{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:DXBTVI6AOEDCVWZ6EEJPBSEQRP","short_pith_number":"pith:DXBTVI6A","canonical_record":{"source":{"id":"1810.06698","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2018-10-15T21:13:33Z","cross_cats_sorted":["q-fin.EC"],"title_canon_sha256":"e18ff7c4efc96f6522d926929a09d2bfcc10807aac1dee12f80d96bfc62ccbb6","abstract_canon_sha256":"8371d390c0eb4bc1df0fc2ed5bd98a6da4af7f51f54fc9fe41427af6c7ffc54b"},"schema_version":"1.0"},"canonical_sha256":"1dc33aa3c071062adb3e2112f0c8908bc7a8eb7ecc1fe075e0b980d6cd903e76","source":{"kind":"arxiv","id":"1810.06698","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06698","created_at":"2026-05-18T00:01:21Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06698v2","created_at":"2026-05-18T00:01:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06698","created_at":"2026-05-18T00:01:21Z"},{"alias_kind":"pith_short_12","alias_value":"DXBTVI6AOEDC","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DXBTVI6AOEDCVWZ6","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DXBTVI6A","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:DXBTVI6AOEDCVWZ6EEJPBSEQRP","target":"record","payload":{"canonical_record":{"source":{"id":"1810.06698","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2018-10-15T21:13:33Z","cross_cats_sorted":["q-fin.EC"],"title_canon_sha256":"e18ff7c4efc96f6522d926929a09d2bfcc10807aac1dee12f80d96bfc62ccbb6","abstract_canon_sha256":"8371d390c0eb4bc1df0fc2ed5bd98a6da4af7f51f54fc9fe41427af6c7ffc54b"},"schema_version":"1.0"},"canonical_sha256":"1dc33aa3c071062adb3e2112f0c8908bc7a8eb7ecc1fe075e0b980d6cd903e76","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:01:21.498677Z","signature_b64":"RBxreBN4nZvbCCN8fo0YmGxU60KE498IuuCtxH0QQAXndjzW71tZLQn4yt44BZY/eOFcmngUdPi+X3iEW3r1Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1dc33aa3c071062adb3e2112f0c8908bc7a8eb7ecc1fe075e0b980d6cd903e76","last_reissued_at":"2026-05-18T00:01:21.498019Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:01:21.498019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1810.06698","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":"2026-05-18T00:01:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qI/Z5i/AXQlPBtvZ6Jx/w7q54dXOnh1i2V3m4Z5/BhCzzZxJI0Ybfei3GKq6bLh0jdTmRiO9ya2skFVeLAH1CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T07:50:48.168216Z"},"content_sha256":"6af84c0fd201e7adc291994274f535d77b9d566f021b83e718c8dde99d091857","schema_version":"1.0","event_id":"sha256:6af84c0fd201e7adc291994274f535d77b9d566f021b83e718c8dde99d091857"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:DXBTVI6AOEDCVWZ6EEJPBSEQRP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Aggressive Economic Incentives and Physical Activity: The Role of Choice and Technology Decision Aids","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.EC"],"primary_cat":"econ.GN","authors_text":"Aaron Striegel, George Loewenstein, Idris Adjerid, Rachael Purta","submitted_at":"2018-10-15T21:13:33Z","abstract_excerpt":"Aggressive incentive schemes that allow individuals to impose economic punishment on themselves if they fail to meet health goals present a promising approach for encouraging healthier behavior. However, the element of choice inherent in these schemes introduces concerns that only non-representative sectors of the population will select aggressive incentives, leaving value on the table for those who don't opt in. In a field experiment conducted over a 29 week period on individuals wearing Fitbit activity trackers, we find modest and short lived increases in physical activity for those provided"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06698","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":"2026-05-18T00:01:21Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mBLE5dBwXJI4eSNADMlusskF8ZnS0Ky+HJnvXstVWhw9Wx+l190tm16b4g16CtNi5MrdRxSIjhKMaYx8F0OzDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T07:50:48.168576Z"},"content_sha256":"66f89e2f575251eb4e4e118f5ed8e086c36a8b7d32d2186d7efc24c79746090d","schema_version":"1.0","event_id":"sha256:66f89e2f575251eb4e4e118f5ed8e086c36a8b7d32d2186d7efc24c79746090d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP/bundle.json","state_url":"https://pith.science/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP/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":"2026-06-24T07:50:48Z","links":{"resolver":"https://pith.science/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP","bundle":"https://pith.science/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP/bundle.json","state":"https://pith.science/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DXBTVI6AOEDCVWZ6EEJPBSEQRP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:DXBTVI6AOEDCVWZ6EEJPBSEQRP","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":"8371d390c0eb4bc1df0fc2ed5bd98a6da4af7f51f54fc9fe41427af6c7ffc54b","cross_cats_sorted":["q-fin.EC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2018-10-15T21:13:33Z","title_canon_sha256":"e18ff7c4efc96f6522d926929a09d2bfcc10807aac1dee12f80d96bfc62ccbb6"},"schema_version":"1.0","source":{"id":"1810.06698","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1810.06698","created_at":"2026-05-18T00:01:21Z"},{"alias_kind":"arxiv_version","alias_value":"1810.06698v2","created_at":"2026-05-18T00:01:21Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1810.06698","created_at":"2026-05-18T00:01:21Z"},{"alias_kind":"pith_short_12","alias_value":"DXBTVI6AOEDC","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"DXBTVI6AOEDCVWZ6","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"DXBTVI6A","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:66f89e2f575251eb4e4e118f5ed8e086c36a8b7d32d2186d7efc24c79746090d","target":"graph","created_at":"2026-05-18T00:01:21Z","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":"Aggressive incentive schemes that allow individuals to impose economic punishment on themselves if they fail to meet health goals present a promising approach for encouraging healthier behavior. However, the element of choice inherent in these schemes introduces concerns that only non-representative sectors of the population will select aggressive incentives, leaving value on the table for those who don't opt in. In a field experiment conducted over a 29 week period on individuals wearing Fitbit activity trackers, we find modest and short lived increases in physical activity for those provided","authors_text":"Aaron Striegel, George Loewenstein, Idris Adjerid, Rachael Purta","cross_cats":["q-fin.EC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2018-10-15T21:13:33Z","title":"Aggressive Economic Incentives and Physical Activity: The Role of Choice and Technology Decision Aids"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1810.06698","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":"sha256:6af84c0fd201e7adc291994274f535d77b9d566f021b83e718c8dde99d091857","target":"record","created_at":"2026-05-18T00:01:21Z","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":"8371d390c0eb4bc1df0fc2ed5bd98a6da4af7f51f54fc9fe41427af6c7ffc54b","cross_cats_sorted":["q-fin.EC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2018-10-15T21:13:33Z","title_canon_sha256":"e18ff7c4efc96f6522d926929a09d2bfcc10807aac1dee12f80d96bfc62ccbb6"},"schema_version":"1.0","source":{"id":"1810.06698","kind":"arxiv","version":2}},"canonical_sha256":"1dc33aa3c071062adb3e2112f0c8908bc7a8eb7ecc1fe075e0b980d6cd903e76","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1dc33aa3c071062adb3e2112f0c8908bc7a8eb7ecc1fe075e0b980d6cd903e76","first_computed_at":"2026-05-18T00:01:21.498019Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:01:21.498019Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RBxreBN4nZvbCCN8fo0YmGxU60KE498IuuCtxH0QQAXndjzW71tZLQn4yt44BZY/eOFcmngUdPi+X3iEW3r1Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:01:21.498677Z","signed_message":"canonical_sha256_bytes"},"source_id":"1810.06698","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6af84c0fd201e7adc291994274f535d77b9d566f021b83e718c8dde99d091857","sha256:66f89e2f575251eb4e4e118f5ed8e086c36a8b7d32d2186d7efc24c79746090d"],"state_sha256":"74808da5ba233740dd4810345b9b2067db13148ac991e9acaf1350891237a588"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+2PbJiCgvZss3Ch0lPk3N7xqhwodnaubi0plO682SpIbKl7/NSqsboDErPGxPbeLjAQgmm7kXiEAo0YwisyMBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T07:50:48.170491Z","bundle_sha256":"fc55ee3f899f71f49d60ebcbbc3628ca628fda7b5ba76d79ea9cd6e56c9c6bc7"}}