{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:E36C4EL7USYMAJ2UZFBS2JTA5S","short_pith_number":"pith:E36C4EL7","canonical_record":{"source":{"id":"1602.01436","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.OT","submitted_at":"2016-02-02T13:09:04Z","cross_cats_sorted":[],"title_canon_sha256":"35802bf7ee5945585be111fdff22c82d7cec731e459c08c6c644929c8f45fd9e","abstract_canon_sha256":"5a3704a47087480d763eb64d0e6e08a9c5f230f2e38266b26bb11198de72a042"},"schema_version":"1.0"},"canonical_sha256":"26fc2e117fa4b0c02754c9432d2660ec8802ac44ec21a2b18bb384ed9641e91c","source":{"kind":"arxiv","id":"1602.01436","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.01436","created_at":"2026-05-18T00:13:55Z"},{"alias_kind":"arxiv_version","alias_value":"1602.01436v1","created_at":"2026-05-18T00:13:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01436","created_at":"2026-05-18T00:13:55Z"},{"alias_kind":"pith_short_12","alias_value":"E36C4EL7USYM","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E36C4EL7USYMAJ2U","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E36C4EL7","created_at":"2026-05-18T12:30:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:E36C4EL7USYMAJ2UZFBS2JTA5S","target":"record","payload":{"canonical_record":{"source":{"id":"1602.01436","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.OT","submitted_at":"2016-02-02T13:09:04Z","cross_cats_sorted":[],"title_canon_sha256":"35802bf7ee5945585be111fdff22c82d7cec731e459c08c6c644929c8f45fd9e","abstract_canon_sha256":"5a3704a47087480d763eb64d0e6e08a9c5f230f2e38266b26bb11198de72a042"},"schema_version":"1.0"},"canonical_sha256":"26fc2e117fa4b0c02754c9432d2660ec8802ac44ec21a2b18bb384ed9641e91c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:13:55.460694Z","signature_b64":"OhDd/pC7cKqdD1DTFo89r6JxgHioKKW2HyhC+jYbYj/0x5lQRyt+54YLGmCyJ8vGHEJsEI/wNcAeq6j41+ZwDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26fc2e117fa4b0c02754c9432d2660ec8802ac44ec21a2b18bb384ed9641e91c","last_reissued_at":"2026-05-18T00:13:55.460096Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:13:55.460096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1602.01436","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":"2026-05-18T00:13:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u9ohetAt2SF2R+QSwQjIwraqnBMDLE7L9sA2G3APKjpvCLHL13awYrH2OvfQuMpyyNzWUcfh3RbLzztJtRqEAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T20:02:26.049533Z"},"content_sha256":"55ab4e33fca487a34eda94eaa8e1669016ee5523ab78cd46968aac152769d32a","schema_version":"1.0","event_id":"sha256:55ab4e33fca487a34eda94eaa8e1669016ee5523ab78cd46968aac152769d32a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:E36C4EL7USYMAJ2UZFBS2JTA5S","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Roadless space is greatly diminished by logging in intact forest landscapes of the Congo Basin","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"q-bio.OT","authors_text":"Frederic Mortier, Fritz Kleinschroth, John R. Healey, Radu S. Stoica, Sylvie Gourlet-Fleury","submitted_at":"2016-02-02T13:09:04Z","abstract_excerpt":"Forest degradation in the tropics is often associated with roads built for selective logging. The protection of Intact Forest Landscapes (IFL) that are not accessible by roads is high on the biodiversity conservation agenda, a challenge for logging concessions certified by the Forest Stewardship Council (FSC). A frequently advocated conservation objective is to maximise the retention of \"roadless space\", a concept that is based on distance to the nearest road from any point. We developed a novel use of the empty space function - a general statistical tool based on stochastic geometry and rando"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01436","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":"2026-05-18T00:13:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LkGCU5rW1Sa32ebAAz+x/NycCPQARHn/2zCu09JKYrteMV9ytwxOnwLtsUyV7ELhdphJ8M1vvyjJXqOuHjGwDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-27T20:02:26.049876Z"},"content_sha256":"65b4166f576c7c3c73f2540b42905921f4888e81b7c9e04dececfbf0a49d8e48","schema_version":"1.0","event_id":"sha256:65b4166f576c7c3c73f2540b42905921f4888e81b7c9e04dececfbf0a49d8e48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E36C4EL7USYMAJ2UZFBS2JTA5S/bundle.json","state_url":"https://pith.science/pith/E36C4EL7USYMAJ2UZFBS2JTA5S/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E36C4EL7USYMAJ2UZFBS2JTA5S/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":"2026-06-27T20:02:26Z","links":{"resolver":"https://pith.science/pith/E36C4EL7USYMAJ2UZFBS2JTA5S","bundle":"https://pith.science/pith/E36C4EL7USYMAJ2UZFBS2JTA5S/bundle.json","state":"https://pith.science/pith/E36C4EL7USYMAJ2UZFBS2JTA5S/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E36C4EL7USYMAJ2UZFBS2JTA5S/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:E36C4EL7USYMAJ2UZFBS2JTA5S","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":"5a3704a47087480d763eb64d0e6e08a9c5f230f2e38266b26bb11198de72a042","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.OT","submitted_at":"2016-02-02T13:09:04Z","title_canon_sha256":"35802bf7ee5945585be111fdff22c82d7cec731e459c08c6c644929c8f45fd9e"},"schema_version":"1.0","source":{"id":"1602.01436","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1602.01436","created_at":"2026-05-18T00:13:55Z"},{"alias_kind":"arxiv_version","alias_value":"1602.01436v1","created_at":"2026-05-18T00:13:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1602.01436","created_at":"2026-05-18T00:13:55Z"},{"alias_kind":"pith_short_12","alias_value":"E36C4EL7USYM","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_16","alias_value":"E36C4EL7USYMAJ2U","created_at":"2026-05-18T12:30:12Z"},{"alias_kind":"pith_short_8","alias_value":"E36C4EL7","created_at":"2026-05-18T12:30:12Z"}],"graph_snapshots":[{"event_id":"sha256:65b4166f576c7c3c73f2540b42905921f4888e81b7c9e04dececfbf0a49d8e48","target":"graph","created_at":"2026-05-18T00:13:55Z","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":"Forest degradation in the tropics is often associated with roads built for selective logging. The protection of Intact Forest Landscapes (IFL) that are not accessible by roads is high on the biodiversity conservation agenda, a challenge for logging concessions certified by the Forest Stewardship Council (FSC). A frequently advocated conservation objective is to maximise the retention of \"roadless space\", a concept that is based on distance to the nearest road from any point. We developed a novel use of the empty space function - a general statistical tool based on stochastic geometry and rando","authors_text":"Frederic Mortier, Fritz Kleinschroth, John R. Healey, Radu S. Stoica, Sylvie Gourlet-Fleury","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.OT","submitted_at":"2016-02-02T13:09:04Z","title":"Roadless space is greatly diminished by logging in intact forest landscapes of the Congo Basin"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1602.01436","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":"sha256:55ab4e33fca487a34eda94eaa8e1669016ee5523ab78cd46968aac152769d32a","target":"record","created_at":"2026-05-18T00:13:55Z","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":"5a3704a47087480d763eb64d0e6e08a9c5f230f2e38266b26bb11198de72a042","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"q-bio.OT","submitted_at":"2016-02-02T13:09:04Z","title_canon_sha256":"35802bf7ee5945585be111fdff22c82d7cec731e459c08c6c644929c8f45fd9e"},"schema_version":"1.0","source":{"id":"1602.01436","kind":"arxiv","version":1}},"canonical_sha256":"26fc2e117fa4b0c02754c9432d2660ec8802ac44ec21a2b18bb384ed9641e91c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26fc2e117fa4b0c02754c9432d2660ec8802ac44ec21a2b18bb384ed9641e91c","first_computed_at":"2026-05-18T00:13:55.460096Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:13:55.460096Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OhDd/pC7cKqdD1DTFo89r6JxgHioKKW2HyhC+jYbYj/0x5lQRyt+54YLGmCyJ8vGHEJsEI/wNcAeq6j41+ZwDA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:13:55.460694Z","signed_message":"canonical_sha256_bytes"},"source_id":"1602.01436","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:55ab4e33fca487a34eda94eaa8e1669016ee5523ab78cd46968aac152769d32a","sha256:65b4166f576c7c3c73f2540b42905921f4888e81b7c9e04dececfbf0a49d8e48"],"state_sha256":"2226c12fe8bd54688517fc8f21f17a16eb64bda9fbe122b820f72b92bf2c5ecb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iPLfk3Odw1TAxW5bLEY66vJTkVgpnev4E9iN/d/k5G+E0o2+UdPjK904rNR/syev+BHpZHlNX7eRkqvEHC6+Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-27T20:02:26.052137Z","bundle_sha256":"27b693ab0e4741e4e298eb8de2c9bd0d9ce5fa9a185350e6be4354bc9fc4b5a9"}}