{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:O4VYY7PCZTFI23SBYIWLLB6YKK","short_pith_number":"pith:O4VYY7PC","canonical_record":{"source":{"id":"1204.5369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2012-04-24T13:22:44Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"84a137628b74f482bd99ac088ba2a7df678a1788a233674b6c781fc29852ef82","abstract_canon_sha256":"8e69c254154200dd04326b8faf1e735f7fcc95700f936914141c320abbb37532"},"schema_version":"1.0"},"canonical_sha256":"772b8c7de2ccca8d6e41c22cb587d8529bed2686c262ca08be18987f86440a4c","source":{"kind":"arxiv","id":"1204.5369","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.5369","created_at":"2026-05-18T02:21:16Z"},{"alias_kind":"arxiv_version","alias_value":"1204.5369v1","created_at":"2026-05-18T02:21:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5369","created_at":"2026-05-18T02:21:16Z"},{"alias_kind":"pith_short_12","alias_value":"O4VYY7PCZTFI","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O4VYY7PCZTFI23SB","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O4VYY7PC","created_at":"2026-05-18T12:27:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:O4VYY7PCZTFI23SBYIWLLB6YKK","target":"record","payload":{"canonical_record":{"source":{"id":"1204.5369","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2012-04-24T13:22:44Z","cross_cats_sorted":["cs.SI"],"title_canon_sha256":"84a137628b74f482bd99ac088ba2a7df678a1788a233674b6c781fc29852ef82","abstract_canon_sha256":"8e69c254154200dd04326b8faf1e735f7fcc95700f936914141c320abbb37532"},"schema_version":"1.0"},"canonical_sha256":"772b8c7de2ccca8d6e41c22cb587d8529bed2686c262ca08be18987f86440a4c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:21:16.007766Z","signature_b64":"UMJ5yDU1KEHI63cq0l4wDAw60DjsTqar3ouaXc95nJPt0HtXyJMTEkvs046c7/o4E9zphS0PWW6HeoDW11JrAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"772b8c7de2ccca8d6e41c22cb587d8529bed2686c262ca08be18987f86440a4c","last_reissued_at":"2026-05-18T02:21:16.007212Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:21:16.007212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1204.5369","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":"2026-05-18T02:21:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0cMoI2z088leHBAd6jnQ44UHQM59r6CijCgnpl+penzYz1K6oKZpnHz30u23Y2+jvBKyg5kcbBVspQbuQ2B5BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:38:55.856960Z"},"content_sha256":"9ef1443a8ffdce4745be567b9004316eff8932bff8ae91d7244b05fddf8f7496","schema_version":"1.0","event_id":"sha256:9ef1443a8ffdce4745be567b9004316eff8932bff8ae91d7244b05fddf8f7496"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:O4VYY7PCZTFI23SBYIWLLB6YKK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Ecological Evaluation of Persuasive Messages Using Google AdWords","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.SI"],"primary_cat":"cs.CL","authors_text":"Carlo Strapparava, Marco Guerini, Oliviero Stock","submitted_at":"2012-04-24T13:22:44Z","abstract_excerpt":"In recent years there has been a growing interest in crowdsourcing methodologies to be used in experimental research for NLP tasks. In particular, evaluation of systems and theories about persuasion is difficult to accommodate within existing frameworks. In this paper we present a new cheap and fast methodology that allows fast experiment building and evaluation with fully-automated analysis at a low cost. The central idea is exploiting existing commercial tools for advertising on the web, such as Google AdWords, to measure message impact in an ecological setting. The paper includes a descript"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5369","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":"2026-05-18T02:21:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rMm1ErWDFZWPtOFIIQV2ooPj3U47PR2qzCk+7wQfPlpp/TuFLqMN4VDoW4qCoqKv1d/3DN4+xKqWCyDtMLlbDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T02:38:55.857641Z"},"content_sha256":"7b7f8dc9015a53221e91a8718ab84d55d728b19be9788c50051632d54d6d1cee","schema_version":"1.0","event_id":"sha256:7b7f8dc9015a53221e91a8718ab84d55d728b19be9788c50051632d54d6d1cee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/O4VYY7PCZTFI23SBYIWLLB6YKK/bundle.json","state_url":"https://pith.science/pith/O4VYY7PCZTFI23SBYIWLLB6YKK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/O4VYY7PCZTFI23SBYIWLLB6YKK/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":"2026-05-30T02:38:55Z","links":{"resolver":"https://pith.science/pith/O4VYY7PCZTFI23SBYIWLLB6YKK","bundle":"https://pith.science/pith/O4VYY7PCZTFI23SBYIWLLB6YKK/bundle.json","state":"https://pith.science/pith/O4VYY7PCZTFI23SBYIWLLB6YKK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/O4VYY7PCZTFI23SBYIWLLB6YKK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:O4VYY7PCZTFI23SBYIWLLB6YKK","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":"8e69c254154200dd04326b8faf1e735f7fcc95700f936914141c320abbb37532","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2012-04-24T13:22:44Z","title_canon_sha256":"84a137628b74f482bd99ac088ba2a7df678a1788a233674b6c781fc29852ef82"},"schema_version":"1.0","source":{"id":"1204.5369","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1204.5369","created_at":"2026-05-18T02:21:16Z"},{"alias_kind":"arxiv_version","alias_value":"1204.5369v1","created_at":"2026-05-18T02:21:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1204.5369","created_at":"2026-05-18T02:21:16Z"},{"alias_kind":"pith_short_12","alias_value":"O4VYY7PCZTFI","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_16","alias_value":"O4VYY7PCZTFI23SB","created_at":"2026-05-18T12:27:16Z"},{"alias_kind":"pith_short_8","alias_value":"O4VYY7PC","created_at":"2026-05-18T12:27:16Z"}],"graph_snapshots":[{"event_id":"sha256:7b7f8dc9015a53221e91a8718ab84d55d728b19be9788c50051632d54d6d1cee","target":"graph","created_at":"2026-05-18T02:21:16Z","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":"In recent years there has been a growing interest in crowdsourcing methodologies to be used in experimental research for NLP tasks. In particular, evaluation of systems and theories about persuasion is difficult to accommodate within existing frameworks. In this paper we present a new cheap and fast methodology that allows fast experiment building and evaluation with fully-automated analysis at a low cost. The central idea is exploiting existing commercial tools for advertising on the web, such as Google AdWords, to measure message impact in an ecological setting. The paper includes a descript","authors_text":"Carlo Strapparava, Marco Guerini, Oliviero Stock","cross_cats":["cs.SI"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2012-04-24T13:22:44Z","title":"Ecological Evaluation of Persuasive Messages Using Google AdWords"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1204.5369","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":"sha256:9ef1443a8ffdce4745be567b9004316eff8932bff8ae91d7244b05fddf8f7496","target":"record","created_at":"2026-05-18T02:21:16Z","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":"8e69c254154200dd04326b8faf1e735f7fcc95700f936914141c320abbb37532","cross_cats_sorted":["cs.SI"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.CL","submitted_at":"2012-04-24T13:22:44Z","title_canon_sha256":"84a137628b74f482bd99ac088ba2a7df678a1788a233674b6c781fc29852ef82"},"schema_version":"1.0","source":{"id":"1204.5369","kind":"arxiv","version":1}},"canonical_sha256":"772b8c7de2ccca8d6e41c22cb587d8529bed2686c262ca08be18987f86440a4c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"772b8c7de2ccca8d6e41c22cb587d8529bed2686c262ca08be18987f86440a4c","first_computed_at":"2026-05-18T02:21:16.007212Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:21:16.007212Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UMJ5yDU1KEHI63cq0l4wDAw60DjsTqar3ouaXc95nJPt0HtXyJMTEkvs046c7/o4E9zphS0PWW6HeoDW11JrAg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:21:16.007766Z","signed_message":"canonical_sha256_bytes"},"source_id":"1204.5369","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9ef1443a8ffdce4745be567b9004316eff8932bff8ae91d7244b05fddf8f7496","sha256:7b7f8dc9015a53221e91a8718ab84d55d728b19be9788c50051632d54d6d1cee"],"state_sha256":"5208629ccc6d990bec7d11c055fdf74a7efd991e98e5d48b2e7c0975deac8208"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ktVyCLhAfeF5UOHNQDn9iEo+nza0iFRduTfaL4JTQfwQ7eXdcsvvC8xrGRUK2qSRIAAOalC+COdDaZegNJq2Cw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T02:38:55.861237Z","bundle_sha256":"af7f37ae23443187a7602ac9f39a6018f607328d26beec1645a7ec22cda7d9a7"}}