{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:N4X4QKBDE23UTEZEFCJGY5AKNO","short_pith_number":"pith:N4X4QKBD","canonical_record":{"source":{"id":"0910.4251","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-22T08:11:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9c31f955769d652409282f7423571e7987cb73ecaa209f9407ee836a662e7dee","abstract_canon_sha256":"3f993b7424efc406b9f1f962f3dd95d0b2d7be260b249376fc35e921857a14ec"},"schema_version":"1.0"},"canonical_sha256":"6f2fc8282326b749932428926c740a6b99aa16d823afb1dbf7ec30457b834e21","source":{"kind":"arxiv","id":"0910.4251","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4251","created_at":"2026-05-18T02:11:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4251v2","created_at":"2026-05-18T02:11:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4251","created_at":"2026-05-18T02:11:12Z"},{"alias_kind":"pith_short_12","alias_value":"N4X4QKBDE23U","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"N4X4QKBDE23UTEZE","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"N4X4QKBD","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:N4X4QKBDE23UTEZEFCJGY5AKNO","target":"record","payload":{"canonical_record":{"source":{"id":"0910.4251","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-22T08:11:09Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"9c31f955769d652409282f7423571e7987cb73ecaa209f9407ee836a662e7dee","abstract_canon_sha256":"3f993b7424efc406b9f1f962f3dd95d0b2d7be260b249376fc35e921857a14ec"},"schema_version":"1.0"},"canonical_sha256":"6f2fc8282326b749932428926c740a6b99aa16d823afb1dbf7ec30457b834e21","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:11:12.838493Z","signature_b64":"eR/16yNqKCZF1o6+iszQNabPz31JaA0Xu4eNnEgh8JGqTcWm612DMdgD5tkgkwrLkjyXHJZYOMYDffsMM86fCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6f2fc8282326b749932428926c740a6b99aa16d823afb1dbf7ec30457b834e21","last_reissued_at":"2026-05-18T02:11:12.837698Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:11:12.837698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0910.4251","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":"2026-05-18T02:11:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9TGDsVI7AniXNypJzrKZKn04jIRDhcLNkr1ccWhmpyDdxs7fZLx9leBdId60QxZkqnJN51tvzHSFKQbsoEstAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:50:16.747534Z"},"content_sha256":"9b47fdd5d8977dc1600d18652043b32edd4e163caad0b6926340547bc23196f4","schema_version":"1.0","event_id":"sha256:9b47fdd5d8977dc1600d18652043b32edd4e163caad0b6926340547bc23196f4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:N4X4QKBDE23UTEZEFCJGY5AKNO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The outcome of protoplanetary dust growth: pebbles, boulders, or planetesimals? I. Mapping the zoo of laboratory collision experiments","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Andras Zsom, Carsten G\\\"uttler, Chris W. Ormel, Cornelis P. Dullemond, J\\\"urgen Blum","submitted_at":"2009-10-22T08:11:09Z","abstract_excerpt":"The growth processes from protoplanetary dust to planetesimals are not fully understood. Laboratory experiments and theoretical models have shown that collisions among the dust aggregates can lead to sticking, bouncing, and fragmentation. However, no systematic study on the collisional outcome of protoplanetary dust has been performed so far so that a physical model of the dust evolution in protoplanetary disks is still missing. We intend to map the parameter space for the collisional interaction of arbitrarily porous dust aggregates. This parameter space encompasses the dust-aggregate masses,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4251","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":"2026-05-18T02:11:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qLL4nBaBvRUfyUkNa3dAmn2bTUyXHBAJyY/dd+gyaTRLvS1OhctKs05CkzWCLmEPQmid6zX01metIrWHRCeXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T02:50:16.748248Z"},"content_sha256":"d602d275084feabcbef881ab3d9f4fa997aaf53e6e05fcc814f97ee367d319ff","schema_version":"1.0","event_id":"sha256:d602d275084feabcbef881ab3d9f4fa997aaf53e6e05fcc814f97ee367d319ff"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/N4X4QKBDE23UTEZEFCJGY5AKNO/bundle.json","state_url":"https://pith.science/pith/N4X4QKBDE23UTEZEFCJGY5AKNO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/N4X4QKBDE23UTEZEFCJGY5AKNO/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":"2026-06-01T02:50:16Z","links":{"resolver":"https://pith.science/pith/N4X4QKBDE23UTEZEFCJGY5AKNO","bundle":"https://pith.science/pith/N4X4QKBDE23UTEZEFCJGY5AKNO/bundle.json","state":"https://pith.science/pith/N4X4QKBDE23UTEZEFCJGY5AKNO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/N4X4QKBDE23UTEZEFCJGY5AKNO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:N4X4QKBDE23UTEZEFCJGY5AKNO","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":"3f993b7424efc406b9f1f962f3dd95d0b2d7be260b249376fc35e921857a14ec","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-22T08:11:09Z","title_canon_sha256":"9c31f955769d652409282f7423571e7987cb73ecaa209f9407ee836a662e7dee"},"schema_version":"1.0","source":{"id":"0910.4251","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0910.4251","created_at":"2026-05-18T02:11:12Z"},{"alias_kind":"arxiv_version","alias_value":"0910.4251v2","created_at":"2026-05-18T02:11:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0910.4251","created_at":"2026-05-18T02:11:12Z"},{"alias_kind":"pith_short_12","alias_value":"N4X4QKBDE23U","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"N4X4QKBDE23UTEZE","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"N4X4QKBD","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:d602d275084feabcbef881ab3d9f4fa997aaf53e6e05fcc814f97ee367d319ff","target":"graph","created_at":"2026-05-18T02:11:12Z","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 growth processes from protoplanetary dust to planetesimals are not fully understood. Laboratory experiments and theoretical models have shown that collisions among the dust aggregates can lead to sticking, bouncing, and fragmentation. However, no systematic study on the collisional outcome of protoplanetary dust has been performed so far so that a physical model of the dust evolution in protoplanetary disks is still missing. We intend to map the parameter space for the collisional interaction of arbitrarily porous dust aggregates. This parameter space encompasses the dust-aggregate masses,","authors_text":"Andras Zsom, Carsten G\\\"uttler, Chris W. Ormel, Cornelis P. Dullemond, J\\\"urgen Blum","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-22T08:11:09Z","title":"The outcome of protoplanetary dust growth: pebbles, boulders, or planetesimals? I. Mapping the zoo of laboratory collision experiments"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0910.4251","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":"sha256:9b47fdd5d8977dc1600d18652043b32edd4e163caad0b6926340547bc23196f4","target":"record","created_at":"2026-05-18T02:11:12Z","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":"3f993b7424efc406b9f1f962f3dd95d0b2d7be260b249376fc35e921857a14ec","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2009-10-22T08:11:09Z","title_canon_sha256":"9c31f955769d652409282f7423571e7987cb73ecaa209f9407ee836a662e7dee"},"schema_version":"1.0","source":{"id":"0910.4251","kind":"arxiv","version":2}},"canonical_sha256":"6f2fc8282326b749932428926c740a6b99aa16d823afb1dbf7ec30457b834e21","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6f2fc8282326b749932428926c740a6b99aa16d823afb1dbf7ec30457b834e21","first_computed_at":"2026-05-18T02:11:12.837698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:11:12.837698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eR/16yNqKCZF1o6+iszQNabPz31JaA0Xu4eNnEgh8JGqTcWm612DMdgD5tkgkwrLkjyXHJZYOMYDffsMM86fCw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:11:12.838493Z","signed_message":"canonical_sha256_bytes"},"source_id":"0910.4251","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9b47fdd5d8977dc1600d18652043b32edd4e163caad0b6926340547bc23196f4","sha256:d602d275084feabcbef881ab3d9f4fa997aaf53e6e05fcc814f97ee367d319ff"],"state_sha256":"6606806fb683a78cfe15641bcf194c79cdaed8492417e5399b09ed83551db7e1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"m9QC7zQc0wq2OE1dkb3ZQARCTrv0q6iKkuBPCfCU9P5w1yldrYqeJNH5AmNY2YZEt84xGDP57vAzLJL8HTBCDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T02:50:16.751878Z","bundle_sha256":"00d4a28957d91f40aef1eb694ebe7ab30f67b1b1ff0cedf46c85f1b743839e12"}}