{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:23XHDBX7JEHRSD6NIUY2CTQVEL","short_pith_number":"pith:23XHDBX7","canonical_record":{"source":{"id":"1307.8186","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CR","submitted_at":"2013-07-31T01:45:47Z","cross_cats_sorted":[],"title_canon_sha256":"f6a560ea76ef2383ca2507e06bc67fcc260e1dfa841fdcbe98e7d277dc5eec01","abstract_canon_sha256":"a6fd3c89f75260d56a26a50ecde84273087d1ab47a376df489fa2f7f2280c45f"},"schema_version":"1.0"},"canonical_sha256":"d6ee7186ff490f190fcd4531a14e1522d23bc2518b3d0faedd74cd41c6dcaf49","source":{"kind":"arxiv","id":"1307.8186","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.8186","created_at":"2026-05-18T03:17:02Z"},{"alias_kind":"arxiv_version","alias_value":"1307.8186v1","created_at":"2026-05-18T03:17:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.8186","created_at":"2026-05-18T03:17:02Z"},{"alias_kind":"pith_short_12","alias_value":"23XHDBX7JEHR","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"23XHDBX7JEHRSD6N","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"23XHDBX7","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:23XHDBX7JEHRSD6NIUY2CTQVEL","target":"record","payload":{"canonical_record":{"source":{"id":"1307.8186","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CR","submitted_at":"2013-07-31T01:45:47Z","cross_cats_sorted":[],"title_canon_sha256":"f6a560ea76ef2383ca2507e06bc67fcc260e1dfa841fdcbe98e7d277dc5eec01","abstract_canon_sha256":"a6fd3c89f75260d56a26a50ecde84273087d1ab47a376df489fa2f7f2280c45f"},"schema_version":"1.0"},"canonical_sha256":"d6ee7186ff490f190fcd4531a14e1522d23bc2518b3d0faedd74cd41c6dcaf49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:17:02.116122Z","signature_b64":"pwPsyUCI75gBrLKke1WMLHBQHVT9dg1dJA+qsy3Klf5wPVtXXT05ictewNGwkXlV1TGkZ1j9Tgw9zwASFVzPAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"d6ee7186ff490f190fcd4531a14e1522d23bc2518b3d0faedd74cd41c6dcaf49","last_reissued_at":"2026-05-18T03:17:02.115261Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:17:02.115261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1307.8186","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":"2026-05-18T03:17:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MCbxBlbEXTUS4acpn7mvEFNKR0UV6OBDKDm25r0pu8j6XJFNCDdmRVUIp8aKkN7302C2mTHSuNG5d1MUQYqrCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:55:25.854491Z"},"content_sha256":"91d442fd9a379a413007b128c8b053c161daf4a8900318c0b2969b88366ede0e","schema_version":"1.0","event_id":"sha256:91d442fd9a379a413007b128c8b053c161daf4a8900318c0b2969b88366ede0e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:23XHDBX7JEHRSD6NIUY2CTQVEL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Oblivious Password Cracking Server","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","headline":"","cross_cats":[],"primary_cat":"cs.CR","authors_text":"2) ((1) Core Security Technologies, (2) ITBA (Instituto Tecnologico de Buenos Aires)), Ariel Futoransky (1), Aureliano Calvo (1), Carlos Sarraute (1","submitted_at":"2013-07-31T01:45:47Z","abstract_excerpt":"Building a password cracking server that preserves the privacy of the queries made to the server is a problem that has not yet been solved. Such a server could acquire practical relevance in the future: for instance, the tables used to crack the passwords could be calculated, stored and hosted in cloud-computing services, and could be queried from devices with limited computing power.\n  In this paper we present a method to preserve the confidentiality of a password cracker---wherein the tables used to crack the passwords are stored by a third party---by combining Hellman tables and Private Inf"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.8186","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":"2026-05-18T03:17:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0udLu83ZTlA1b6ijEg+wCeLPl89a1I2+8WFF827v3mphLni33YSt6KGj2LkMeYeYInHZXv56EXmq943mrGGiAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:55:25.854839Z"},"content_sha256":"ea3089f4af8d5c3df8d2fdf88b3a7c273af9e2f8c85cfa04ce09f593310abf9e","schema_version":"1.0","event_id":"sha256:ea3089f4af8d5c3df8d2fdf88b3a7c273af9e2f8c85cfa04ce09f593310abf9e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/23XHDBX7JEHRSD6NIUY2CTQVEL/bundle.json","state_url":"https://pith.science/pith/23XHDBX7JEHRSD6NIUY2CTQVEL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/23XHDBX7JEHRSD6NIUY2CTQVEL/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":"2026-06-22T21:55:25Z","links":{"resolver":"https://pith.science/pith/23XHDBX7JEHRSD6NIUY2CTQVEL","bundle":"https://pith.science/pith/23XHDBX7JEHRSD6NIUY2CTQVEL/bundle.json","state":"https://pith.science/pith/23XHDBX7JEHRSD6NIUY2CTQVEL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/23XHDBX7JEHRSD6NIUY2CTQVEL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:23XHDBX7JEHRSD6NIUY2CTQVEL","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":"a6fd3c89f75260d56a26a50ecde84273087d1ab47a376df489fa2f7f2280c45f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CR","submitted_at":"2013-07-31T01:45:47Z","title_canon_sha256":"f6a560ea76ef2383ca2507e06bc67fcc260e1dfa841fdcbe98e7d277dc5eec01"},"schema_version":"1.0","source":{"id":"1307.8186","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1307.8186","created_at":"2026-05-18T03:17:02Z"},{"alias_kind":"arxiv_version","alias_value":"1307.8186v1","created_at":"2026-05-18T03:17:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1307.8186","created_at":"2026-05-18T03:17:02Z"},{"alias_kind":"pith_short_12","alias_value":"23XHDBX7JEHR","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"23XHDBX7JEHRSD6N","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"23XHDBX7","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:ea3089f4af8d5c3df8d2fdf88b3a7c273af9e2f8c85cfa04ce09f593310abf9e","target":"graph","created_at":"2026-05-18T03:17:02Z","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":"Building a password cracking server that preserves the privacy of the queries made to the server is a problem that has not yet been solved. Such a server could acquire practical relevance in the future: for instance, the tables used to crack the passwords could be calculated, stored and hosted in cloud-computing services, and could be queried from devices with limited computing power.\n  In this paper we present a method to preserve the confidentiality of a password cracker---wherein the tables used to crack the passwords are stored by a third party---by combining Hellman tables and Private Inf","authors_text":"2) ((1) Core Security Technologies, (2) ITBA (Instituto Tecnologico de Buenos Aires)), Ariel Futoransky (1), Aureliano Calvo (1), Carlos Sarraute (1","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CR","submitted_at":"2013-07-31T01:45:47Z","title":"An Oblivious Password Cracking Server"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1307.8186","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":"sha256:91d442fd9a379a413007b128c8b053c161daf4a8900318c0b2969b88366ede0e","target":"record","created_at":"2026-05-18T03:17:02Z","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":"a6fd3c89f75260d56a26a50ecde84273087d1ab47a376df489fa2f7f2280c45f","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-sa/3.0/","primary_cat":"cs.CR","submitted_at":"2013-07-31T01:45:47Z","title_canon_sha256":"f6a560ea76ef2383ca2507e06bc67fcc260e1dfa841fdcbe98e7d277dc5eec01"},"schema_version":"1.0","source":{"id":"1307.8186","kind":"arxiv","version":1}},"canonical_sha256":"d6ee7186ff490f190fcd4531a14e1522d23bc2518b3d0faedd74cd41c6dcaf49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"d6ee7186ff490f190fcd4531a14e1522d23bc2518b3d0faedd74cd41c6dcaf49","first_computed_at":"2026-05-18T03:17:02.115261Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:17:02.115261Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pwPsyUCI75gBrLKke1WMLHBQHVT9dg1dJA+qsy3Klf5wPVtXXT05ictewNGwkXlV1TGkZ1j9Tgw9zwASFVzPAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:17:02.116122Z","signed_message":"canonical_sha256_bytes"},"source_id":"1307.8186","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:91d442fd9a379a413007b128c8b053c161daf4a8900318c0b2969b88366ede0e","sha256:ea3089f4af8d5c3df8d2fdf88b3a7c273af9e2f8c85cfa04ce09f593310abf9e"],"state_sha256":"6830e80f5a5602408783a46d4e9874a6a01c77498f4a4fe18cea51c577ce7ce1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/ZQfBjq3Fb5T6P2lQ6ZHOVQGc6St4mURIds/OdywDvcP+PYmc2on57ROD7aWHcaqg8q6yC+yZHeUvawcDIBLDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T21:55:25.856971Z","bundle_sha256":"6fa15748ee514e8eca306311024e28c29296f72ffd642d7eab1a6ce329ab0317"}}