{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:YJNWBTJZACPLXFZNMKVI5IGXJE","short_pith_number":"pith:YJNWBTJZ","canonical_record":{"source":{"id":"1501.06247","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-01-26T03:22:10Z","cross_cats_sorted":[],"title_canon_sha256":"88b07d4aa2fa735026b5d4ef8b3911883f2b361f54ccff487e7d7c7194bdc159","abstract_canon_sha256":"330347f06bef3674a5f09c391373d306375604c60898e4d1417d2a39e957b2fb"},"schema_version":"1.0"},"canonical_sha256":"c25b60cd39009ebb972d62aa8ea0d7492dd34a9a3db8349e553f5d3991247a25","source":{"kind":"arxiv","id":"1501.06247","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06247","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06247v2","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06247","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"pith_short_12","alias_value":"YJNWBTJZACPL","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YJNWBTJZACPLXFZN","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YJNWBTJZ","created_at":"2026-05-18T12:29:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:YJNWBTJZACPLXFZNMKVI5IGXJE","target":"record","payload":{"canonical_record":{"source":{"id":"1501.06247","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-01-26T03:22:10Z","cross_cats_sorted":[],"title_canon_sha256":"88b07d4aa2fa735026b5d4ef8b3911883f2b361f54ccff487e7d7c7194bdc159","abstract_canon_sha256":"330347f06bef3674a5f09c391373d306375604c60898e4d1417d2a39e957b2fb"},"schema_version":"1.0"},"canonical_sha256":"c25b60cd39009ebb972d62aa8ea0d7492dd34a9a3db8349e553f5d3991247a25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:39.606195Z","signature_b64":"dMi+fZhVu5t0Hol8zVzryYPhOl/70YZziMXIMNoXicLNYeftUhO88vDnXnxQB5ZckhyQ+kCTeN6LwCAuulEWBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c25b60cd39009ebb972d62aa8ea0d7492dd34a9a3db8349e553f5d3991247a25","last_reissued_at":"2026-05-18T02:28:39.605591Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:39.605591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.06247","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":"2026-05-18T02:28:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qaw7+jcTKwdYtDnbnYQ/vTaMwa7nm+Nk12aOhqUCvAKkVH15yEvK4PXajUgjNSXuflvIcgfWVYB8qSwqtEk/DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:23:46.278253Z"},"content_sha256":"a9d984bebd0865bfd3943531decbe6eee01ab5e45fbf6c1a786accbc9c2aa3e7","schema_version":"1.0","event_id":"sha256:a9d984bebd0865bfd3943531decbe6eee01ab5e45fbf6c1a786accbc9c2aa3e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:YJNWBTJZACPLXFZNMKVI5IGXJE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Reciprocal Recommendation System for Online Dating","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.SI","authors_text":"Benyuan Liu, Cindy Chen, Peng Xia, Yizhou Sun","submitted_at":"2015-01-26T03:22:10Z","abstract_excerpt":"Online dating sites have become popular platforms for people to look for potential romantic partners. Different from traditional user-item recommendations where the goal is to match items (e.g., books, videos, etc) with a user's interests, a recommendation system for online dating aims to match people who are mutually interested in and likely to communicate with each other. We introduce similarity measures that capture the unique features and characteristics of the online dating network, for example, the interest similarity between two users if they send messages to same users, and attractiven"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06247","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":"2026-05-18T02:28:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Lb7AEwL9CoDrhB+mKf/qBQe/aOM4M7D9DqzgLn0NtLsf6qtv1JrkufbTUUwrlMPwebTl+vlbCn0ZQNLTNbqcAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:23:46.278922Z"},"content_sha256":"db0c2f8bcb03899cb4967b7e821821fe76998e2784db739a2b26828fae48e0c7","schema_version":"1.0","event_id":"sha256:db0c2f8bcb03899cb4967b7e821821fe76998e2784db739a2b26828fae48e0c7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YJNWBTJZACPLXFZNMKVI5IGXJE/bundle.json","state_url":"https://pith.science/pith/YJNWBTJZACPLXFZNMKVI5IGXJE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YJNWBTJZACPLXFZNMKVI5IGXJE/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":"2026-05-25T17:23:46Z","links":{"resolver":"https://pith.science/pith/YJNWBTJZACPLXFZNMKVI5IGXJE","bundle":"https://pith.science/pith/YJNWBTJZACPLXFZNMKVI5IGXJE/bundle.json","state":"https://pith.science/pith/YJNWBTJZACPLXFZNMKVI5IGXJE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YJNWBTJZACPLXFZNMKVI5IGXJE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:YJNWBTJZACPLXFZNMKVI5IGXJE","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":"330347f06bef3674a5f09c391373d306375604c60898e4d1417d2a39e957b2fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-01-26T03:22:10Z","title_canon_sha256":"88b07d4aa2fa735026b5d4ef8b3911883f2b361f54ccff487e7d7c7194bdc159"},"schema_version":"1.0","source":{"id":"1501.06247","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.06247","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"arxiv_version","alias_value":"1501.06247v2","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.06247","created_at":"2026-05-18T02:28:39Z"},{"alias_kind":"pith_short_12","alias_value":"YJNWBTJZACPL","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_16","alias_value":"YJNWBTJZACPLXFZN","created_at":"2026-05-18T12:29:50Z"},{"alias_kind":"pith_short_8","alias_value":"YJNWBTJZ","created_at":"2026-05-18T12:29:50Z"}],"graph_snapshots":[{"event_id":"sha256:db0c2f8bcb03899cb4967b7e821821fe76998e2784db739a2b26828fae48e0c7","target":"graph","created_at":"2026-05-18T02:28:39Z","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":"Online dating sites have become popular platforms for people to look for potential romantic partners. Different from traditional user-item recommendations where the goal is to match items (e.g., books, videos, etc) with a user's interests, a recommendation system for online dating aims to match people who are mutually interested in and likely to communicate with each other. We introduce similarity measures that capture the unique features and characteristics of the online dating network, for example, the interest similarity between two users if they send messages to same users, and attractiven","authors_text":"Benyuan Liu, Cindy Chen, Peng Xia, Yizhou Sun","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-01-26T03:22:10Z","title":"Reciprocal Recommendation System for Online Dating"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.06247","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:a9d984bebd0865bfd3943531decbe6eee01ab5e45fbf6c1a786accbc9c2aa3e7","target":"record","created_at":"2026-05-18T02:28:39Z","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":"330347f06bef3674a5f09c391373d306375604c60898e4d1417d2a39e957b2fb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.SI","submitted_at":"2015-01-26T03:22:10Z","title_canon_sha256":"88b07d4aa2fa735026b5d4ef8b3911883f2b361f54ccff487e7d7c7194bdc159"},"schema_version":"1.0","source":{"id":"1501.06247","kind":"arxiv","version":2}},"canonical_sha256":"c25b60cd39009ebb972d62aa8ea0d7492dd34a9a3db8349e553f5d3991247a25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c25b60cd39009ebb972d62aa8ea0d7492dd34a9a3db8349e553f5d3991247a25","first_computed_at":"2026-05-18T02:28:39.605591Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:39.605591Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"dMi+fZhVu5t0Hol8zVzryYPhOl/70YZziMXIMNoXicLNYeftUhO88vDnXnxQB5ZckhyQ+kCTeN6LwCAuulEWBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:39.606195Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.06247","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9d984bebd0865bfd3943531decbe6eee01ab5e45fbf6c1a786accbc9c2aa3e7","sha256:db0c2f8bcb03899cb4967b7e821821fe76998e2784db739a2b26828fae48e0c7"],"state_sha256":"760f697458b3222eaaa797e3ad2cb4f5e0271f7b0b0e7d53ec7958a5dfe54e56"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U34BZL6AtGwTUM3J9DkUG6wd/4IFC05xk5rZR7r5eekHKkNs/e3371n7bl+AfXwP6MgTmtseWSss/HxXl+Q0Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:23:46.282488Z","bundle_sha256":"8573776765c340eec241ae354d912a2423ab111a903e9b390a0455968ce19967"}}