{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:TG7M3N6PW3DDZPDIN6NY7EIBGT","short_pith_number":"pith:TG7M3N6P","canonical_record":{"source":{"id":"1303.2447","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-03-11T08:02:52Z","cross_cats_sorted":[],"title_canon_sha256":"e3773934d02e13148d45fa24f3ee9041139cd74685a4edfb8ae0f46e4e3e4051","abstract_canon_sha256":"0b4fe20d4936f87f6da7d7e1c97e6d3f24dd898d49cf451e5aee69e65f20ea2f"},"schema_version":"1.0"},"canonical_sha256":"99becdb7cfb6c63cbc686f9b8f910134c4dfe63dd00769570aec03ff74abeb3c","source":{"kind":"arxiv","id":"1303.2447","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2447","created_at":"2026-05-18T00:57:56Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2447v1","created_at":"2026-05-18T00:57:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2447","created_at":"2026-05-18T00:57:56Z"},{"alias_kind":"pith_short_12","alias_value":"TG7M3N6PW3DD","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TG7M3N6PW3DDZPDI","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TG7M3N6P","created_at":"2026-05-18T12:28:02Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:TG7M3N6PW3DDZPDIN6NY7EIBGT","target":"record","payload":{"canonical_record":{"source":{"id":"1303.2447","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-03-11T08:02:52Z","cross_cats_sorted":[],"title_canon_sha256":"e3773934d02e13148d45fa24f3ee9041139cd74685a4edfb8ae0f46e4e3e4051","abstract_canon_sha256":"0b4fe20d4936f87f6da7d7e1c97e6d3f24dd898d49cf451e5aee69e65f20ea2f"},"schema_version":"1.0"},"canonical_sha256":"99becdb7cfb6c63cbc686f9b8f910134c4dfe63dd00769570aec03ff74abeb3c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:57:56.508059Z","signature_b64":"bnkOWYss06UuePQV4IMqhfM5VXo+dbIM8fLmPfPaY7KPfmxwNh7RYaNe+oZYw2B0ef8OgZx5OHvwCAb2hdngAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"99becdb7cfb6c63cbc686f9b8f910134c4dfe63dd00769570aec03ff74abeb3c","last_reissued_at":"2026-05-18T00:57:56.507631Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:57:56.507631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.2447","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":"2026-05-18T00:57:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"t7EohgoIAXAE6aw4zZUObQ6M8odCV6mf+gbUGgXWWj+Mq+yb2tFpZ9Kx0fFIV8MyJ11iuY1i8ydu5PG08JYLDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:55:01.424047Z"},"content_sha256":"09e3497770bc95ceb5ceef6d4e46823ee04452ba5727313eecd9788fe2256976","schema_version":"1.0","event_id":"sha256:09e3497770bc95ceb5ceef6d4e46823ee04452ba5727313eecd9788fe2256976"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:TG7M3N6PW3DDZPDIN6NY7EIBGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Context-aware Sensor Search, Selection and Ranking Model for Internet of Things Middleware","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.NI","authors_text":"Arkady Zaslavsky, Charith Perera, Dimitrios Georgakopoulos, Michael Compton, Peter Christen","submitted_at":"2013-03-11T08:02:52Z","abstract_excerpt":"As we are moving towards the Internet of Things (IoT), the number of sensors deployed around the world is growing at a rapid pace. Market research has shown a significant growth of sensor deployments over the past decade and has predicted a substantial acceleration of the growth rate in the future. It is also evident that the increasing number of IoT middleware solutions are developed in both research and commercial environments. However, sensor search and selection remain a critical requirement and a challenge. In this paper, we present CASSARAM, a context-aware sensor search, selection, and "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2447","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":"2026-05-18T00:57:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hPZ+p77x5fg/pbRwg/slvBf6zQGWS2aZo8FAD59d1y9F2jivPDg06kQESWDn7e5iTbju/xxNCWEeqSSjV139AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T12:55:01.424405Z"},"content_sha256":"ffd31b11527f6bc2a394f7e58bcf288c6105fa7a8f051dcc24d9701b97af01ec","schema_version":"1.0","event_id":"sha256:ffd31b11527f6bc2a394f7e58bcf288c6105fa7a8f051dcc24d9701b97af01ec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT/bundle.json","state_url":"https://pith.science/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT/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":"2026-06-01T12:55:01Z","links":{"resolver":"https://pith.science/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT","bundle":"https://pith.science/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT/bundle.json","state":"https://pith.science/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TG7M3N6PW3DDZPDIN6NY7EIBGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:TG7M3N6PW3DDZPDIN6NY7EIBGT","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":"0b4fe20d4936f87f6da7d7e1c97e6d3f24dd898d49cf451e5aee69e65f20ea2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-03-11T08:02:52Z","title_canon_sha256":"e3773934d02e13148d45fa24f3ee9041139cd74685a4edfb8ae0f46e4e3e4051"},"schema_version":"1.0","source":{"id":"1303.2447","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.2447","created_at":"2026-05-18T00:57:56Z"},{"alias_kind":"arxiv_version","alias_value":"1303.2447v1","created_at":"2026-05-18T00:57:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.2447","created_at":"2026-05-18T00:57:56Z"},{"alias_kind":"pith_short_12","alias_value":"TG7M3N6PW3DD","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_16","alias_value":"TG7M3N6PW3DDZPDI","created_at":"2026-05-18T12:28:02Z"},{"alias_kind":"pith_short_8","alias_value":"TG7M3N6P","created_at":"2026-05-18T12:28:02Z"}],"graph_snapshots":[{"event_id":"sha256:ffd31b11527f6bc2a394f7e58bcf288c6105fa7a8f051dcc24d9701b97af01ec","target":"graph","created_at":"2026-05-18T00:57:56Z","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":"As we are moving towards the Internet of Things (IoT), the number of sensors deployed around the world is growing at a rapid pace. Market research has shown a significant growth of sensor deployments over the past decade and has predicted a substantial acceleration of the growth rate in the future. It is also evident that the increasing number of IoT middleware solutions are developed in both research and commercial environments. However, sensor search and selection remain a critical requirement and a challenge. In this paper, we present CASSARAM, a context-aware sensor search, selection, and ","authors_text":"Arkady Zaslavsky, Charith Perera, Dimitrios Georgakopoulos, Michael Compton, Peter Christen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-03-11T08:02:52Z","title":"Context-aware Sensor Search, Selection and Ranking Model for Internet of Things Middleware"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.2447","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":"sha256:09e3497770bc95ceb5ceef6d4e46823ee04452ba5727313eecd9788fe2256976","target":"record","created_at":"2026-05-18T00:57:56Z","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":"0b4fe20d4936f87f6da7d7e1c97e6d3f24dd898d49cf451e5aee69e65f20ea2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2013-03-11T08:02:52Z","title_canon_sha256":"e3773934d02e13148d45fa24f3ee9041139cd74685a4edfb8ae0f46e4e3e4051"},"schema_version":"1.0","source":{"id":"1303.2447","kind":"arxiv","version":1}},"canonical_sha256":"99becdb7cfb6c63cbc686f9b8f910134c4dfe63dd00769570aec03ff74abeb3c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"99becdb7cfb6c63cbc686f9b8f910134c4dfe63dd00769570aec03ff74abeb3c","first_computed_at":"2026-05-18T00:57:56.507631Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:57:56.507631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bnkOWYss06UuePQV4IMqhfM5VXo+dbIM8fLmPfPaY7KPfmxwNh7RYaNe+oZYw2B0ef8OgZx5OHvwCAb2hdngAw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:57:56.508059Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.2447","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09e3497770bc95ceb5ceef6d4e46823ee04452ba5727313eecd9788fe2256976","sha256:ffd31b11527f6bc2a394f7e58bcf288c6105fa7a8f051dcc24d9701b97af01ec"],"state_sha256":"0379f5edc05ab70bcd0609c1ef8fd393fb4192660a8d42b09b64bd1f53f86317"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Vibcq9YNbqxrNBHy6PLZxA/XQv23ARz319WkDyGW7OKi+qRIKgjdIjjCFqttFnEo4l3YAJxzOoL1zMCeDdYCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T12:55:01.426523Z","bundle_sha256":"738b5197427d36b5a198f5746233da469ff66af862a4281c85c6973c827fa690"}}