{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JZ27KFDDKHJHBLC7TX6KSBGN7R","short_pith_number":"pith:JZ27KFDD","canonical_record":{"source":{"id":"2606.23347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2026-06-22T13:52:07Z","cross_cats_sorted":["q-fin.EC"],"title_canon_sha256":"f3a1e81f49d51888f77ce7b0ccb88e32fb6f241aa596b7d7b5faf24f3cafefe3","abstract_canon_sha256":"fd3192680a8286e37ce6b7335f73992eccc753d28b1be7206b7ae88932ff91ce"},"schema_version":"1.0"},"canonical_sha256":"4e75f5146351d270ac5f9dfca904cdfc6e704f054d5749035c0d8bd3084eef25","source":{"kind":"arxiv","id":"2606.23347","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23347","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23347v1","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23347","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"JZ27KFDDKHJH","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"pith_short_16","alias_value":"JZ27KFDDKHJHBLC7","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"pith_short_8","alias_value":"JZ27KFDD","created_at":"2026-06-23T03:14:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JZ27KFDDKHJHBLC7TX6KSBGN7R","target":"record","payload":{"canonical_record":{"source":{"id":"2606.23347","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2026-06-22T13:52:07Z","cross_cats_sorted":["q-fin.EC"],"title_canon_sha256":"f3a1e81f49d51888f77ce7b0ccb88e32fb6f241aa596b7d7b5faf24f3cafefe3","abstract_canon_sha256":"fd3192680a8286e37ce6b7335f73992eccc753d28b1be7206b7ae88932ff91ce"},"schema_version":"1.0"},"canonical_sha256":"4e75f5146351d270ac5f9dfca904cdfc6e704f054d5749035c0d8bd3084eef25","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-23T03:14:17.464589Z","signature_b64":"+EZXSsNAIcKkk5QzltRL3MAIXZZ2lXfDYUfp1Lr6Dah6adKY0LfXboIReV0PjaA0gkHi4STZSB0Yn8uU/hzVCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4e75f5146351d270ac5f9dfca904cdfc6e704f054d5749035c0d8bd3084eef25","last_reissued_at":"2026-06-23T03:14:17.464179Z","signature_status":"signed_v1","first_computed_at":"2026-06-23T03:14:17.464179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.23347","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":"2026-06-23T03:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JjyhP3pbLNRUtBpnPK8rAyXrtrRHyLCtqzNDS6of3kuF5SLlV7c5nVNDDlgChy7bj0/yypZF12yjZFJs+x0FBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:22:29.056666Z"},"content_sha256":"2466db847aafc8e1478f35a3f22d5ff16bf0faeea179005ae2753b9b321af1dc","schema_version":"1.0","event_id":"sha256:2466db847aafc8e1478f35a3f22d5ff16bf0faeea179005ae2753b9b321af1dc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JZ27KFDDKHJHBLC7TX6KSBGN7R","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Beyond the Margin: Targeted Conservation and Household Water Demand","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["q-fin.EC"],"primary_cat":"econ.GN","authors_text":"Andrea Albertazzi, Elisabetta Leni, Ennio Bilancini","submitted_at":"2026-06-22T13:52:07Z","abstract_excerpt":"Non-price interventions targeting specific household water uses are increasingly central to conservation policy, but whether end-use savings translate into lower aggregate demand remains unresolved. This paper reports evidence from a pre-registered field experiment in which 775 Finnish households were randomized to a shower timer, a water-saving shower head, or the same shower head with real-time feedback. Utility-grade water meters measure household-level effects, while shower-level data provide complementary end-use evidence for the two shower-head treatments. The shower timer has no detecta"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23347","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.23347/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":"2026-06-23T03:14:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VmvJ3rMIOswbkYoZjBXx01LnTfEMmcYo+5rt1FuGVIONxRPI98p+/gAmnS9aH57xbOwHi0HPjeRqK3fguIgeBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T16:22:29.057048Z"},"content_sha256":"fdc2d0281a9e2e5ab2a7a633287afc3e4d1d394934360bf0e33f4bfc3ee45b99","schema_version":"1.0","event_id":"sha256:fdc2d0281a9e2e5ab2a7a633287afc3e4d1d394934360bf0e33f4bfc3ee45b99"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R/bundle.json","state_url":"https://pith.science/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R/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":"2026-06-23T16:22:29Z","links":{"resolver":"https://pith.science/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R","bundle":"https://pith.science/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R/bundle.json","state":"https://pith.science/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JZ27KFDDKHJHBLC7TX6KSBGN7R/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JZ27KFDDKHJHBLC7TX6KSBGN7R","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":"fd3192680a8286e37ce6b7335f73992eccc753d28b1be7206b7ae88932ff91ce","cross_cats_sorted":["q-fin.EC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2026-06-22T13:52:07Z","title_canon_sha256":"f3a1e81f49d51888f77ce7b0ccb88e32fb6f241aa596b7d7b5faf24f3cafefe3"},"schema_version":"1.0","source":{"id":"2606.23347","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.23347","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"arxiv_version","alias_value":"2606.23347v1","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.23347","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"pith_short_12","alias_value":"JZ27KFDDKHJH","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"pith_short_16","alias_value":"JZ27KFDDKHJHBLC7","created_at":"2026-06-23T03:14:17Z"},{"alias_kind":"pith_short_8","alias_value":"JZ27KFDD","created_at":"2026-06-23T03:14:17Z"}],"graph_snapshots":[{"event_id":"sha256:fdc2d0281a9e2e5ab2a7a633287afc3e4d1d394934360bf0e33f4bfc3ee45b99","target":"graph","created_at":"2026-06-23T03:14:17Z","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/2606.23347/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Non-price interventions targeting specific household water uses are increasingly central to conservation policy, but whether end-use savings translate into lower aggregate demand remains unresolved. This paper reports evidence from a pre-registered field experiment in which 775 Finnish households were randomized to a shower timer, a water-saving shower head, or the same shower head with real-time feedback. Utility-grade water meters measure household-level effects, while shower-level data provide complementary end-use evidence for the two shower-head treatments. The shower timer has no detecta","authors_text":"Andrea Albertazzi, Elisabetta Leni, Ennio Bilancini","cross_cats":["q-fin.EC"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2026-06-22T13:52:07Z","title":"Beyond the Margin: Targeted Conservation and Household Water Demand"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.23347","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":"sha256:2466db847aafc8e1478f35a3f22d5ff16bf0faeea179005ae2753b9b321af1dc","target":"record","created_at":"2026-06-23T03:14:17Z","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":"fd3192680a8286e37ce6b7335f73992eccc753d28b1be7206b7ae88932ff91ce","cross_cats_sorted":["q-fin.EC"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"econ.GN","submitted_at":"2026-06-22T13:52:07Z","title_canon_sha256":"f3a1e81f49d51888f77ce7b0ccb88e32fb6f241aa596b7d7b5faf24f3cafefe3"},"schema_version":"1.0","source":{"id":"2606.23347","kind":"arxiv","version":1}},"canonical_sha256":"4e75f5146351d270ac5f9dfca904cdfc6e704f054d5749035c0d8bd3084eef25","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4e75f5146351d270ac5f9dfca904cdfc6e704f054d5749035c0d8bd3084eef25","first_computed_at":"2026-06-23T03:14:17.464179Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-23T03:14:17.464179Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+EZXSsNAIcKkk5QzltRL3MAIXZZ2lXfDYUfp1Lr6Dah6adKY0LfXboIReV0PjaA0gkHi4STZSB0Yn8uU/hzVCw==","signature_status":"signed_v1","signed_at":"2026-06-23T03:14:17.464589Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.23347","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2466db847aafc8e1478f35a3f22d5ff16bf0faeea179005ae2753b9b321af1dc","sha256:fdc2d0281a9e2e5ab2a7a633287afc3e4d1d394934360bf0e33f4bfc3ee45b99"],"state_sha256":"73927808f3b66a327515ba04e653ba14193b7f5098bac2d27f31df4cafdd5039"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MWriBPdpL5+FLy8LwksqRWPalkNqBCKKu69htFsT+tM2Q6qzUZt4eRltTcMwYAt2Kk0S3+1O5FnYR/nhQ5M2Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T16:22:29.059173Z","bundle_sha256":"16e2f4ad7b29769ea4697e487bc55c9b30ed26990012d7c2748cf19a9fa4f83b"}}