{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:6XQQDF7JXDRFFGT23ZLOZOG357","short_pith_number":"pith:6XQQDF7J","canonical_record":{"source":{"id":"1512.07611","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-12-23T20:10:10Z","cross_cats_sorted":[],"title_canon_sha256":"2a106668a8f2858321528573d158e7e4887c4e43fb467e0ed515da717b913a74","abstract_canon_sha256":"f95974cca479b05ba10c412fe749b20ef0a21f8766ab171d8d4b080067227d39"},"schema_version":"1.0"},"canonical_sha256":"f5e10197e9b8e2529a7ade56ecb8dbefeabd5a95fe7ab8f5fafbbbda73804603","source":{"kind":"arxiv","id":"1512.07611","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07611","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07611v1","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07611","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"6XQQDF7JXDRF","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6XQQDF7JXDRFFGT2","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6XQQDF7J","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:6XQQDF7JXDRFFGT23ZLOZOG357","target":"record","payload":{"canonical_record":{"source":{"id":"1512.07611","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-12-23T20:10:10Z","cross_cats_sorted":[],"title_canon_sha256":"2a106668a8f2858321528573d158e7e4887c4e43fb467e0ed515da717b913a74","abstract_canon_sha256":"f95974cca479b05ba10c412fe749b20ef0a21f8766ab171d8d4b080067227d39"},"schema_version":"1.0"},"canonical_sha256":"f5e10197e9b8e2529a7ade56ecb8dbefeabd5a95fe7ab8f5fafbbbda73804603","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:23:49.271442Z","signature_b64":"O6P1eiCa9Dl9gyacTiQfF+2tJ7aoNqbQF6B+vyfxh9jld1EtJY9v3V7s4nkmJyy8Xxtt3jfWThnPcFgMrwkHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f5e10197e9b8e2529a7ade56ecb8dbefeabd5a95fe7ab8f5fafbbbda73804603","last_reissued_at":"2026-05-18T01:23:49.270968Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:23:49.270968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1512.07611","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":"2026-05-18T01:23:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RIJxUGEtq0pK9UTKZPzwTBalL2y+xraODP+goVhhbCFUZ5STTb0r9XGJnaLmzeD733+kPCA44vdKvZBLXe2kCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:50:37.639195Z"},"content_sha256":"dc2b65c3ce5e50b3faf78656eee6ce7b25ff67665faa3349e0daa15eabf356c7","schema_version":"1.0","event_id":"sha256:dc2b65c3ce5e50b3faf78656eee6ce7b25ff67665faa3349e0daa15eabf356c7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:6XQQDF7JXDRFFGT23ZLOZOG357","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mushroom spore dispersal by convectively-driven winds","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"physics.bio-ph","authors_text":"Boya Song, Emilie Dressaire, Lisa Yamada, Marcus Roper","submitted_at":"2015-12-23T20:10:10Z","abstract_excerpt":"Thousands of fungal species rely on mushroom spores to spread across landscapes. It has long been thought that spores depend on favorable airflows for dispersal -- that active control of spore dispersal by the parent fungus is limited to an impulse delivered to the spores to carry them clear of the gill surface. Here we show that evaporative cooling of the air surrounding the mushroom pileus creates convective airflows capable of carrying spores at speeds of centimeters per second. Convective cells can transport spores from gaps that may be only a centimeter high, and lift spores ten centimete"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07611","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":"2026-05-18T01:23:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VDSWI4Dd6PbaA7tGkWKEi8ByqqlQ6dR/jQFF5DrJwqf34nuYjtXTSeBO1hVyI5ebl7NGNWxrObPBKYQKMn8pCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T21:50:37.639861Z"},"content_sha256":"4cc40ad129dba5d5c9eb17747288918ab83a9c36c33b9d62dbc6a61df3ad403e","schema_version":"1.0","event_id":"sha256:4cc40ad129dba5d5c9eb17747288918ab83a9c36c33b9d62dbc6a61df3ad403e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6XQQDF7JXDRFFGT23ZLOZOG357/bundle.json","state_url":"https://pith.science/pith/6XQQDF7JXDRFFGT23ZLOZOG357/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6XQQDF7JXDRFFGT23ZLOZOG357/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":"2026-06-22T21:50:37Z","links":{"resolver":"https://pith.science/pith/6XQQDF7JXDRFFGT23ZLOZOG357","bundle":"https://pith.science/pith/6XQQDF7JXDRFFGT23ZLOZOG357/bundle.json","state":"https://pith.science/pith/6XQQDF7JXDRFFGT23ZLOZOG357/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6XQQDF7JXDRFFGT23ZLOZOG357/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:6XQQDF7JXDRFFGT23ZLOZOG357","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":"f95974cca479b05ba10c412fe749b20ef0a21f8766ab171d8d4b080067227d39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-12-23T20:10:10Z","title_canon_sha256":"2a106668a8f2858321528573d158e7e4887c4e43fb467e0ed515da717b913a74"},"schema_version":"1.0","source":{"id":"1512.07611","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1512.07611","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"arxiv_version","alias_value":"1512.07611v1","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1512.07611","created_at":"2026-05-18T01:23:49Z"},{"alias_kind":"pith_short_12","alias_value":"6XQQDF7JXDRF","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6XQQDF7JXDRFFGT2","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6XQQDF7J","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:4cc40ad129dba5d5c9eb17747288918ab83a9c36c33b9d62dbc6a61df3ad403e","target":"graph","created_at":"2026-05-18T01:23:49Z","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":"Thousands of fungal species rely on mushroom spores to spread across landscapes. It has long been thought that spores depend on favorable airflows for dispersal -- that active control of spore dispersal by the parent fungus is limited to an impulse delivered to the spores to carry them clear of the gill surface. Here we show that evaporative cooling of the air surrounding the mushroom pileus creates convective airflows capable of carrying spores at speeds of centimeters per second. Convective cells can transport spores from gaps that may be only a centimeter high, and lift spores ten centimete","authors_text":"Boya Song, Emilie Dressaire, Lisa Yamada, Marcus Roper","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-12-23T20:10:10Z","title":"Mushroom spore dispersal by convectively-driven winds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1512.07611","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:dc2b65c3ce5e50b3faf78656eee6ce7b25ff67665faa3349e0daa15eabf356c7","target":"record","created_at":"2026-05-18T01:23:49Z","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":"f95974cca479b05ba10c412fe749b20ef0a21f8766ab171d8d4b080067227d39","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.bio-ph","submitted_at":"2015-12-23T20:10:10Z","title_canon_sha256":"2a106668a8f2858321528573d158e7e4887c4e43fb467e0ed515da717b913a74"},"schema_version":"1.0","source":{"id":"1512.07611","kind":"arxiv","version":1}},"canonical_sha256":"f5e10197e9b8e2529a7ade56ecb8dbefeabd5a95fe7ab8f5fafbbbda73804603","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f5e10197e9b8e2529a7ade56ecb8dbefeabd5a95fe7ab8f5fafbbbda73804603","first_computed_at":"2026-05-18T01:23:49.270968Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:23:49.270968Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"O6P1eiCa9Dl9gyacTiQfF+2tJ7aoNqbQF6B+vyfxh9jld1EtJY9v3V7s4nkmJyy8Xxtt3jfWThnPcFgMrwkHDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:23:49.271442Z","signed_message":"canonical_sha256_bytes"},"source_id":"1512.07611","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc2b65c3ce5e50b3faf78656eee6ce7b25ff67665faa3349e0daa15eabf356c7","sha256:4cc40ad129dba5d5c9eb17747288918ab83a9c36c33b9d62dbc6a61df3ad403e"],"state_sha256":"412cedbcce769c0dc5ce7c89bcf33543a5de232fd7b791925badd7a126210a5e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FAM1dAspX5oVUtJdiVLM8Fzx8cAMy9yam/xOko2ncSwQuOYqSctGyb8VFOv4TznUQIFytlaeB1bGPPZSAtEOCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T21:50:37.643172Z","bundle_sha256":"8a631fff997b64b75223e05e56d8b0a4f649c006fec07b91c5bd78527f88dd41"}}