{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:WL57E2XRE4DDQK7HHBISIXTLLA","short_pith_number":"pith:WL57E2XR","canonical_record":{"source":{"id":"2608.13344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-13T15:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"4ac33a83797f76ec809ec493ca7fa21bb62e98842e1b98e5d0b7d0b99eb2a2e9","abstract_canon_sha256":"cec35f04c1de855b8a5b11421351120db07bd39078299fe58a4fdb2c807966b3"},"schema_version":"1.0"},"canonical_sha256":"b2fbf26af12706382be73851245e6b581ecd3f2a43705a915e890fd0e1141dfa","source":{"kind":"arxiv","id":"2608.13344","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.13344","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"arxiv_version","alias_value":"2608.13344v1","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.13344","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"pith_short_12","alias_value":"WL57E2XRE4DD","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"pith_short_16","alias_value":"WL57E2XRE4DDQK7H","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"pith_short_8","alias_value":"WL57E2XR","created_at":"2026-08-14T01:04:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:WL57E2XRE4DDQK7HHBISIXTLLA","target":"record","payload":{"canonical_record":{"source":{"id":"2608.13344","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-13T15:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"4ac33a83797f76ec809ec493ca7fa21bb62e98842e1b98e5d0b7d0b99eb2a2e9","abstract_canon_sha256":"cec35f04c1de855b8a5b11421351120db07bd39078299fe58a4fdb2c807966b3"},"schema_version":"1.0"},"canonical_sha256":"b2fbf26af12706382be73851245e6b581ecd3f2a43705a915e890fd0e1141dfa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-14T01:04:15.997215Z","signature_b64":"juMb9D4NRvC17PACDqWuhxi1XAMpZJUvcs2R7OL4Bnk5ywgn6gSo/lEX8elt4sdclKrVK2eZHcL9mj8zzccfDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b2fbf26af12706382be73851245e6b581ecd3f2a43705a915e890fd0e1141dfa","last_reissued_at":"2026-08-14T01:04:15.995454Z","signature_status":"signed_v1","first_computed_at":"2026-08-14T01:04:15.995454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2608.13344","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":"2026-08-14T01:04:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31bqM5c8EuleNDeIsOwfv1h085Q/wBmL/G63BWRpF5OTdIll7i4Q4nrvPaDYlzX90IviaMfEEUpxzK0yJjjECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T14:47:14.711813Z"},"content_sha256":"1e21e1ff73444c50c5f8652f6ae34736430a3936dcb085edb73ee1894b328d0b","schema_version":"1.0","event_id":"sha256:1e21e1ff73444c50c5f8652f6ae34736430a3936dcb085edb73ee1894b328d0b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:WL57E2XRE4DDQK7HHBISIXTLLA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"LongEarth-R1: Benchmarking and Aligning Vision-Language Models for Long-Horizon Earth Observation Reasoning","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.AI","authors_text":"Chaofeng Chen, Gui-Song Xia, Jing Xiao, Liang Liao, Mi Wang, Yupan Ding, Zhenyuan Zhang","submitted_at":"2026-08-13T15:14:59Z","abstract_excerpt":"Long-horizon Earth observation reasoning requires models to organize multi-stage geographic evolution, localize spatial changes, detect temporal anomalies, and infer future from extended image sequences. However, existing remote sensing vision-language models mainly focus on isolated images, image pairs, or short sequences, limiting reliable grounding in the relevant frames and regions. We introduce LongEarth-Bench, a benchmark containing approximately 120k question-answering samples derived from 117k unique images. Its sequences average 15.14 frames and extend to 30 frames, covering 12 tasks "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.13344","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/2608.13344/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":"2026-08-14T01:04:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"w/L84uOY21cuQwRpvAVWA5wU5FNvMW7qW9FOjanqGgZ6emc4iFZGyKLUdDS7cOGPyG2CMktkg7n8xYrRcYKVAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-17T14:47:14.712134Z"},"content_sha256":"cb7df44a6f3c34319b859e55ce4495c5648ef00eba2e6d7e389fb96bdf5f1b34","schema_version":"1.0","event_id":"sha256:cb7df44a6f3c34319b859e55ce4495c5648ef00eba2e6d7e389fb96bdf5f1b34"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WL57E2XRE4DDQK7HHBISIXTLLA/bundle.json","state_url":"https://pith.science/pith/WL57E2XRE4DDQK7HHBISIXTLLA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WL57E2XRE4DDQK7HHBISIXTLLA/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":"2026-08-17T14:47:14Z","links":{"resolver":"https://pith.science/pith/WL57E2XRE4DDQK7HHBISIXTLLA","bundle":"https://pith.science/pith/WL57E2XRE4DDQK7HHBISIXTLLA/bundle.json","state":"https://pith.science/pith/WL57E2XRE4DDQK7HHBISIXTLLA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WL57E2XRE4DDQK7HHBISIXTLLA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:WL57E2XRE4DDQK7HHBISIXTLLA","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":"cec35f04c1de855b8a5b11421351120db07bd39078299fe58a4fdb2c807966b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-13T15:14:59Z","title_canon_sha256":"4ac33a83797f76ec809ec493ca7fa21bb62e98842e1b98e5d0b7d0b99eb2a2e9"},"schema_version":"1.0","source":{"id":"2608.13344","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2608.13344","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"arxiv_version","alias_value":"2608.13344v1","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.13344","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"pith_short_12","alias_value":"WL57E2XRE4DD","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"pith_short_16","alias_value":"WL57E2XRE4DDQK7H","created_at":"2026-08-14T01:04:15Z"},{"alias_kind":"pith_short_8","alias_value":"WL57E2XR","created_at":"2026-08-14T01:04:15Z"}],"graph_snapshots":[{"event_id":"sha256:cb7df44a6f3c34319b859e55ce4495c5648ef00eba2e6d7e389fb96bdf5f1b34","target":"graph","created_at":"2026-08-14T01:04:15Z","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/2608.13344/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Long-horizon Earth observation reasoning requires models to organize multi-stage geographic evolution, localize spatial changes, detect temporal anomalies, and infer future from extended image sequences. However, existing remote sensing vision-language models mainly focus on isolated images, image pairs, or short sequences, limiting reliable grounding in the relevant frames and regions. We introduce LongEarth-Bench, a benchmark containing approximately 120k question-answering samples derived from 117k unique images. Its sequences average 15.14 frames and extend to 30 frames, covering 12 tasks ","authors_text":"Chaofeng Chen, Gui-Song Xia, Jing Xiao, Liang Liao, Mi Wang, Yupan Ding, Zhenyuan Zhang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-13T15:14:59Z","title":"LongEarth-R1: Benchmarking and Aligning Vision-Language Models for Long-Horizon Earth Observation Reasoning"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.13344","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":"sha256:1e21e1ff73444c50c5f8652f6ae34736430a3936dcb085edb73ee1894b328d0b","target":"record","created_at":"2026-08-14T01:04:15Z","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":"cec35f04c1de855b8a5b11421351120db07bd39078299fe58a4fdb2c807966b3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.AI","submitted_at":"2026-08-13T15:14:59Z","title_canon_sha256":"4ac33a83797f76ec809ec493ca7fa21bb62e98842e1b98e5d0b7d0b99eb2a2e9"},"schema_version":"1.0","source":{"id":"2608.13344","kind":"arxiv","version":1}},"canonical_sha256":"b2fbf26af12706382be73851245e6b581ecd3f2a43705a915e890fd0e1141dfa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b2fbf26af12706382be73851245e6b581ecd3f2a43705a915e890fd0e1141dfa","first_computed_at":"2026-08-14T01:04:15.995454Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-08-14T01:04:15.995454Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"juMb9D4NRvC17PACDqWuhxi1XAMpZJUvcs2R7OL4Bnk5ywgn6gSo/lEX8elt4sdclKrVK2eZHcL9mj8zzccfDQ==","signature_status":"signed_v1","signed_at":"2026-08-14T01:04:15.997215Z","signed_message":"canonical_sha256_bytes"},"source_id":"2608.13344","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1e21e1ff73444c50c5f8652f6ae34736430a3936dcb085edb73ee1894b328d0b","sha256:cb7df44a6f3c34319b859e55ce4495c5648ef00eba2e6d7e389fb96bdf5f1b34"],"state_sha256":"eae464b583eacf9fc124580a628ae282a23e821f1f16ea87b5684af1d90ed2a0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jUOclAyXc5hpscjHF7V4NVFGiPbgea15cZg8GoAS3vZde/7f8Qdk32X669/9JDJyROYN4B6thWP4dfu9KvPUBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-17T14:47:14.714637Z","bundle_sha256":"9b7d9b1ccf755bae86c7a45161f6a81de58a10ee7842890f0d241d9ce568cf73"}}