{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:QRYOZQT3552LMMCG4RMTKJ5WL5","short_pith_number":"pith:QRYOZQT3","canonical_record":{"source":{"id":"2002.02789","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2020-02-06T11:57:59Z","cross_cats_sorted":["cs.CC"],"title_canon_sha256":"951a7bea9bcd6336c09917b9b4901e74bcd8369fb28894353bc30aa584e4a95a","abstract_canon_sha256":"35d43d6624041c940646d80b7cc5b78a163ae93d66d8669ba0138da41b54e060"},"schema_version":"1.0"},"canonical_sha256":"8470ecc27bef74b63046e4593527b65f70c85e564194e33de0cfb0edface8eb8","source":{"kind":"arxiv","id":"2002.02789","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.02789","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"arxiv_version","alias_value":"2002.02789v2","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.02789","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"pith_short_12","alias_value":"QRYOZQT3552L","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"pith_short_16","alias_value":"QRYOZQT3552LMMCG","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"pith_short_8","alias_value":"QRYOZQT3","created_at":"2026-07-05T02:18:14Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:QRYOZQT3552LMMCG4RMTKJ5WL5","target":"record","payload":{"canonical_record":{"source":{"id":"2002.02789","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2020-02-06T11:57:59Z","cross_cats_sorted":["cs.CC"],"title_canon_sha256":"951a7bea9bcd6336c09917b9b4901e74bcd8369fb28894353bc30aa584e4a95a","abstract_canon_sha256":"35d43d6624041c940646d80b7cc5b78a163ae93d66d8669ba0138da41b54e060"},"schema_version":"1.0"},"canonical_sha256":"8470ecc27bef74b63046e4593527b65f70c85e564194e33de0cfb0edface8eb8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:18:14.793660Z","signature_b64":"qFXnQljxfl9hxC8GDGKoBCQ5VND0EsjTnDSVMjONhDId4k0NUqIddvL9mIHdGRLUckmiqhTAw+q0VNnxdMpuAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8470ecc27bef74b63046e4593527b65f70c85e564194e33de0cfb0edface8eb8","last_reissued_at":"2026-07-05T02:18:14.793179Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:18:14.793179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2002.02789","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":"2026-07-05T02:18:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S4J7movHlXuMMBujS5wn+Nlczflkne7VXW9clGDJDkYE9kbeFTqpp6VEb7JR8PZJlMoQyMK69gD7bTR7fcUrAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:48:00.441783Z"},"content_sha256":"b2165b4ed5715aa7fe8104db0c8027d4a09bfdc80a7ad720a6a99445b2ecb7cf","schema_version":"1.0","event_id":"sha256:b2165b4ed5715aa7fe8104db0c8027d4a09bfdc80a7ad720a6a99445b2ecb7cf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:QRYOZQT3552LMMCG4RMTKJ5WL5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Computing envy-freeable allocations with limited subsidies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CC"],"primary_cat":"cs.GT","authors_text":"Ioannis Caragiannis, Stavros Ioannidis","submitted_at":"2020-02-06T11:57:59Z","abstract_excerpt":"Fair division has emerged as a very hot topic in multiagent systems, and envy-freeness is among the most compelling fairness concepts. An allocation of indivisible items to agents is envy-free if no agent prefers the bundle of any other agent to his own in terms of value. As envy-freeness is rarely a feasible goal, there is a recent focus on relaxations of its definition. An approach in this direction is to complement allocations with payments (or subsidies) to the agents. A feasible goal then is to achieve envy-freeness in terms of the total value an agent gets from the allocation and the sub"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.02789","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2002.02789/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T02:18:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JbsWBvevl6QZkrFnE3Ezk00ObsPgw38H4+mzJf8qh90Qx1x8sPzS0k04v2Ncg5rRanfiTFokzUGvHNOfPoQSDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T16:48:00.442269Z"},"content_sha256":"12e2996ac60787c4c34e2d2e5dd29acb78ca982b4182be42d32d881161de48ae","schema_version":"1.0","event_id":"sha256:12e2996ac60787c4c34e2d2e5dd29acb78ca982b4182be42d32d881161de48ae"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QRYOZQT3552LMMCG4RMTKJ5WL5/bundle.json","state_url":"https://pith.science/pith/QRYOZQT3552LMMCG4RMTKJ5WL5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QRYOZQT3552LMMCG4RMTKJ5WL5/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":"2026-08-03T16:48:00Z","links":{"resolver":"https://pith.science/pith/QRYOZQT3552LMMCG4RMTKJ5WL5","bundle":"https://pith.science/pith/QRYOZQT3552LMMCG4RMTKJ5WL5/bundle.json","state":"https://pith.science/pith/QRYOZQT3552LMMCG4RMTKJ5WL5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QRYOZQT3552LMMCG4RMTKJ5WL5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:QRYOZQT3552LMMCG4RMTKJ5WL5","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":"35d43d6624041c940646d80b7cc5b78a163ae93d66d8669ba0138da41b54e060","cross_cats_sorted":["cs.CC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2020-02-06T11:57:59Z","title_canon_sha256":"951a7bea9bcd6336c09917b9b4901e74bcd8369fb28894353bc30aa584e4a95a"},"schema_version":"1.0","source":{"id":"2002.02789","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2002.02789","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"arxiv_version","alias_value":"2002.02789v2","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2002.02789","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"pith_short_12","alias_value":"QRYOZQT3552L","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"pith_short_16","alias_value":"QRYOZQT3552LMMCG","created_at":"2026-07-05T02:18:14Z"},{"alias_kind":"pith_short_8","alias_value":"QRYOZQT3","created_at":"2026-07-05T02:18:14Z"}],"graph_snapshots":[{"event_id":"sha256:12e2996ac60787c4c34e2d2e5dd29acb78ca982b4182be42d32d881161de48ae","target":"graph","created_at":"2026-07-05T02:18:14Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2002.02789/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fair division has emerged as a very hot topic in multiagent systems, and envy-freeness is among the most compelling fairness concepts. An allocation of indivisible items to agents is envy-free if no agent prefers the bundle of any other agent to his own in terms of value. As envy-freeness is rarely a feasible goal, there is a recent focus on relaxations of its definition. An approach in this direction is to complement allocations with payments (or subsidies) to the agents. A feasible goal then is to achieve envy-freeness in terms of the total value an agent gets from the allocation and the sub","authors_text":"Ioannis Caragiannis, Stavros Ioannidis","cross_cats":["cs.CC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2020-02-06T11:57:59Z","title":"Computing envy-freeable allocations with limited subsidies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2002.02789","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:b2165b4ed5715aa7fe8104db0c8027d4a09bfdc80a7ad720a6a99445b2ecb7cf","target":"record","created_at":"2026-07-05T02:18:14Z","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":"35d43d6624041c940646d80b7cc5b78a163ae93d66d8669ba0138da41b54e060","cross_cats_sorted":["cs.CC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.GT","submitted_at":"2020-02-06T11:57:59Z","title_canon_sha256":"951a7bea9bcd6336c09917b9b4901e74bcd8369fb28894353bc30aa584e4a95a"},"schema_version":"1.0","source":{"id":"2002.02789","kind":"arxiv","version":2}},"canonical_sha256":"8470ecc27bef74b63046e4593527b65f70c85e564194e33de0cfb0edface8eb8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8470ecc27bef74b63046e4593527b65f70c85e564194e33de0cfb0edface8eb8","first_computed_at":"2026-07-05T02:18:14.793179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:18:14.793179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qFXnQljxfl9hxC8GDGKoBCQ5VND0EsjTnDSVMjONhDId4k0NUqIddvL9mIHdGRLUckmiqhTAw+q0VNnxdMpuAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:18:14.793660Z","signed_message":"canonical_sha256_bytes"},"source_id":"2002.02789","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b2165b4ed5715aa7fe8104db0c8027d4a09bfdc80a7ad720a6a99445b2ecb7cf","sha256:12e2996ac60787c4c34e2d2e5dd29acb78ca982b4182be42d32d881161de48ae"],"state_sha256":"4b0d8703cfc8c9a01933c3384368306984c810fb5fc88a19367ea2e90576de9e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p79RSRBzZZKuFa/2m4loLcD3PnXU0GwfZHL4Gu1dwM/SsXLMdyNl23Yy5Ky5fDr8NivQXg/Ltcu39AmuuVhKCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T16:48:00.445571Z","bundle_sha256":"671e60fdba0d1bd672ef9b19dc1d7f3a504bff271efacc1de4a06dd0d0fcf3e3"}}