{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:KT4LDEJR62JVXBGF2T3GI5XP37","short_pith_number":"pith:KT4LDEJR","canonical_record":{"source":{"id":"1105.3897","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-19T14:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"4aa4b3beaab31c7802030f52f89eef6202a75538c57b8907fabb0e8785f9e8a0","abstract_canon_sha256":"1788ca237d908efa72203608be4e3f2657f077837bdba527ed6745298ba518c3"},"schema_version":"1.0"},"canonical_sha256":"54f8b19131f6935b84c5d4f66476efdff3651335fdd1c86a2cb46200e6a421cc","source":{"kind":"arxiv","id":"1105.3897","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3897","created_at":"2026-05-18T02:01:55Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3897v2","created_at":"2026-05-18T02:01:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3897","created_at":"2026-05-18T02:01:55Z"},{"alias_kind":"pith_short_12","alias_value":"KT4LDEJR62JV","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KT4LDEJR62JVXBGF","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KT4LDEJR","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:KT4LDEJR62JVXBGF2T3GI5XP37","target":"record","payload":{"canonical_record":{"source":{"id":"1105.3897","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-19T14:50:16Z","cross_cats_sorted":[],"title_canon_sha256":"4aa4b3beaab31c7802030f52f89eef6202a75538c57b8907fabb0e8785f9e8a0","abstract_canon_sha256":"1788ca237d908efa72203608be4e3f2657f077837bdba527ed6745298ba518c3"},"schema_version":"1.0"},"canonical_sha256":"54f8b19131f6935b84c5d4f66476efdff3651335fdd1c86a2cb46200e6a421cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:01:55.972051Z","signature_b64":"RDKncGASA0lX6KcYpFUPMndIzxbAH4ScfSrYeUPm4dOr0ROWS/v5vWaaxS0caPujqf2x4i0/BF8oMMmvKVFUDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"54f8b19131f6935b84c5d4f66476efdff3651335fdd1c86a2cb46200e6a421cc","last_reissued_at":"2026-05-18T02:01:55.971275Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:01:55.971275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.3897","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":"2026-05-18T02:01:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yAI+/BD7CzhVL900kHzPSYW6cqg0engICcALCuSarQ7BXa/JRyKctRfhBNzvAMIb/sDfHAgjeE+JYSsqSalkAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T17:33:48.086551Z"},"content_sha256":"5f1c5ad438e89b2ddfa2a5c6b38d39a3fbd86a511fd47e97da9c843f4aee3955","schema_version":"1.0","event_id":"sha256:5f1c5ad438e89b2ddfa2a5c6b38d39a3fbd86a511fd47e97da9c843f4aee3955"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:KT4LDEJR62JVXBGF2T3GI5XP37","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"\\'Free Collisions in a Microgravity Many-Particle Experiment. II. The Collision Dynamics of Dust-Coated Chondrules","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Carsten G\\\"uttler, Eike Beitz, J\\\"urgen Blum, Ren\\'e Weidling","submitted_at":"2011-05-19T14:50:16Z","abstract_excerpt":"The formation of planetesimals in the early Solar System is hardly understood, and in particular the growth of dust aggregates above millimeter sizes has recently turned out to be a difficult task in our understanding [Zsom et al. 2010, A&A, 513, A57]. Laboratory experiments have shown that dust aggregates of these sizes stick to one another only at unreasonably low velocities. However, in the protoplanetary disk, millimeter-sized particles are known to have been ubiquitous. One can find relics of them in the form of solid chondrules as the main constituent of chondrites. Most of these chondru"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3897","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":""},"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":"2026-05-18T02:01:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0YrXh1xXCV0BI9hZX09eNcuyo+BaWaG0/kjZA71w6dhy5iXh93204M+iwkelEcCk1UyVrGxmDgUdptwrgWtSCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-22T17:33:48.086896Z"},"content_sha256":"9b6f9fcc80c78ae3c5277885c919e0ac9b4a0ba81ba26361a50572c98958824d","schema_version":"1.0","event_id":"sha256:9b6f9fcc80c78ae3c5277885c919e0ac9b4a0ba81ba26361a50572c98958824d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KT4LDEJR62JVXBGF2T3GI5XP37/bundle.json","state_url":"https://pith.science/pith/KT4LDEJR62JVXBGF2T3GI5XP37/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KT4LDEJR62JVXBGF2T3GI5XP37/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":"2026-05-22T17:33:48Z","links":{"resolver":"https://pith.science/pith/KT4LDEJR62JVXBGF2T3GI5XP37","bundle":"https://pith.science/pith/KT4LDEJR62JVXBGF2T3GI5XP37/bundle.json","state":"https://pith.science/pith/KT4LDEJR62JVXBGF2T3GI5XP37/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KT4LDEJR62JVXBGF2T3GI5XP37/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:KT4LDEJR62JVXBGF2T3GI5XP37","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":"1788ca237d908efa72203608be4e3f2657f077837bdba527ed6745298ba518c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-19T14:50:16Z","title_canon_sha256":"4aa4b3beaab31c7802030f52f89eef6202a75538c57b8907fabb0e8785f9e8a0"},"schema_version":"1.0","source":{"id":"1105.3897","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.3897","created_at":"2026-05-18T02:01:55Z"},{"alias_kind":"arxiv_version","alias_value":"1105.3897v2","created_at":"2026-05-18T02:01:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.3897","created_at":"2026-05-18T02:01:55Z"},{"alias_kind":"pith_short_12","alias_value":"KT4LDEJR62JV","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"KT4LDEJR62JVXBGF","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"KT4LDEJR","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:9b6f9fcc80c78ae3c5277885c919e0ac9b4a0ba81ba26361a50572c98958824d","target":"graph","created_at":"2026-05-18T02:01:55Z","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":"The formation of planetesimals in the early Solar System is hardly understood, and in particular the growth of dust aggregates above millimeter sizes has recently turned out to be a difficult task in our understanding [Zsom et al. 2010, A&A, 513, A57]. Laboratory experiments have shown that dust aggregates of these sizes stick to one another only at unreasonably low velocities. However, in the protoplanetary disk, millimeter-sized particles are known to have been ubiquitous. One can find relics of them in the form of solid chondrules as the main constituent of chondrites. Most of these chondru","authors_text":"Carsten G\\\"uttler, Eike Beitz, J\\\"urgen Blum, Ren\\'e Weidling","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-19T14:50:16Z","title":"\\'Free Collisions in a Microgravity Many-Particle Experiment. II. The Collision Dynamics of Dust-Coated Chondrules"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.3897","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":"sha256:5f1c5ad438e89b2ddfa2a5c6b38d39a3fbd86a511fd47e97da9c843f4aee3955","target":"record","created_at":"2026-05-18T02:01:55Z","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":"1788ca237d908efa72203608be4e3f2657f077837bdba527ed6745298ba518c3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-05-19T14:50:16Z","title_canon_sha256":"4aa4b3beaab31c7802030f52f89eef6202a75538c57b8907fabb0e8785f9e8a0"},"schema_version":"1.0","source":{"id":"1105.3897","kind":"arxiv","version":2}},"canonical_sha256":"54f8b19131f6935b84c5d4f66476efdff3651335fdd1c86a2cb46200e6a421cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"54f8b19131f6935b84c5d4f66476efdff3651335fdd1c86a2cb46200e6a421cc","first_computed_at":"2026-05-18T02:01:55.971275Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:01:55.971275Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"RDKncGASA0lX6KcYpFUPMndIzxbAH4ScfSrYeUPm4dOr0ROWS/v5vWaaxS0caPujqf2x4i0/BF8oMMmvKVFUDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:01:55.972051Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.3897","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:5f1c5ad438e89b2ddfa2a5c6b38d39a3fbd86a511fd47e97da9c843f4aee3955","sha256:9b6f9fcc80c78ae3c5277885c919e0ac9b4a0ba81ba26361a50572c98958824d"],"state_sha256":"7b73908a8b8c32a7c67e8f3d27a5e58047342ea486253c0691d5d410d13902e2"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TO7ZSIAXA4QlO4t7U3SzEncGh6SJEsW04HSk+YjvynJAq7tZs102HhTzySXxY0/CLEA7iomZz2PLu/Iv7a0GBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-22T17:33:48.089889Z","bundle_sha256":"d7431fb69ec71fd124631167104df0f01634530b3f9eaf15e710958f2d5ca8f8"}}