{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4GFTVW6YXBPTIZXTAZ7XBXD7H5","short_pith_number":"pith:4GFTVW6Y","canonical_record":{"source":{"id":"1304.6689","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-04-24T18:24:24Z","cross_cats_sorted":[],"title_canon_sha256":"7bf84a701eed8f0a7cf5f892ae00670489c525c060fe582b8381baac70668a4d","abstract_canon_sha256":"4c74dc1ab3f7275305a60af4dd2ff8e5110efe0bc140569e7bf75724d0d9d548"},"schema_version":"1.0"},"canonical_sha256":"e18b3adbd8b85f3466f3067f70dc7f3f5ddc8e7dba3ca9b6cd3e4a17240cc519","source":{"kind":"arxiv","id":"1304.6689","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6689","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6689v2","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6689","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"4GFTVW6YXBPT","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4GFTVW6YXBPTIZXT","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4GFTVW6Y","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4GFTVW6YXBPTIZXTAZ7XBXD7H5","target":"record","payload":{"canonical_record":{"source":{"id":"1304.6689","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-04-24T18:24:24Z","cross_cats_sorted":[],"title_canon_sha256":"7bf84a701eed8f0a7cf5f892ae00670489c525c060fe582b8381baac70668a4d","abstract_canon_sha256":"4c74dc1ab3f7275305a60af4dd2ff8e5110efe0bc140569e7bf75724d0d9d548"},"schema_version":"1.0"},"canonical_sha256":"e18b3adbd8b85f3466f3067f70dc7f3f5ddc8e7dba3ca9b6cd3e4a17240cc519","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:22.375725Z","signature_b64":"FM+vCox887ImWkSHBE9NgV4oleMJoECzbw2F5mP8lj0gKE9Qp4erV77zW/BQVseXr1/rcPI2o8VahAwRCUMSAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e18b3adbd8b85f3466f3067f70dc7f3f5ddc8e7dba3ca9b6cd3e4a17240cc519","last_reissued_at":"2026-05-18T01:50:22.374938Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:22.374938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1304.6689","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":"2026-05-18T01:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ksXjlJhLt9o/tUFzQIJVtIfSrN3fBtafbqIiRCHIj96npL2DmGE+ugR9Z50ts1TXKNh8mPn/Pi0IXiJvQJoyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:08:50.187111Z"},"content_sha256":"062ccd23a34c4ea24eba6c11302b1ea281fa90e30f39501fc4bb033ab297a6a2","schema_version":"1.0","event_id":"sha256:062ccd23a34c4ea24eba6c11302b1ea281fa90e30f39501fc4bb033ab297a6a2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4GFTVW6YXBPTIZXTAZ7XBXD7H5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Comment on \"Protocol for Direct Counterfactual Quantum Communication\" [arXiv:1206.2042]","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Lev Vaidman","submitted_at":"2013-04-24T18:24:24Z","abstract_excerpt":"I argue that recent \"Protocol for Direct Counterfactual Quantum Communication\" by Salih et al. [PRL 110, 170502 (2013), arXiv:1206.2042] is counterfactual only for one type of the information bit."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6689","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":"2026-05-18T01:50:22Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lyzO+iWU7uPsumADfxGP7HJ+AUZO7Fpx+L1M+DUP2NynheKkcPHasj9ptBixP91UPl2xuOEL+SOZund831iACg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-05T11:08:50.187464Z"},"content_sha256":"8b35b07967f37bf73a5fc71393940ead7a68a6b56709d802bad26e70e0aab89f","schema_version":"1.0","event_id":"sha256:8b35b07967f37bf73a5fc71393940ead7a68a6b56709d802bad26e70e0aab89f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5/bundle.json","state_url":"https://pith.science/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5/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":"2026-06-05T11:08:50Z","links":{"resolver":"https://pith.science/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5","bundle":"https://pith.science/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5/bundle.json","state":"https://pith.science/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4GFTVW6YXBPTIZXTAZ7XBXD7H5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4GFTVW6YXBPTIZXTAZ7XBXD7H5","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":"4c74dc1ab3f7275305a60af4dd2ff8e5110efe0bc140569e7bf75724d0d9d548","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-04-24T18:24:24Z","title_canon_sha256":"7bf84a701eed8f0a7cf5f892ae00670489c525c060fe582b8381baac70668a4d"},"schema_version":"1.0","source":{"id":"1304.6689","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1304.6689","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"arxiv_version","alias_value":"1304.6689v2","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1304.6689","created_at":"2026-05-18T01:50:22Z"},{"alias_kind":"pith_short_12","alias_value":"4GFTVW6YXBPT","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4GFTVW6YXBPTIZXT","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4GFTVW6Y","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:8b35b07967f37bf73a5fc71393940ead7a68a6b56709d802bad26e70e0aab89f","target":"graph","created_at":"2026-05-18T01:50:22Z","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":"I argue that recent \"Protocol for Direct Counterfactual Quantum Communication\" by Salih et al. [PRL 110, 170502 (2013), arXiv:1206.2042] is counterfactual only for one type of the information bit.","authors_text":"Lev Vaidman","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-04-24T18:24:24Z","title":"Comment on \"Protocol for Direct Counterfactual Quantum Communication\" [arXiv:1206.2042]"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1304.6689","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":"sha256:062ccd23a34c4ea24eba6c11302b1ea281fa90e30f39501fc4bb033ab297a6a2","target":"record","created_at":"2026-05-18T01:50:22Z","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":"4c74dc1ab3f7275305a60af4dd2ff8e5110efe0bc140569e7bf75724d0d9d548","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-04-24T18:24:24Z","title_canon_sha256":"7bf84a701eed8f0a7cf5f892ae00670489c525c060fe582b8381baac70668a4d"},"schema_version":"1.0","source":{"id":"1304.6689","kind":"arxiv","version":2}},"canonical_sha256":"e18b3adbd8b85f3466f3067f70dc7f3f5ddc8e7dba3ca9b6cd3e4a17240cc519","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e18b3adbd8b85f3466f3067f70dc7f3f5ddc8e7dba3ca9b6cd3e4a17240cc519","first_computed_at":"2026-05-18T01:50:22.374938Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:22.374938Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FM+vCox887ImWkSHBE9NgV4oleMJoECzbw2F5mP8lj0gKE9Qp4erV77zW/BQVseXr1/rcPI2o8VahAwRCUMSAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:22.375725Z","signed_message":"canonical_sha256_bytes"},"source_id":"1304.6689","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:062ccd23a34c4ea24eba6c11302b1ea281fa90e30f39501fc4bb033ab297a6a2","sha256:8b35b07967f37bf73a5fc71393940ead7a68a6b56709d802bad26e70e0aab89f"],"state_sha256":"4dbd13049b4ace62b77fac2295e9324187528a800d18ce141ef7b54be24008f4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZOT2PD4V5ysSMCwBa/qp06dG59CCOg2KQGcDPZB15FnFbkDBfdHL31mV/rVBi+bYIBS77fTr937+u7eIZND3Bw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-05T11:08:50.189549Z","bundle_sha256":"7538e78c5bf805263558373cd08f1e473a6882741ee810349891a7f3a5752d66"}}