{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:T4ITVFESCLTNBPFX2M5YPOUILA","short_pith_number":"pith:T4ITVFES","canonical_record":{"source":{"id":"1305.1961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-05-08T21:24:14Z","cross_cats_sorted":["cs.DS","math.OC","physics.comp-ph"],"title_canon_sha256":"76ed18041a5dd4558b5c4d498d0b38961ae378e5aff4f4a647233935ad8f9568","abstract_canon_sha256":"c579a4a00f39647fd4967f2bfd0662d274d3edc25940fd18f840592e2513bd1b"},"schema_version":"1.0"},"canonical_sha256":"9f113a949212e6d0bcb7d33b87ba88583eeb088ef5b34b3e59eae04e6b2cd902","source":{"kind":"arxiv","id":"1305.1961","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1961","created_at":"2026-05-18T03:26:09Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1961v1","created_at":"2026-05-18T03:26:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1961","created_at":"2026-05-18T03:26:09Z"},{"alias_kind":"pith_short_12","alias_value":"T4ITVFESCLTN","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"T4ITVFESCLTNBPFX","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"T4ITVFES","created_at":"2026-05-18T12:27:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:T4ITVFESCLTNBPFX2M5YPOUILA","target":"record","payload":{"canonical_record":{"source":{"id":"1305.1961","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-05-08T21:24:14Z","cross_cats_sorted":["cs.DS","math.OC","physics.comp-ph"],"title_canon_sha256":"76ed18041a5dd4558b5c4d498d0b38961ae378e5aff4f4a647233935ad8f9568","abstract_canon_sha256":"c579a4a00f39647fd4967f2bfd0662d274d3edc25940fd18f840592e2513bd1b"},"schema_version":"1.0"},"canonical_sha256":"9f113a949212e6d0bcb7d33b87ba88583eeb088ef5b34b3e59eae04e6b2cd902","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:26:09.695391Z","signature_b64":"oBUjNQCg0bsfvDGakCEsx2YSa7+84XHbeuLYM+n9K7Kk3kt8fx+CPyhPX8Naq1C91VLbyIlP877FJiDMDBwEAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"9f113a949212e6d0bcb7d33b87ba88583eeb088ef5b34b3e59eae04e6b2cd902","last_reissued_at":"2026-05-18T03:26:09.694560Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:26:09.694560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.1961","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":"2026-05-18T03:26:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0/kKHkGnas+A45sbx0ncw9VGyDY53kH36E2khFmidXRwiURwLRp4dQ0xYT+QMdIZJImb0kXng+hFuCEHxewtCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:30:09.268564Z"},"content_sha256":"c5a03d224ba747bd9e61d8f356214571894a22c0192c5679c28d77fc062bfd73","schema_version":"1.0","event_id":"sha256:c5a03d224ba747bd9e61d8f356214571894a22c0192c5679c28d77fc062bfd73"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:T4ITVFESCLTNBPFX2M5YPOUILA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An Improved Three-Weight Message-Passing Algorithm","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DS","math.OC","physics.comp-ph"],"primary_cat":"cs.AI","authors_text":"Jonathan S. Yedidia, Jos\\'e Bento, Nate Derbinsky, Veit Elser","submitted_at":"2013-05-08T21:24:14Z","abstract_excerpt":"We describe how the powerful \"Divide and Concur\" algorithm for constraint satisfaction can be derived as a special case of a message-passing version of the Alternating Direction Method of Multipliers (ADMM) algorithm for convex optimization, and introduce an improved message-passing algorithm based on ADMM/DC by introducing three distinct weights for messages, with \"certain\" and \"no opinion\" weights, as well as the standard weight used in ADMM/DC. The \"certain\" messages allow our improved algorithm to implement constraint propagation as a special case, while the \"no opinion\" messages speed con"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1961","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":"2026-05-18T03:26:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LjQ1NgVl3llFU5KuU70+an/kK73pwnLcWZzdZGDefI9JpfjxyomWbTOHuQraTFbuayr8DQaXSNmckFlamk73BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T17:30:09.268945Z"},"content_sha256":"4bbf70d7196ce89530976562f6cb35022e1ec2bb882d4db1440a4fd690a7bd4f","schema_version":"1.0","event_id":"sha256:4bbf70d7196ce89530976562f6cb35022e1ec2bb882d4db1440a4fd690a7bd4f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/T4ITVFESCLTNBPFX2M5YPOUILA/bundle.json","state_url":"https://pith.science/pith/T4ITVFESCLTNBPFX2M5YPOUILA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/T4ITVFESCLTNBPFX2M5YPOUILA/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":"2026-05-27T17:30:09Z","links":{"resolver":"https://pith.science/pith/T4ITVFESCLTNBPFX2M5YPOUILA","bundle":"https://pith.science/pith/T4ITVFESCLTNBPFX2M5YPOUILA/bundle.json","state":"https://pith.science/pith/T4ITVFESCLTNBPFX2M5YPOUILA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/T4ITVFESCLTNBPFX2M5YPOUILA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:T4ITVFESCLTNBPFX2M5YPOUILA","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":"c579a4a00f39647fd4967f2bfd0662d274d3edc25940fd18f840592e2513bd1b","cross_cats_sorted":["cs.DS","math.OC","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-05-08T21:24:14Z","title_canon_sha256":"76ed18041a5dd4558b5c4d498d0b38961ae378e5aff4f4a647233935ad8f9568"},"schema_version":"1.0","source":{"id":"1305.1961","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.1961","created_at":"2026-05-18T03:26:09Z"},{"alias_kind":"arxiv_version","alias_value":"1305.1961v1","created_at":"2026-05-18T03:26:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.1961","created_at":"2026-05-18T03:26:09Z"},{"alias_kind":"pith_short_12","alias_value":"T4ITVFESCLTN","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_16","alias_value":"T4ITVFESCLTNBPFX","created_at":"2026-05-18T12:27:59Z"},{"alias_kind":"pith_short_8","alias_value":"T4ITVFES","created_at":"2026-05-18T12:27:59Z"}],"graph_snapshots":[{"event_id":"sha256:4bbf70d7196ce89530976562f6cb35022e1ec2bb882d4db1440a4fd690a7bd4f","target":"graph","created_at":"2026-05-18T03:26:09Z","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":"We describe how the powerful \"Divide and Concur\" algorithm for constraint satisfaction can be derived as a special case of a message-passing version of the Alternating Direction Method of Multipliers (ADMM) algorithm for convex optimization, and introduce an improved message-passing algorithm based on ADMM/DC by introducing three distinct weights for messages, with \"certain\" and \"no opinion\" weights, as well as the standard weight used in ADMM/DC. The \"certain\" messages allow our improved algorithm to implement constraint propagation as a special case, while the \"no opinion\" messages speed con","authors_text":"Jonathan S. Yedidia, Jos\\'e Bento, Nate Derbinsky, Veit Elser","cross_cats":["cs.DS","math.OC","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-05-08T21:24:14Z","title":"An Improved Three-Weight Message-Passing Algorithm"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.1961","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:c5a03d224ba747bd9e61d8f356214571894a22c0192c5679c28d77fc062bfd73","target":"record","created_at":"2026-05-18T03:26:09Z","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":"c579a4a00f39647fd4967f2bfd0662d274d3edc25940fd18f840592e2513bd1b","cross_cats_sorted":["cs.DS","math.OC","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2013-05-08T21:24:14Z","title_canon_sha256":"76ed18041a5dd4558b5c4d498d0b38961ae378e5aff4f4a647233935ad8f9568"},"schema_version":"1.0","source":{"id":"1305.1961","kind":"arxiv","version":1}},"canonical_sha256":"9f113a949212e6d0bcb7d33b87ba88583eeb088ef5b34b3e59eae04e6b2cd902","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"9f113a949212e6d0bcb7d33b87ba88583eeb088ef5b34b3e59eae04e6b2cd902","first_computed_at":"2026-05-18T03:26:09.694560Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:26:09.694560Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oBUjNQCg0bsfvDGakCEsx2YSa7+84XHbeuLYM+n9K7Kk3kt8fx+CPyhPX8Naq1C91VLbyIlP877FJiDMDBwEAg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:26:09.695391Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.1961","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c5a03d224ba747bd9e61d8f356214571894a22c0192c5679c28d77fc062bfd73","sha256:4bbf70d7196ce89530976562f6cb35022e1ec2bb882d4db1440a4fd690a7bd4f"],"state_sha256":"a560680386949a4f7a067515e9aa5758c9ce74bcfe4cc5968325aa7df84ecc93"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oqLRCW4oG0A70MH49FnBeTDOeJzFMuOesuuT9ha+EJ01xY1d/+1a8yPNQmLXxM87d5d9AjuRhOKJOa/9wn5SBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T17:30:09.271728Z","bundle_sha256":"6a356cfc9851c54d94012ec929d5fc663952ff70298289d77b3ae47618b648fa"}}