{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:TXAXPKI34SLDHGGB7LZ7TYXOQQ","short_pith_number":"pith:TXAXPKI3","canonical_record":{"source":{"id":"1807.05759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-07-16T09:44:54Z","cross_cats_sorted":[],"title_canon_sha256":"f78af76c1c3c5cbad211e34291e49588c802f3f4ee9da2cd6210e2cf64b41298","abstract_canon_sha256":"9154f7e69d7cb43ef4935cc403a17ac5c6168399611afaf73491b42c42b22af7"},"schema_version":"1.0"},"canonical_sha256":"9dc177a91be4963398c1faf3f9e2ee8431e8183f909d353618e96f1a6e7fda75","source":{"kind":"arxiv","id":"1807.05759","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05759","created_at":"2026-05-18T00:10:42Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05759v1","created_at":"2026-05-18T00:10:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05759","created_at":"2026-05-18T00:10:42Z"},{"alias_kind":"pith_short_12","alias_value":"TXAXPKI34SLD","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TXAXPKI34SLDHGGB","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TXAXPKI3","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:TXAXPKI34SLDHGGB7LZ7TYXOQQ","target":"record","payload":{"canonical_record":{"source":{"id":"1807.05759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-07-16T09:44:54Z","cross_cats_sorted":[],"title_canon_sha256":"f78af76c1c3c5cbad211e34291e49588c802f3f4ee9da2cd6210e2cf64b41298","abstract_canon_sha256":"9154f7e69d7cb43ef4935cc403a17ac5c6168399611afaf73491b42c42b22af7"},"schema_version":"1.0"},"canonical_sha256":"9dc177a91be4963398c1faf3f9e2ee8431e8183f909d353618e96f1a6e7fda75","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:10:42.611593Z","signature_b64":"3LuahlMr2wMPHxjLY6JgADS4bQPeH19ukGIr7qVsoJGP+XqH9XboQm2sXM/l3lCmmBl+Jsl6TAi2QvXBYT99Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9dc177a91be4963398c1faf3f9e2ee8431e8183f909d353618e96f1a6e7fda75","last_reissued_at":"2026-05-18T00:10:42.610880Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:10:42.610880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.05759","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":"2026-05-18T00:10:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1Iob9joHcrERR7SdNMp3YedYxG/c6BTenRKTQR1y7qMdfx9OTfUEfI2YFsUjFeKsvu4zOx7BlZGKUwd1WWlnAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:00:57.066751Z"},"content_sha256":"fc8bf0fc056c23ed70124fce4287c90f97138a03968527a7cf96d18459568e3c","schema_version":"1.0","event_id":"sha256:fc8bf0fc056c23ed70124fce4287c90f97138a03968527a7cf96d18459568e3c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:TXAXPKI34SLDHGGB7LZ7TYXOQQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ToARist: An Augmented Reality Tourism App created through User-Centred Design","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.HC","authors_text":"Jason R. C. Nurse, Kelvin K. K. Yao, Meredydd Williams","submitted_at":"2018-07-16T09:44:54Z","abstract_excerpt":"Through Augmented Reality (AR), virtual graphics can transform the physical world. This offers benefits to mobile tourism, where points of interest (POIs) can be annotated on a smartphone screen. Although several of these applications exist, usability issues can discourage adoption. User-centred design (UCD) solicits frequent feedback, often contributing to usable products. While AR mock-ups have been constructed through UCD, we develop a novel and functional tourism app. We solicit requirements through a synthesis of domain analysis, tourist observation and semi-structured interviews. Through"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05759","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":"2026-05-18T00:10:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p05/AqHxoH+NsL6pljbyJHrro8dgc+aZ5Kpzj1NLm+OReaK2iGxdWPMX8mlySY59AV2nhv2hlVkplQItsulLDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:00:57.067292Z"},"content_sha256":"06b3f44425d15bc5fc0278f70350f2e5bb43376b74000028d0c5ced7fad8c014","schema_version":"1.0","event_id":"sha256:06b3f44425d15bc5fc0278f70350f2e5bb43376b74000028d0c5ced7fad8c014"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ/bundle.json","state_url":"https://pith.science/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ/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":"2026-06-30T04:00:57Z","links":{"resolver":"https://pith.science/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ","bundle":"https://pith.science/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ/bundle.json","state":"https://pith.science/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TXAXPKI34SLDHGGB7LZ7TYXOQQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:TXAXPKI34SLDHGGB7LZ7TYXOQQ","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":"9154f7e69d7cb43ef4935cc403a17ac5c6168399611afaf73491b42c42b22af7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-07-16T09:44:54Z","title_canon_sha256":"f78af76c1c3c5cbad211e34291e49588c802f3f4ee9da2cd6210e2cf64b41298"},"schema_version":"1.0","source":{"id":"1807.05759","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.05759","created_at":"2026-05-18T00:10:42Z"},{"alias_kind":"arxiv_version","alias_value":"1807.05759v1","created_at":"2026-05-18T00:10:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.05759","created_at":"2026-05-18T00:10:42Z"},{"alias_kind":"pith_short_12","alias_value":"TXAXPKI34SLD","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"TXAXPKI34SLDHGGB","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"TXAXPKI3","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:06b3f44425d15bc5fc0278f70350f2e5bb43376b74000028d0c5ced7fad8c014","target":"graph","created_at":"2026-05-18T00:10:42Z","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":"Through Augmented Reality (AR), virtual graphics can transform the physical world. This offers benefits to mobile tourism, where points of interest (POIs) can be annotated on a smartphone screen. Although several of these applications exist, usability issues can discourage adoption. User-centred design (UCD) solicits frequent feedback, often contributing to usable products. While AR mock-ups have been constructed through UCD, we develop a novel and functional tourism app. We solicit requirements through a synthesis of domain analysis, tourist observation and semi-structured interviews. Through","authors_text":"Jason R. C. Nurse, Kelvin K. K. Yao, Meredydd Williams","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-07-16T09:44:54Z","title":"ToARist: An Augmented Reality Tourism App created through User-Centred Design"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.05759","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:fc8bf0fc056c23ed70124fce4287c90f97138a03968527a7cf96d18459568e3c","target":"record","created_at":"2026-05-18T00:10:42Z","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":"9154f7e69d7cb43ef4935cc403a17ac5c6168399611afaf73491b42c42b22af7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.HC","submitted_at":"2018-07-16T09:44:54Z","title_canon_sha256":"f78af76c1c3c5cbad211e34291e49588c802f3f4ee9da2cd6210e2cf64b41298"},"schema_version":"1.0","source":{"id":"1807.05759","kind":"arxiv","version":1}},"canonical_sha256":"9dc177a91be4963398c1faf3f9e2ee8431e8183f909d353618e96f1a6e7fda75","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9dc177a91be4963398c1faf3f9e2ee8431e8183f909d353618e96f1a6e7fda75","first_computed_at":"2026-05-18T00:10:42.610880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:10:42.610880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3LuahlMr2wMPHxjLY6JgADS4bQPeH19ukGIr7qVsoJGP+XqH9XboQm2sXM/l3lCmmBl+Jsl6TAi2QvXBYT99Bw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:10:42.611593Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.05759","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc8bf0fc056c23ed70124fce4287c90f97138a03968527a7cf96d18459568e3c","sha256:06b3f44425d15bc5fc0278f70350f2e5bb43376b74000028d0c5ced7fad8c014"],"state_sha256":"6dce7aa23d4627ee176b688f07448233c744a48f7e96f33cc0caa3bb7d533e35"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ouAHcr4l7fB8leA49BnLKsCUH03pemoGP3sjsD3YY2JQqrJuglu2ymn2hU5EnkzoyO1BrMmxoBHKtJ/eejXSCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T04:00:57.069804Z","bundle_sha256":"03db0cb8513c88149475f8a12df0579e08050e3d9689737bc02fc31e8a8afa1c"}}