{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:PNJPVHHDGPHQKPEFDUJRPWNJSU","short_pith_number":"pith:PNJPVHHD","canonical_record":{"source":{"id":"1508.00975","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.EC","submitted_at":"2015-08-05T05:19:17Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"e9a57d7185b3c76784e8b805570fcc799cdaedd9ec7859cdee85b3e773b44bc8","abstract_canon_sha256":"c86a007be5d2b060fef56350e4a23635bc4896094e2240fed73a99fe9393cff4"},"schema_version":"1.0"},"canonical_sha256":"7b52fa9ce333cf053c851d1317d9a995207bc0d37be3b3e0347875b302b6a7e1","source":{"kind":"arxiv","id":"1508.00975","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00975","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00975v2","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00975","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"PNJPVHHDGPHQ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PNJPVHHDGPHQKPEF","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PNJPVHHD","created_at":"2026-05-18T12:29:37Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:PNJPVHHDGPHQKPEFDUJRPWNJSU","target":"record","payload":{"canonical_record":{"source":{"id":"1508.00975","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.EC","submitted_at":"2015-08-05T05:19:17Z","cross_cats_sorted":["physics.soc-ph"],"title_canon_sha256":"e9a57d7185b3c76784e8b805570fcc799cdaedd9ec7859cdee85b3e773b44bc8","abstract_canon_sha256":"c86a007be5d2b060fef56350e4a23635bc4896094e2240fed73a99fe9393cff4"},"schema_version":"1.0"},"canonical_sha256":"7b52fa9ce333cf053c851d1317d9a995207bc0d37be3b3e0347875b302b6a7e1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:24:53.386933Z","signature_b64":"s5XGpiIqXkeHc+hdZXGVa88iPICeW/j6vaTVUSWibpcKSkUHw3+icsCTbGK7P8xZ0N+q9+4VkYVn/px/ErrbDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7b52fa9ce333cf053c851d1317d9a995207bc0d37be3b3e0347875b302b6a7e1","last_reissued_at":"2026-05-18T01:24:53.386305Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:24:53.386305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1508.00975","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":"2026-05-18T01:24:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vj13//Xq4EeKpSx6TMMVRhqdwO0Q+cAj+FLTbvo6I8bBDSjguDiOPrNOKoZ03Z/CRHFfngew9jvZxjhUOHCnAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T00:47:02.316255Z"},"content_sha256":"0ee7d8a6eaef3b1c468f0c4968397f221530c29726f68c65f567adf17e5b7b23","schema_version":"1.0","event_id":"sha256:0ee7d8a6eaef3b1c468f0c4968397f221530c29726f68c65f567adf17e5b7b23"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:PNJPVHHDGPHQKPEFDUJRPWNJSU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Symmetry restoration by pricing in a duopoly of perishable goods","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph"],"primary_cat":"q-fin.EC","authors_text":"Eric Bertin, Guillaume Chevereau, Seung Ki Baek, Su Do Yi","submitted_at":"2015-08-05T05:19:17Z","abstract_excerpt":"Competition is a main tenet of economics, and the reason is that a perfectly competitive equilibrium is Pareto-efficient in the absence of externalities and public goods. Whether a product is selected in a market crucially relates to its competitiveness, but the selection in turn affects the landscape of competition. Such a feedback mechanism has been illustrated in a duopoly model by Lambert et al., in which a buyer's satisfaction is updated depending on the {\\em freshness} of a purchased product. The probability for buyer $n$ to select seller $i$ is assumed to be $p_{n,i} \\propto e^{ S_{n,i}"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00975","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":"2026-05-18T01:24:53Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8/kCsR4Lnbvg54TW16g3qaUkoXAwMHsL7PzjrPc8+Iz6eOIpViX99wBv4lxe3fJRmyQqzJJPjpHF1L36g/pSDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-10T00:47:02.316972Z"},"content_sha256":"3d2b175ba1054e55191df8b9cb2de03cec82524a2a7435a657e8c2367579fd23","schema_version":"1.0","event_id":"sha256:3d2b175ba1054e55191df8b9cb2de03cec82524a2a7435a657e8c2367579fd23"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU/bundle.json","state_url":"https://pith.science/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU/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":"2026-06-10T00:47:02Z","links":{"resolver":"https://pith.science/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU","bundle":"https://pith.science/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU/bundle.json","state":"https://pith.science/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PNJPVHHDGPHQKPEFDUJRPWNJSU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:PNJPVHHDGPHQKPEFDUJRPWNJSU","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":"c86a007be5d2b060fef56350e4a23635bc4896094e2240fed73a99fe9393cff4","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.EC","submitted_at":"2015-08-05T05:19:17Z","title_canon_sha256":"e9a57d7185b3c76784e8b805570fcc799cdaedd9ec7859cdee85b3e773b44bc8"},"schema_version":"1.0","source":{"id":"1508.00975","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1508.00975","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"arxiv_version","alias_value":"1508.00975v2","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1508.00975","created_at":"2026-05-18T01:24:53Z"},{"alias_kind":"pith_short_12","alias_value":"PNJPVHHDGPHQ","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_16","alias_value":"PNJPVHHDGPHQKPEF","created_at":"2026-05-18T12:29:37Z"},{"alias_kind":"pith_short_8","alias_value":"PNJPVHHD","created_at":"2026-05-18T12:29:37Z"}],"graph_snapshots":[{"event_id":"sha256:3d2b175ba1054e55191df8b9cb2de03cec82524a2a7435a657e8c2367579fd23","target":"graph","created_at":"2026-05-18T01:24:53Z","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":"Competition is a main tenet of economics, and the reason is that a perfectly competitive equilibrium is Pareto-efficient in the absence of externalities and public goods. Whether a product is selected in a market crucially relates to its competitiveness, but the selection in turn affects the landscape of competition. Such a feedback mechanism has been illustrated in a duopoly model by Lambert et al., in which a buyer's satisfaction is updated depending on the {\\em freshness} of a purchased product. The probability for buyer $n$ to select seller $i$ is assumed to be $p_{n,i} \\propto e^{ S_{n,i}","authors_text":"Eric Bertin, Guillaume Chevereau, Seung Ki Baek, Su Do Yi","cross_cats":["physics.soc-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.EC","submitted_at":"2015-08-05T05:19:17Z","title":"Symmetry restoration by pricing in a duopoly of perishable goods"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1508.00975","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":"sha256:0ee7d8a6eaef3b1c468f0c4968397f221530c29726f68c65f567adf17e5b7b23","target":"record","created_at":"2026-05-18T01:24:53Z","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":"c86a007be5d2b060fef56350e4a23635bc4896094e2240fed73a99fe9393cff4","cross_cats_sorted":["physics.soc-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-fin.EC","submitted_at":"2015-08-05T05:19:17Z","title_canon_sha256":"e9a57d7185b3c76784e8b805570fcc799cdaedd9ec7859cdee85b3e773b44bc8"},"schema_version":"1.0","source":{"id":"1508.00975","kind":"arxiv","version":2}},"canonical_sha256":"7b52fa9ce333cf053c851d1317d9a995207bc0d37be3b3e0347875b302b6a7e1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7b52fa9ce333cf053c851d1317d9a995207bc0d37be3b3e0347875b302b6a7e1","first_computed_at":"2026-05-18T01:24:53.386305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:24:53.386305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"s5XGpiIqXkeHc+hdZXGVa88iPICeW/j6vaTVUSWibpcKSkUHw3+icsCTbGK7P8xZ0N+q9+4VkYVn/px/ErrbDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:24:53.386933Z","signed_message":"canonical_sha256_bytes"},"source_id":"1508.00975","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0ee7d8a6eaef3b1c468f0c4968397f221530c29726f68c65f567adf17e5b7b23","sha256:3d2b175ba1054e55191df8b9cb2de03cec82524a2a7435a657e8c2367579fd23"],"state_sha256":"e89e7997ecc043d619f940f6da25b6d2cd60589380a26a5db6f5acf9696f99a2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bsjem4YF/6woHYOTfceWpoD73Q67IV91spKTGu/Pe8TpIn8ZoWx8mDWNIbLW9iZTJcUzGvE+bdEYcxdOCnNnBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-10T00:47:02.321040Z","bundle_sha256":"746e79b704891a58f685d278f583f1469db0419011731b478d222bd76c444a29"}}