{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:M6KVC6VJTJS7CYPOC6N2ZD3JBH","short_pith_number":"pith:M6KVC6VJ","canonical_record":{"source":{"id":"2607.04449","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-05T18:22:04Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"0a9004c272533b605843e31ba44ab03ea827e0fb0d80af5bdfb2f1002dbd8270","abstract_canon_sha256":"f1c64e7a0e1a67f082e1de9d492373c299a33413208b1efdf0d527543b366d7d"},"schema_version":"1.0"},"canonical_sha256":"6795517aa99a65f161ee179bac8f6909e906e69d042336b582acc9408bbd1c48","source":{"kind":"arxiv","id":"2607.04449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.04449","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"arxiv_version","alias_value":"2607.04449v1","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.04449","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"pith_short_12","alias_value":"M6KVC6VJTJS7","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"pith_short_16","alias_value":"M6KVC6VJTJS7CYPO","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"pith_short_8","alias_value":"M6KVC6VJ","created_at":"2026-07-07T02:19:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:M6KVC6VJTJS7CYPOC6N2ZD3JBH","target":"record","payload":{"canonical_record":{"source":{"id":"2607.04449","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-05T18:22:04Z","cross_cats_sorted":["cs.LG"],"title_canon_sha256":"0a9004c272533b605843e31ba44ab03ea827e0fb0d80af5bdfb2f1002dbd8270","abstract_canon_sha256":"f1c64e7a0e1a67f082e1de9d492373c299a33413208b1efdf0d527543b366d7d"},"schema_version":"1.0"},"canonical_sha256":"6795517aa99a65f161ee179bac8f6909e906e69d042336b582acc9408bbd1c48","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-07T02:19:19.881770Z","signature_b64":"f0xLdLehykDcmI05TaGq/JVVN1CIE0CR80j7Xn8pGd9QPNYal9UFhajHOKSQV7vYIeWaI0L/1EtCimyHOeh3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6795517aa99a65f161ee179bac8f6909e906e69d042336b582acc9408bbd1c48","last_reissued_at":"2026-07-07T02:19:19.881093Z","signature_status":"signed_v1","first_computed_at":"2026-07-07T02:19:19.881093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.04449","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":"2026-07-07T02:19:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OD4DJBOKlMSS0ub3ucuiy4S5J4dRyPOxO4cFsIsqHjj+pJPCUt0i05x8XrD464PZQWMOOSQjLkMXNif4mw3qCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T23:46:09.341908Z"},"content_sha256":"343c02c65ce6526fbf0479ef84c4865176f56d135f112bcbd230bc334386996f","schema_version":"1.0","event_id":"sha256:343c02c65ce6526fbf0479ef84c4865176f56d135f112bcbd230bc334386996f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:M6KVC6VJTJS7CYPOC6N2ZD3JBH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Fields of the Planet: Field Boundary Mapping Beyond 10m","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["cs.LG"],"primary_cat":"cs.CV","authors_text":"Caleb Robinson, Hannah Kerner, Isaac Corley, Jennifer Marcus","submitted_at":"2026-07-05T18:22:04Z","abstract_excerpt":"Field-boundary maps support crop monitoring, irrigation planning, and yield estimation, but many smallholder parcels span only a few 10 m Sentinel-2 pixels. We introduce Fields of the Planet (FTP), a 3 m PlanetScope companion to Fields of The World (FTW) that pairs the same polygons, seasonal windows, and train/test splits with 133,168 co-registered PlanetScope patch-window targets across 24 countries. FTP evaluates field delineation as parcel recovery by vectorizing predictions before scoring panoptic quality (PQ), object F1, size-stratified PQ, and meter-scale matched-boundary error. Under m"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.04449","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/2607.04449/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":"2026-07-07T02:19:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qVGe5AfMeg8hthdnlLXJdtJ6f60uLShEEAeFAqQqzbsgISjUgQYsP5/6wAg6U9flq0EiKDu/VxI0hEwaBn4hCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-08T23:46:09.342288Z"},"content_sha256":"aada291e6348e2237f0e7a11566283f4217f02dd98b58a211ea82c0d12f29f13","schema_version":"1.0","event_id":"sha256:aada291e6348e2237f0e7a11566283f4217f02dd98b58a211ea82c0d12f29f13"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH/bundle.json","state_url":"https://pith.science/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH/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":"2026-07-08T23:46:09Z","links":{"resolver":"https://pith.science/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH","bundle":"https://pith.science/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH/bundle.json","state":"https://pith.science/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/M6KVC6VJTJS7CYPOC6N2ZD3JBH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:M6KVC6VJTJS7CYPOC6N2ZD3JBH","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":"f1c64e7a0e1a67f082e1de9d492373c299a33413208b1efdf0d527543b366d7d","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-05T18:22:04Z","title_canon_sha256":"0a9004c272533b605843e31ba44ab03ea827e0fb0d80af5bdfb2f1002dbd8270"},"schema_version":"1.0","source":{"id":"2607.04449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.04449","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"arxiv_version","alias_value":"2607.04449v1","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.04449","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"pith_short_12","alias_value":"M6KVC6VJTJS7","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"pith_short_16","alias_value":"M6KVC6VJTJS7CYPO","created_at":"2026-07-07T02:19:19Z"},{"alias_kind":"pith_short_8","alias_value":"M6KVC6VJ","created_at":"2026-07-07T02:19:19Z"}],"graph_snapshots":[{"event_id":"sha256:aada291e6348e2237f0e7a11566283f4217f02dd98b58a211ea82c0d12f29f13","target":"graph","created_at":"2026-07-07T02:19:19Z","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/2607.04449/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Field-boundary maps support crop monitoring, irrigation planning, and yield estimation, but many smallholder parcels span only a few 10 m Sentinel-2 pixels. We introduce Fields of the Planet (FTP), a 3 m PlanetScope companion to Fields of The World (FTW) that pairs the same polygons, seasonal windows, and train/test splits with 133,168 co-registered PlanetScope patch-window targets across 24 countries. FTP evaluates field delineation as parcel recovery by vectorizing predictions before scoring panoptic quality (PQ), object F1, size-stratified PQ, and meter-scale matched-boundary error. Under m","authors_text":"Caleb Robinson, Hannah Kerner, Isaac Corley, Jennifer Marcus","cross_cats":["cs.LG"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-05T18:22:04Z","title":"Fields of the Planet: Field Boundary Mapping Beyond 10m"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.04449","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":"sha256:343c02c65ce6526fbf0479ef84c4865176f56d135f112bcbd230bc334386996f","target":"record","created_at":"2026-07-07T02:19:19Z","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":"f1c64e7a0e1a67f082e1de9d492373c299a33413208b1efdf0d527543b366d7d","cross_cats_sorted":["cs.LG"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"cs.CV","submitted_at":"2026-07-05T18:22:04Z","title_canon_sha256":"0a9004c272533b605843e31ba44ab03ea827e0fb0d80af5bdfb2f1002dbd8270"},"schema_version":"1.0","source":{"id":"2607.04449","kind":"arxiv","version":1}},"canonical_sha256":"6795517aa99a65f161ee179bac8f6909e906e69d042336b582acc9408bbd1c48","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6795517aa99a65f161ee179bac8f6909e906e69d042336b582acc9408bbd1c48","first_computed_at":"2026-07-07T02:19:19.881093Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-07T02:19:19.881093Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f0xLdLehykDcmI05TaGq/JVVN1CIE0CR80j7Xn8pGd9QPNYal9UFhajHOKSQV7vYIeWaI0L/1EtCimyHOeh3AQ==","signature_status":"signed_v1","signed_at":"2026-07-07T02:19:19.881770Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.04449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:343c02c65ce6526fbf0479ef84c4865176f56d135f112bcbd230bc334386996f","sha256:aada291e6348e2237f0e7a11566283f4217f02dd98b58a211ea82c0d12f29f13"],"state_sha256":"bb773c09c713642c59c41018a394afc4c5ae1257c64c12f79115e3a4c02489c7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GHLteuTd1ZEGq9H775CnjO25EAedAto282A0p1Kvyg0nc1Z6oy6fCGRu0Dyh7HcceZL8hg6dqcxiwyfdZr4PAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-08T23:46:09.344305Z","bundle_sha256":"5a058a23ebfbdc8ba9bbc1598ea6c2e3df386abd02e8052abb7689fb4d6aabd7"}}