides. However, existing studies often overlook in-waveguide signal attenuation and in the literature, there is no comprehensive analysis on whether and under what conditions such an assumption is justified. This paper addresses this gap by explicitly incorporating in-waveguide attenuation into both the system model and algorithm design, and studying its impact on the downl","authors_text":"Robert Schober, Tsung-Hui Chang, Yanqing Xu, Zhiguo Ding","cross_cats":["cs.IT","math.IT"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-06-30T15:36:40Z","title":"Pinching-Antenna Systems with In-Waveguide Attenuation: Performance Analysis and Algorithm Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2506.23966","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":"sha256:694482bdc40f64c832b931920d530c91e75f7ab8492d73b41fee72e33534a168","target":"record","created_at":"2026-07-05T11:29:30Z","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":"34932f6a01e74022fb58e7027564ca3e1a6f3cb3ff3b8f1e939ed1c46a3126a1","cross_cats_sorted":["cs.IT","math.IT"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"eess.SP","submitted_at":"2025-06-30T15:36:40Z","title_canon_sha256":"44d408f86e862d118c196827ea49f714b20de528e9545387ba285c4e1ac874eb"},"schema_version":"1.0","source":{"id":"2506.23966","kind":"arxiv","version":1}},"canonical_sha256":"bb49414cffea3b967c9e1f704cc0f873d3c469658b07c13bd4d86c01c3ec0b2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bb49414cffea3b967c9e1f704cc0f873d3c469658b07c13bd4d86c01c3ec0b2f","first_computed_at":"2026-07-05T11:29:30.877732Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:29:30.877732Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"k82mzo8KvvVKV+bONP2vWoLK0TdhT5rX2zfI0Os1oZuEmhi1qvx6D0PSVNf7OHYvXCptAU3JI4dgnLUX5/GqCQ==","signature_status":"signed_v1","signed_at":"2026-07-05T11:29:30.878211Z","signed_message":"canonical_sha256_bytes"},"source_id":"2506.23966","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:694482bdc40f64c832b931920d530c91e75f7ab8492d73b41fee72e33534a168","sha256:5c5a6bc2f341d0aed43da881ac9eab8bfcafdc5fe95b748e554024954c8a22e6"],"state_sha256":"d5686392f8a5226419c7e92153ef4ab2c069ab6dab627975104aa8952b926e76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pQ20aVEbBWgE2Cl6nZrHnOEmP9tCqmfqNID0AmrWxC6X7dWf0KRIkmx7JHDjoY66J72S4aHYvSDPLSHMR0kqDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T18:27:59.133527Z","bundle_sha256":"526cc4f0da62a49f36a55596d1b0e1d32e7d483e1a39c880465b67ebc1d89bd8"}}