{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:IS4KGPBI2PRB3SUWYRAVXIM7SW","short_pith_number":"pith:IS4KGPBI","canonical_record":{"source":{"id":"2210.02247","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2022-10-05T13:25:42Z","cross_cats_sorted":["stat.CO"],"title_canon_sha256":"6a6eb8a0c46befdc1ce510fad5205234e0978e6b93f5c72818b072673a8099f8","abstract_canon_sha256":"6185ebddd927a72af134eefce06ad76a1826bf4cc54e6e57bf274cc80d66b542"},"schema_version":"1.0"},"canonical_sha256":"44b8a33c28d3e21dca96c4415ba19f95b8c1efc0e30b362df7cd8e40d2347b64","source":{"kind":"arxiv","id":"2210.02247","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.02247","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"arxiv_version","alias_value":"2210.02247v2","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.02247","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"pith_short_12","alias_value":"IS4KGPBI2PRB","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"pith_short_16","alias_value":"IS4KGPBI2PRB3SUW","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"pith_short_8","alias_value":"IS4KGPBI","created_at":"2026-07-05T08:56:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:IS4KGPBI2PRB3SUWYRAVXIM7SW","target":"record","payload":{"canonical_record":{"source":{"id":"2210.02247","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2022-10-05T13:25:42Z","cross_cats_sorted":["stat.CO"],"title_canon_sha256":"6a6eb8a0c46befdc1ce510fad5205234e0978e6b93f5c72818b072673a8099f8","abstract_canon_sha256":"6185ebddd927a72af134eefce06ad76a1826bf4cc54e6e57bf274cc80d66b542"},"schema_version":"1.0"},"canonical_sha256":"44b8a33c28d3e21dca96c4415ba19f95b8c1efc0e30b362df7cd8e40d2347b64","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:56:54.872304Z","signature_b64":"vqjaSYsQfaf6WEOf6SMwh+wPbDN2+sY5wSzRFCS5ze92MFmDFAjzfR7nVp7QHmZE/4BRTj+tq4radDKWL5SgCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"44b8a33c28d3e21dca96c4415ba19f95b8c1efc0e30b362df7cd8e40d2347b64","last_reissued_at":"2026-07-05T08:56:54.871814Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:56:54.871814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2210.02247","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":"2026-07-05T08:56:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vs2PD+0HBafEHLis3ZD0sZT9usNCCTiEANKUrZ6vkcbjumZmC0OMRfEfrfKxJCZ2tZsfEhDeFxYgOek9AWegAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:54:44.066616Z"},"content_sha256":"c61304982a604d8f0289c42a983587bfafcbd4d5467389af32d764ec83590781","schema_version":"1.0","event_id":"sha256:c61304982a604d8f0289c42a983587bfafcbd4d5467389af32d764ec83590781"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:IS4KGPBI2PRB3SUWYRAVXIM7SW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modelling tree survival for investigating climate change effects","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["stat.CO"],"primary_cat":"stat.AP","authors_text":"Alice Davis, Axel Albrecht, Heike Puhlmann, Karim Anaya-Izquierdo, Nicole N. Augustin, Simon N. Wood, Stefan Meining","submitted_at":"2022-10-05T13:25:42Z","abstract_excerpt":"Using German forest health monitoring data we investigate the main drivers leading to tree mortality and the association between defoliation and mortality; in particular (a) whether defoliation is a proxy for other covariates (climate, soil, water budget); (b) whether defoliation is a tree response that mitigates the effects of climate change and (c) whether there is a threshold of defoliation which could be used as an early warning sign for irreversible damage.\n  Results show that environmental drivers leading to tree mortality differ by species, but some are always required in the model. The"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.02247","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2210.02247/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":"2026-07-05T08:56:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XpKcEqJVp5xYLM60pMIfE225c8SpEqrJm9KtOULgo1NWhh3D8NAbBxvy6aEA9kuyTBQTjW+EzjvfAlN+dK/6CQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T02:54:44.067515Z"},"content_sha256":"cb5af49cb4471a4b1148184bba9a7a5b9328a499c8677fb872eae74e12889a43","schema_version":"1.0","event_id":"sha256:cb5af49cb4471a4b1148184bba9a7a5b9328a499c8677fb872eae74e12889a43"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW/bundle.json","state_url":"https://pith.science/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW/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":"2026-08-05T02:54:44Z","links":{"resolver":"https://pith.science/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW","bundle":"https://pith.science/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW/bundle.json","state":"https://pith.science/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IS4KGPBI2PRB3SUWYRAVXIM7SW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:IS4KGPBI2PRB3SUWYRAVXIM7SW","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":"6185ebddd927a72af134eefce06ad76a1826bf4cc54e6e57bf274cc80d66b542","cross_cats_sorted":["stat.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2022-10-05T13:25:42Z","title_canon_sha256":"6a6eb8a0c46befdc1ce510fad5205234e0978e6b93f5c72818b072673a8099f8"},"schema_version":"1.0","source":{"id":"2210.02247","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2210.02247","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"arxiv_version","alias_value":"2210.02247v2","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2210.02247","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"pith_short_12","alias_value":"IS4KGPBI2PRB","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"pith_short_16","alias_value":"IS4KGPBI2PRB3SUW","created_at":"2026-07-05T08:56:54Z"},{"alias_kind":"pith_short_8","alias_value":"IS4KGPBI","created_at":"2026-07-05T08:56:54Z"}],"graph_snapshots":[{"event_id":"sha256:cb5af49cb4471a4b1148184bba9a7a5b9328a499c8677fb872eae74e12889a43","target":"graph","created_at":"2026-07-05T08:56:54Z","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/2210.02247/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Using German forest health monitoring data we investigate the main drivers leading to tree mortality and the association between defoliation and mortality; in particular (a) whether defoliation is a proxy for other covariates (climate, soil, water budget); (b) whether defoliation is a tree response that mitigates the effects of climate change and (c) whether there is a threshold of defoliation which could be used as an early warning sign for irreversible damage.\n  Results show that environmental drivers leading to tree mortality differ by species, but some are always required in the model. The","authors_text":"Alice Davis, Axel Albrecht, Heike Puhlmann, Karim Anaya-Izquierdo, Nicole N. Augustin, Simon N. Wood, Stefan Meining","cross_cats":["stat.CO"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2022-10-05T13:25:42Z","title":"Modelling tree survival for investigating climate change effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2210.02247","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:c61304982a604d8f0289c42a983587bfafcbd4d5467389af32d764ec83590781","target":"record","created_at":"2026-07-05T08:56:54Z","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":"6185ebddd927a72af134eefce06ad76a1826bf4cc54e6e57bf274cc80d66b542","cross_cats_sorted":["stat.CO"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"stat.AP","submitted_at":"2022-10-05T13:25:42Z","title_canon_sha256":"6a6eb8a0c46befdc1ce510fad5205234e0978e6b93f5c72818b072673a8099f8"},"schema_version":"1.0","source":{"id":"2210.02247","kind":"arxiv","version":2}},"canonical_sha256":"44b8a33c28d3e21dca96c4415ba19f95b8c1efc0e30b362df7cd8e40d2347b64","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"44b8a33c28d3e21dca96c4415ba19f95b8c1efc0e30b362df7cd8e40d2347b64","first_computed_at":"2026-07-05T08:56:54.871814Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:56:54.871814Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"vqjaSYsQfaf6WEOf6SMwh+wPbDN2+sY5wSzRFCS5ze92MFmDFAjzfR7nVp7QHmZE/4BRTj+tq4radDKWL5SgCA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:56:54.872304Z","signed_message":"canonical_sha256_bytes"},"source_id":"2210.02247","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c61304982a604d8f0289c42a983587bfafcbd4d5467389af32d764ec83590781","sha256:cb5af49cb4471a4b1148184bba9a7a5b9328a499c8677fb872eae74e12889a43"],"state_sha256":"944b6a3a28f869b862b2d30f6f0f01aa590d7e096134e71061788a3f36ca3d65"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IEkWFn6tnuKVUK62jAuPZlPmTriiiqqS4Nj53YWbVNeS0gS5sS2U05qsjDYstRx2MsgBt1Gu94uXfdt8YEywAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T02:54:44.075913Z","bundle_sha256":"42aabc2d19f0f39cfceb81ade4ee125608dd2ab72bda9fdf95792b3126722989"}}