{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:A5ELUJFAC4GBWOAHZVV4IHZ5HK","short_pith_number":"pith:A5ELUJFA","canonical_record":{"source":{"id":"1011.4373","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2010-11-19T09:00:03Z","cross_cats_sorted":["nlin.CD","physics.acc-ph","physics.plasm-ph"],"title_canon_sha256":"880610d76a254fe64be01cb12d2a399ff97a07e397230381be0df0891775bd6c","abstract_canon_sha256":"2de03f039a7f27de836d42fac14ac264b8649dc795429af62c778a8afb3accf3"},"schema_version":"1.0"},"canonical_sha256":"0748ba24a0170c1b3807cd6bc41f3d3ab697d244c17994cca680cb4465566793","source":{"kind":"arxiv","id":"1011.4373","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4373","created_at":"2026-05-18T03:51:23Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4373v2","created_at":"2026-05-18T03:51:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4373","created_at":"2026-05-18T03:51:23Z"},{"alias_kind":"pith_short_12","alias_value":"A5ELUJFAC4GB","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A5ELUJFAC4GBWOAH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A5ELUJFA","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:A5ELUJFAC4GBWOAHZVV4IHZ5HK","target":"record","payload":{"canonical_record":{"source":{"id":"1011.4373","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2010-11-19T09:00:03Z","cross_cats_sorted":["nlin.CD","physics.acc-ph","physics.plasm-ph"],"title_canon_sha256":"880610d76a254fe64be01cb12d2a399ff97a07e397230381be0df0891775bd6c","abstract_canon_sha256":"2de03f039a7f27de836d42fac14ac264b8649dc795429af62c778a8afb3accf3"},"schema_version":"1.0"},"canonical_sha256":"0748ba24a0170c1b3807cd6bc41f3d3ab697d244c17994cca680cb4465566793","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:51:23.960547Z","signature_b64":"q7V0bQdifb3+hv3ywtMq/92BUgAlslWAS9qK3hww/0t2pGXNRyVKNQ13m9sA46RZcNoqv5tQJUfGVh3eMkiyCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"0748ba24a0170c1b3807cd6bc41f3d3ab697d244c17994cca680cb4465566793","last_reissued_at":"2026-05-18T03:51:23.959885Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:51:23.959885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1011.4373","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":"2026-05-18T03:51:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Y8dcteY4rNg59mlvrENGffM1VaZWznXEoTYGV6R4fsIInCbaDz96s2hqDMA58gP5FFd7Ngqy7YGYit+IbXgwDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:43:57.122573Z"},"content_sha256":"8966c313b17431a11d53bbe1f6268d5a23b814cb03ad404860806a229ef2dd9e","schema_version":"1.0","event_id":"sha256:8966c313b17431a11d53bbe1f6268d5a23b814cb03ad404860806a229ef2dd9e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:A5ELUJFAC4GBWOAHZVV4IHZ5HK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A symplectic, symmetric algorithm for spatial evolution of particles in a time-dependent field","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nlin.CD","physics.acc-ph","physics.plasm-ph"],"primary_cat":"physics.comp-ph","authors_text":"Alberto Ruzzon (PIIM, Fabrice Doveil (PIIM), RFX), Yves Elskens (PIIM)","submitted_at":"2010-11-19T09:00:03Z","abstract_excerpt":"A symplectic, symmetric, second-order scheme is constructed for particle evolution in a time-dependent field with a fixed spatial step. The scheme is implemented in one space dimension and tested, showing excellent adequacy to experiment analysis."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4373","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":"2026-05-18T03:51:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gpLy4t+sI2E0JgiMEN+MJkIAQwk1O6oMETLS/qpqEeqEJhSSSBFAOuSeByFh+J0zMQ34pa2fldHNHuF373AWAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T04:43:57.122916Z"},"content_sha256":"6620df0501526fbef1db56ef0f1f6e376da288446d20eeeb486f15c4a60a203d","schema_version":"1.0","event_id":"sha256:6620df0501526fbef1db56ef0f1f6e376da288446d20eeeb486f15c4a60a203d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK/bundle.json","state_url":"https://pith.science/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK/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":"2026-06-30T04:43:57Z","links":{"resolver":"https://pith.science/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK","bundle":"https://pith.science/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK/bundle.json","state":"https://pith.science/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/A5ELUJFAC4GBWOAHZVV4IHZ5HK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:A5ELUJFAC4GBWOAHZVV4IHZ5HK","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":"2de03f039a7f27de836d42fac14ac264b8649dc795429af62c778a8afb3accf3","cross_cats_sorted":["nlin.CD","physics.acc-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2010-11-19T09:00:03Z","title_canon_sha256":"880610d76a254fe64be01cb12d2a399ff97a07e397230381be0df0891775bd6c"},"schema_version":"1.0","source":{"id":"1011.4373","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1011.4373","created_at":"2026-05-18T03:51:23Z"},{"alias_kind":"arxiv_version","alias_value":"1011.4373v2","created_at":"2026-05-18T03:51:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1011.4373","created_at":"2026-05-18T03:51:23Z"},{"alias_kind":"pith_short_12","alias_value":"A5ELUJFAC4GB","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"A5ELUJFAC4GBWOAH","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"A5ELUJFA","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:6620df0501526fbef1db56ef0f1f6e376da288446d20eeeb486f15c4a60a203d","target":"graph","created_at":"2026-05-18T03:51:23Z","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":"A symplectic, symmetric, second-order scheme is constructed for particle evolution in a time-dependent field with a fixed spatial step. The scheme is implemented in one space dimension and tested, showing excellent adequacy to experiment analysis.","authors_text":"Alberto Ruzzon (PIIM, Fabrice Doveil (PIIM), RFX), Yves Elskens (PIIM)","cross_cats":["nlin.CD","physics.acc-ph","physics.plasm-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2010-11-19T09:00:03Z","title":"A symplectic, symmetric algorithm for spatial evolution of particles in a time-dependent field"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1011.4373","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":"sha256:8966c313b17431a11d53bbe1f6268d5a23b814cb03ad404860806a229ef2dd9e","target":"record","created_at":"2026-05-18T03:51:23Z","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":"2de03f039a7f27de836d42fac14ac264b8649dc795429af62c778a8afb3accf3","cross_cats_sorted":["nlin.CD","physics.acc-ph","physics.plasm-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.comp-ph","submitted_at":"2010-11-19T09:00:03Z","title_canon_sha256":"880610d76a254fe64be01cb12d2a399ff97a07e397230381be0df0891775bd6c"},"schema_version":"1.0","source":{"id":"1011.4373","kind":"arxiv","version":2}},"canonical_sha256":"0748ba24a0170c1b3807cd6bc41f3d3ab697d244c17994cca680cb4465566793","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"0748ba24a0170c1b3807cd6bc41f3d3ab697d244c17994cca680cb4465566793","first_computed_at":"2026-05-18T03:51:23.959885Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:51:23.959885Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"q7V0bQdifb3+hv3ywtMq/92BUgAlslWAS9qK3hww/0t2pGXNRyVKNQ13m9sA46RZcNoqv5tQJUfGVh3eMkiyCw==","signature_status":"signed_v1","signed_at":"2026-05-18T03:51:23.960547Z","signed_message":"canonical_sha256_bytes"},"source_id":"1011.4373","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8966c313b17431a11d53bbe1f6268d5a23b814cb03ad404860806a229ef2dd9e","sha256:6620df0501526fbef1db56ef0f1f6e376da288446d20eeeb486f15c4a60a203d"],"state_sha256":"f4a5a69e9efae45dc4d4e80648c397f445aa4f6f03cf6c94db22a043f81b2d14"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RCqxX3NNwAstR/95pGutcaLu6vK5anE44Rce6HCZvAE/V2veTCDgvSsU/NM7QA3/tvA4EpRdG1bPIQVuRQjjCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T04:43:57.124858Z","bundle_sha256":"b1f3e9646846f19dddd1ffb0a799bb3cf0ee74f7e9fcbc0285a151c641857ed5"}}