{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:7QRWAMH56TIRJ7GMSK72E2AUYW","short_pith_number":"pith:7QRWAMH5","canonical_record":{"source":{"id":"1201.4479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-01-21T14:51:31Z","cross_cats_sorted":["cs.DB","math.IT"],"title_canon_sha256":"07cc2a93d0c21bc43668cebb2c5276e11eef53693f0b42ba535ce9df77e90bd2","abstract_canon_sha256":"8801cd085d2c09da85fe6de5f3ca88ad4c66df378ef4a887fbdece14b1cc582b"},"schema_version":"1.0"},"canonical_sha256":"fc236030fdf4d114fccc92bfa26814c584eabd669321639de43fbd84495edda9","source":{"kind":"arxiv","id":"1201.4479","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4479","created_at":"2026-05-18T04:04:05Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4479v1","created_at":"2026-05-18T04:04:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4479","created_at":"2026-05-18T04:04:05Z"},{"alias_kind":"pith_short_12","alias_value":"7QRWAMH56TIR","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7QRWAMH56TIRJ7GM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7QRWAMH5","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:7QRWAMH56TIRJ7GMSK72E2AUYW","target":"record","payload":{"canonical_record":{"source":{"id":"1201.4479","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-01-21T14:51:31Z","cross_cats_sorted":["cs.DB","math.IT"],"title_canon_sha256":"07cc2a93d0c21bc43668cebb2c5276e11eef53693f0b42ba535ce9df77e90bd2","abstract_canon_sha256":"8801cd085d2c09da85fe6de5f3ca88ad4c66df378ef4a887fbdece14b1cc582b"},"schema_version":"1.0"},"canonical_sha256":"fc236030fdf4d114fccc92bfa26814c584eabd669321639de43fbd84495edda9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:04:05.939076Z","signature_b64":"wlRBO4+AY7YU2j8TOVtfG5lf2oNMbf4LQas/8O52IH9Tqi6H3YFxkOAtHwGUrQYPxo7Tb9C8r57X3v+Bk/PwDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc236030fdf4d114fccc92bfa26814c584eabd669321639de43fbd84495edda9","last_reissued_at":"2026-05-18T04:04:05.938568Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:04:05.938568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.4479","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":"2026-05-18T04:04:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MMK4X8Cyo4PAgwOsU9lZ9CpmEpt8hRwnoXq8cS65bFYncb6WMB8Qw/P/N1hAcbuH+MnRgPGpmlBewKz9Zq2JAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:32:23.404303Z"},"content_sha256":"0edc9a3a73d5f5396330d191d46df0312d5003fbfda8795b49041db1092f7a7f","schema_version":"1.0","event_id":"sha256:0edc9a3a73d5f5396330d191d46df0312d5003fbfda8795b49041db1092f7a7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:7QRWAMH56TIRJ7GMSK72E2AUYW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Distributed Data Storage in Large-Scale Sensor Networks Based on LT Codes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DB","math.IT"],"primary_cat":"cs.IT","authors_text":"Abbas Jamalipour, Saber Jafarizadeh","submitted_at":"2012-01-21T14:51:31Z","abstract_excerpt":"This paper proposes an algorithm for increasing data persistency in large-scale sensor networks. In the scenario considered here, k out of n nodes sense the phenomenon and produced ? information packets. Due to usually hazardous environment and limited resources, e.g. energy, sensors in the network are vulnerable. Also due to the large size of the network, gathering information from a few central hopes is not feasible. Flooding is not a desired option either due to limited memory of each node. Therefore the best approach to increase data persistency is propagating data throughout the network b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4479","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":""},"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":"2026-05-18T04:04:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gBajNFsq4hgtUCh2aCTbaaJHRF4x1WaQU/Efhcs5xxYI2Uvho2BHUPfI0Gu0vGuCmHexad/MQUzSRuGz/NNgCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:32:23.405051Z"},"content_sha256":"f0968434b9417352a2b4a1276df9a53e88cedb498fd00673b75ce3d44dc13d33","schema_version":"1.0","event_id":"sha256:f0968434b9417352a2b4a1276df9a53e88cedb498fd00673b75ce3d44dc13d33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7QRWAMH56TIRJ7GMSK72E2AUYW/bundle.json","state_url":"https://pith.science/pith/7QRWAMH56TIRJ7GMSK72E2AUYW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7QRWAMH56TIRJ7GMSK72E2AUYW/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":"2026-06-07T17:32:23Z","links":{"resolver":"https://pith.science/pith/7QRWAMH56TIRJ7GMSK72E2AUYW","bundle":"https://pith.science/pith/7QRWAMH56TIRJ7GMSK72E2AUYW/bundle.json","state":"https://pith.science/pith/7QRWAMH56TIRJ7GMSK72E2AUYW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7QRWAMH56TIRJ7GMSK72E2AUYW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:7QRWAMH56TIRJ7GMSK72E2AUYW","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":"8801cd085d2c09da85fe6de5f3ca88ad4c66df378ef4a887fbdece14b1cc582b","cross_cats_sorted":["cs.DB","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-01-21T14:51:31Z","title_canon_sha256":"07cc2a93d0c21bc43668cebb2c5276e11eef53693f0b42ba535ce9df77e90bd2"},"schema_version":"1.0","source":{"id":"1201.4479","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.4479","created_at":"2026-05-18T04:04:05Z"},{"alias_kind":"arxiv_version","alias_value":"1201.4479v1","created_at":"2026-05-18T04:04:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.4479","created_at":"2026-05-18T04:04:05Z"},{"alias_kind":"pith_short_12","alias_value":"7QRWAMH56TIR","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"7QRWAMH56TIRJ7GM","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"7QRWAMH5","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:f0968434b9417352a2b4a1276df9a53e88cedb498fd00673b75ce3d44dc13d33","target":"graph","created_at":"2026-05-18T04:04:05Z","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":"This paper proposes an algorithm for increasing data persistency in large-scale sensor networks. In the scenario considered here, k out of n nodes sense the phenomenon and produced ? information packets. Due to usually hazardous environment and limited resources, e.g. energy, sensors in the network are vulnerable. Also due to the large size of the network, gathering information from a few central hopes is not feasible. Flooding is not a desired option either due to limited memory of each node. Therefore the best approach to increase data persistency is propagating data throughout the network b","authors_text":"Abbas Jamalipour, Saber Jafarizadeh","cross_cats":["cs.DB","math.IT"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-01-21T14:51:31Z","title":"Distributed Data Storage in Large-Scale Sensor Networks Based on LT Codes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.4479","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":"sha256:0edc9a3a73d5f5396330d191d46df0312d5003fbfda8795b49041db1092f7a7f","target":"record","created_at":"2026-05-18T04:04:05Z","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":"8801cd085d2c09da85fe6de5f3ca88ad4c66df378ef4a887fbdece14b1cc582b","cross_cats_sorted":["cs.DB","math.IT"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.IT","submitted_at":"2012-01-21T14:51:31Z","title_canon_sha256":"07cc2a93d0c21bc43668cebb2c5276e11eef53693f0b42ba535ce9df77e90bd2"},"schema_version":"1.0","source":{"id":"1201.4479","kind":"arxiv","version":1}},"canonical_sha256":"fc236030fdf4d114fccc92bfa26814c584eabd669321639de43fbd84495edda9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fc236030fdf4d114fccc92bfa26814c584eabd669321639de43fbd84495edda9","first_computed_at":"2026-05-18T04:04:05.938568Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:04:05.938568Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"wlRBO4+AY7YU2j8TOVtfG5lf2oNMbf4LQas/8O52IH9Tqi6H3YFxkOAtHwGUrQYPxo7Tb9C8r57X3v+Bk/PwDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:04:05.939076Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.4479","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0edc9a3a73d5f5396330d191d46df0312d5003fbfda8795b49041db1092f7a7f","sha256:f0968434b9417352a2b4a1276df9a53e88cedb498fd00673b75ce3d44dc13d33"],"state_sha256":"c8bf035fb72f89eb6525e63e014d47b7ff73fdaeaf36df39651c3700098e3751"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4jGsp8sLvfusm8c63d/G2BWghJZblVt3LXfnI+SYwDULYIXpVziU0zMHYsBg5zdb1KNIEgT7IVJYzcuI7RYwAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:32:23.409066Z","bundle_sha256":"962292c95ae133b899640df0309d270ee818f99a845fc0bd4d4645c0025fd5d7"}}