{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:1998:RXLRYBYM6UO474B4PNOFM3AZTR","short_pith_number":"pith:RXLRYBYM","canonical_record":{"source":{"id":"chao-dyn/9810015","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"chao-dyn","submitted_at":"1998-10-13T11:32:16Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"ee73100967d31ba22939e676d1442df416f98abe3d0b5e03d5f06b4916ca8ee1","abstract_canon_sha256":"2c7bde98725a86eaaa39240a841485a636a6b56732bdf5a151ac258b819eb3d7"},"schema_version":"1.0"},"canonical_sha256":"8dd71c070cf51dcff03c7b5c566c199c77532ce583850bab0b583dd4fd9b61dc","source":{"kind":"arxiv","id":"chao-dyn/9810015","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"chao-dyn/9810015","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"arxiv_version","alias_value":"chao-dyn/9810015v1","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.chao-dyn/9810015","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"pith_short_12","alias_value":"RXLRYBYM6UO4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"RXLRYBYM6UO474B4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"RXLRYBYM","created_at":"2026-05-18T12:25:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:1998:RXLRYBYM6UO474B4PNOFM3AZTR","target":"record","payload":{"canonical_record":{"source":{"id":"chao-dyn/9810015","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"chao-dyn","submitted_at":"1998-10-13T11:32:16Z","cross_cats_sorted":["nlin.CD"],"title_canon_sha256":"ee73100967d31ba22939e676d1442df416f98abe3d0b5e03d5f06b4916ca8ee1","abstract_canon_sha256":"2c7bde98725a86eaaa39240a841485a636a6b56732bdf5a151ac258b819eb3d7"},"schema_version":"1.0"},"canonical_sha256":"8dd71c070cf51dcff03c7b5c566c199c77532ce583850bab0b583dd4fd9b61dc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:18:27.308905Z","signature_b64":"uEzCLW/qJE5MltWYXpfKZTZN+JjDzsaOgGWXmA9k7UoFokeWlfTxV6hFarhxOQ46nmEUNK6Zstlg1t3QD1sAAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8dd71c070cf51dcff03c7b5c566c199c77532ce583850bab0b583dd4fd9b61dc","last_reissued_at":"2026-05-18T00:18:27.308473Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:18:27.308473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"chao-dyn/9810015","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":"2026-05-18T00:18:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DcXhFkL3ToKi+zvOrHTO2ApHK83/WRiy4B7XzSTlzbjmqKK69eq9YL6PvRORxqwnPx2CbeQ6HeUOewBNMprAAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T23:33:39.137717Z"},"content_sha256":"3943dc2bcf4623b4f5bf957ad028d2de246fd09082991fc0a4454eb309db2759","schema_version":"1.0","event_id":"sha256:3943dc2bcf4623b4f5bf957ad028d2de246fd09082991fc0a4454eb309db2759"},{"event_type":"graph_snapshot","subject_pith_number":"pith:1998:RXLRYBYM6UO474B4PNOFM3AZTR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Chaos in coplanar classical collisions with particles interacting through $1/r^2$ forces","license":"","headline":"","cross_cats":["nlin.CD"],"primary_cat":"chao-dyn","authors_text":"F. Sattin, L. Salasnich","submitted_at":"1998-10-13T11:32:16Z","abstract_excerpt":"The scattering among three particles interacting through $1/r^2$ forces, with opposite charges and widely different masses, is studied in a coplanar geometry. The present work shows that at low impact velocities the output of the collision presents typical fingerprints of chaos. The details of the process are investigated."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"chao-dyn/9810015","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":"2026-05-18T00:18:27Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J88zNga2ff03IWkXFA4hR1gFo+QoQHLOV6KKCS66nDfZ69/cCkh4xizt7qLHKDEA5eiKzHt1NMp4lT3zG9+IBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T23:33:39.138467Z"},"content_sha256":"d25692bde816f1411ebde284c032f5701fd04719ca91df14eac7bd7aa2903802","schema_version":"1.0","event_id":"sha256:d25692bde816f1411ebde284c032f5701fd04719ca91df14eac7bd7aa2903802"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RXLRYBYM6UO474B4PNOFM3AZTR/bundle.json","state_url":"https://pith.science/pith/RXLRYBYM6UO474B4PNOFM3AZTR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RXLRYBYM6UO474B4PNOFM3AZTR/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":"2026-05-24T23:33:39Z","links":{"resolver":"https://pith.science/pith/RXLRYBYM6UO474B4PNOFM3AZTR","bundle":"https://pith.science/pith/RXLRYBYM6UO474B4PNOFM3AZTR/bundle.json","state":"https://pith.science/pith/RXLRYBYM6UO474B4PNOFM3AZTR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RXLRYBYM6UO474B4PNOFM3AZTR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:1998:RXLRYBYM6UO474B4PNOFM3AZTR","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":"2c7bde98725a86eaaa39240a841485a636a6b56732bdf5a151ac258b819eb3d7","cross_cats_sorted":["nlin.CD"],"license":"","primary_cat":"chao-dyn","submitted_at":"1998-10-13T11:32:16Z","title_canon_sha256":"ee73100967d31ba22939e676d1442df416f98abe3d0b5e03d5f06b4916ca8ee1"},"schema_version":"1.0","source":{"id":"chao-dyn/9810015","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"chao-dyn/9810015","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"arxiv_version","alias_value":"chao-dyn/9810015v1","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.chao-dyn/9810015","created_at":"2026-05-18T00:18:27Z"},{"alias_kind":"pith_short_12","alias_value":"RXLRYBYM6UO4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_16","alias_value":"RXLRYBYM6UO474B4","created_at":"2026-05-18T12:25:49Z"},{"alias_kind":"pith_short_8","alias_value":"RXLRYBYM","created_at":"2026-05-18T12:25:49Z"}],"graph_snapshots":[{"event_id":"sha256:d25692bde816f1411ebde284c032f5701fd04719ca91df14eac7bd7aa2903802","target":"graph","created_at":"2026-05-18T00:18:27Z","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 scattering among three particles interacting through $1/r^2$ forces, with opposite charges and widely different masses, is studied in a coplanar geometry. The present work shows that at low impact velocities the output of the collision presents typical fingerprints of chaos. The details of the process are investigated.","authors_text":"F. Sattin, L. Salasnich","cross_cats":["nlin.CD"],"headline":"","license":"","primary_cat":"chao-dyn","submitted_at":"1998-10-13T11:32:16Z","title":"Chaos in coplanar classical collisions with particles interacting through $1/r^2$ forces"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"chao-dyn/9810015","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":"sha256:3943dc2bcf4623b4f5bf957ad028d2de246fd09082991fc0a4454eb309db2759","target":"record","created_at":"2026-05-18T00:18:27Z","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":"2c7bde98725a86eaaa39240a841485a636a6b56732bdf5a151ac258b819eb3d7","cross_cats_sorted":["nlin.CD"],"license":"","primary_cat":"chao-dyn","submitted_at":"1998-10-13T11:32:16Z","title_canon_sha256":"ee73100967d31ba22939e676d1442df416f98abe3d0b5e03d5f06b4916ca8ee1"},"schema_version":"1.0","source":{"id":"chao-dyn/9810015","kind":"arxiv","version":1}},"canonical_sha256":"8dd71c070cf51dcff03c7b5c566c199c77532ce583850bab0b583dd4fd9b61dc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8dd71c070cf51dcff03c7b5c566c199c77532ce583850bab0b583dd4fd9b61dc","first_computed_at":"2026-05-18T00:18:27.308473Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:18:27.308473Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uEzCLW/qJE5MltWYXpfKZTZN+JjDzsaOgGWXmA9k7UoFokeWlfTxV6hFarhxOQ46nmEUNK6Zstlg1t3QD1sAAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:18:27.308905Z","signed_message":"canonical_sha256_bytes"},"source_id":"chao-dyn/9810015","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3943dc2bcf4623b4f5bf957ad028d2de246fd09082991fc0a4454eb309db2759","sha256:d25692bde816f1411ebde284c032f5701fd04719ca91df14eac7bd7aa2903802"],"state_sha256":"73e552474eb7f80d0aa2fdebf35b593a1dcbcd7d48ff33350ae6b6b08fb10266"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OsFTF2koONl/SiT66lrxMyuCUpWVJbEO+bIKIBTitH+RmGcCM9imN5ICfxhhSa1NS8zXaxXVdAxxAuTUO5ExCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T23:33:39.142327Z","bundle_sha256":"477e0791d12a7280ebac9f4a88e51a3cd92b16a1c5c163a45f60fb65e7ff3d77"}}