{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:OUKPMVFMULA5WTHA2BX2JP3J7J","short_pith_number":"pith:OUKPMVFM","canonical_record":{"source":{"id":"1409.1467","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-09-04T15:30:59Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"f66428f1649ac12c11bbbd270bd57ba3c8ff4dc7f92bac324bad9c9e05c6769f","abstract_canon_sha256":"012590818516c05d7ed04646f4751410ef1b026ea901b61579e25b0580a71f49"},"schema_version":"1.0"},"canonical_sha256":"7514f654aca2c1db4ce0d06fa4bf69fa556994aa0dd5fcab2fb91847f0754b3d","source":{"kind":"arxiv","id":"1409.1467","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1467","created_at":"2026-05-17T23:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1467v2","created_at":"2026-05-17T23:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1467","created_at":"2026-05-17T23:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"OUKPMVFMULA5","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OUKPMVFMULA5WTHA","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OUKPMVFM","created_at":"2026-05-18T12:28:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:OUKPMVFMULA5WTHA2BX2JP3J7J","target":"record","payload":{"canonical_record":{"source":{"id":"1409.1467","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-09-04T15:30:59Z","cross_cats_sorted":["math.IT"],"title_canon_sha256":"f66428f1649ac12c11bbbd270bd57ba3c8ff4dc7f92bac324bad9c9e05c6769f","abstract_canon_sha256":"012590818516c05d7ed04646f4751410ef1b026ea901b61579e25b0580a71f49"},"schema_version":"1.0"},"canonical_sha256":"7514f654aca2c1db4ce0d06fa4bf69fa556994aa0dd5fcab2fb91847f0754b3d","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:58:50.700174Z","signature_b64":"fM7OfElAnLoXXHJjJ1hKSu4XTifygr8jMXPYQr0SuZHRmbOk5tgLb+r/gbqvo73aDFmoy+MCdqtqjM011/wlAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7514f654aca2c1db4ce0d06fa4bf69fa556994aa0dd5fcab2fb91847f0754b3d","last_reissued_at":"2026-05-17T23:58:50.699642Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:58:50.699642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1409.1467","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":"2026-05-17T23:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gNu+iu+Mjl7HfKF5UEdQh6mvk76tkJN8x0ZWtlN9E5d8LsHUUa4DEBhk7Wz4N2SxVI3cb9V8bQ5CtMf/PWLgBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T08:21:22.162055Z"},"content_sha256":"b154a0f874b36368eefca42b222b8fbddbde00483f4a6936c86c73ca0afaff40","schema_version":"1.0","event_id":"sha256:b154a0f874b36368eefca42b222b8fbddbde00483f4a6936c86c73ca0afaff40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:OUKPMVFMULA5WTHA2BX2JP3J7J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evaluation of Position-related Information in Multipath Components for Indoor Positioning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["math.IT"],"primary_cat":"cs.IT","authors_text":"Christoph R\\\"udisser, Erik Leitinger, Gregor Dumphart, Klaus Witrisal, Paul Meissner","submitted_at":"2014-09-04T15:30:59Z","abstract_excerpt":"Location awareness is a key factor for a wealth of wireless indoor applications. Its provision requires the careful fusion of diverse information sources. For agents that use radio signals for localization, this information may either come from signal transmissions with respect to fixed anchors, from cooperative transmissions inbetween agents, or from radar-like monostatic transmissions. Using a-priori knowledge of a floor plan of the environment, specular multipath components can be exploited, based on a geometric-stochastic channel model. In this paper, a unified framework is presented for t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1467","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":"2026-05-17T23:58:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lrGjCJg+qeAIK1h11VcMpeVkNW7K94nzjsxcMny79FXMNIiOFg8LzTbZlMZ1edzjZ/8PT1bC2+IZ2oAgvq0uDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T08:21:22.162643Z"},"content_sha256":"2467f50212feea9be7ec176f1ba2d1231133bdebf310e7a4a02ca7f868ed39a8","schema_version":"1.0","event_id":"sha256:2467f50212feea9be7ec176f1ba2d1231133bdebf310e7a4a02ca7f868ed39a8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OUKPMVFMULA5WTHA2BX2JP3J7J/bundle.json","state_url":"https://pith.science/pith/OUKPMVFMULA5WTHA2BX2JP3J7J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OUKPMVFMULA5WTHA2BX2JP3J7J/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":"2026-06-24T08:21:22Z","links":{"resolver":"https://pith.science/pith/OUKPMVFMULA5WTHA2BX2JP3J7J","bundle":"https://pith.science/pith/OUKPMVFMULA5WTHA2BX2JP3J7J/bundle.json","state":"https://pith.science/pith/OUKPMVFMULA5WTHA2BX2JP3J7J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OUKPMVFMULA5WTHA2BX2JP3J7J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:OUKPMVFMULA5WTHA2BX2JP3J7J","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":"012590818516c05d7ed04646f4751410ef1b026ea901b61579e25b0580a71f49","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-09-04T15:30:59Z","title_canon_sha256":"f66428f1649ac12c11bbbd270bd57ba3c8ff4dc7f92bac324bad9c9e05c6769f"},"schema_version":"1.0","source":{"id":"1409.1467","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1409.1467","created_at":"2026-05-17T23:58:50Z"},{"alias_kind":"arxiv_version","alias_value":"1409.1467v2","created_at":"2026-05-17T23:58:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1409.1467","created_at":"2026-05-17T23:58:50Z"},{"alias_kind":"pith_short_12","alias_value":"OUKPMVFMULA5","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_16","alias_value":"OUKPMVFMULA5WTHA","created_at":"2026-05-18T12:28:43Z"},{"alias_kind":"pith_short_8","alias_value":"OUKPMVFM","created_at":"2026-05-18T12:28:43Z"}],"graph_snapshots":[{"event_id":"sha256:2467f50212feea9be7ec176f1ba2d1231133bdebf310e7a4a02ca7f868ed39a8","target":"graph","created_at":"2026-05-17T23:58:50Z","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":"Location awareness is a key factor for a wealth of wireless indoor applications. Its provision requires the careful fusion of diverse information sources. For agents that use radio signals for localization, this information may either come from signal transmissions with respect to fixed anchors, from cooperative transmissions inbetween agents, or from radar-like monostatic transmissions. Using a-priori knowledge of a floor plan of the environment, specular multipath components can be exploited, based on a geometric-stochastic channel model. In this paper, a unified framework is presented for t","authors_text":"Christoph R\\\"udisser, Erik Leitinger, Gregor Dumphart, Klaus Witrisal, Paul Meissner","cross_cats":["math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-09-04T15:30:59Z","title":"Evaluation of Position-related Information in Multipath Components for Indoor Positioning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.1467","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:b154a0f874b36368eefca42b222b8fbddbde00483f4a6936c86c73ca0afaff40","target":"record","created_at":"2026-05-17T23:58:50Z","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":"012590818516c05d7ed04646f4751410ef1b026ea901b61579e25b0580a71f49","cross_cats_sorted":["math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2014-09-04T15:30:59Z","title_canon_sha256":"f66428f1649ac12c11bbbd270bd57ba3c8ff4dc7f92bac324bad9c9e05c6769f"},"schema_version":"1.0","source":{"id":"1409.1467","kind":"arxiv","version":2}},"canonical_sha256":"7514f654aca2c1db4ce0d06fa4bf69fa556994aa0dd5fcab2fb91847f0754b3d","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7514f654aca2c1db4ce0d06fa4bf69fa556994aa0dd5fcab2fb91847f0754b3d","first_computed_at":"2026-05-17T23:58:50.699642Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:58:50.699642Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fM7OfElAnLoXXHJjJ1hKSu4XTifygr8jMXPYQr0SuZHRmbOk5tgLb+r/gbqvo73aDFmoy+MCdqtqjM011/wlAA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:58:50.700174Z","signed_message":"canonical_sha256_bytes"},"source_id":"1409.1467","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b154a0f874b36368eefca42b222b8fbddbde00483f4a6936c86c73ca0afaff40","sha256:2467f50212feea9be7ec176f1ba2d1231133bdebf310e7a4a02ca7f868ed39a8"],"state_sha256":"d84ac5a7137bcc7e5b0ea294ce24ff78b21ab19645be33cbf32661cba174e069"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0U+BA99BjIbFc5lshXGls/WQxBKL82Aw5Rn+8Io/uaKIqh0PEZMFHuyt5kJ8QlJf+nZKiWMdXTl0IZzX4Ps/Bg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T08:21:22.165252Z","bundle_sha256":"88427784ed3f46ccf57637b43d2a1d66a783d5570f68e850223719a30c4d07b5"}}