{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:YNF3Z6CD557MIFCOPKLR52PYES","short_pith_number":"pith:YNF3Z6CD","canonical_record":{"source":{"id":"1705.11141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-05-31T15:23:42Z","cross_cats_sorted":["physics.class-ph","physics.comp-ph"],"title_canon_sha256":"4b23ea9f5fb51dbb15caf2b9028e81885ec9f83b8980b900ba176a408d784b03","abstract_canon_sha256":"b5aa4cb5d998a0b68cdbe2a3917adba06982c65340301955225f2be0e22c4e44"},"schema_version":"1.0"},"canonical_sha256":"c34bbcf843ef7ec4144e7a971ee9f8249c13806a5847060a7ac5c850e5a1381e","source":{"kind":"arxiv","id":"1705.11141","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.11141","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"arxiv_version","alias_value":"1705.11141v1","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.11141","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"pith_short_12","alias_value":"YNF3Z6CD557M","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YNF3Z6CD557MIFCO","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YNF3Z6CD","created_at":"2026-05-18T12:31:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:YNF3Z6CD557MIFCOPKLR52PYES","target":"record","payload":{"canonical_record":{"source":{"id":"1705.11141","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-05-31T15:23:42Z","cross_cats_sorted":["physics.class-ph","physics.comp-ph"],"title_canon_sha256":"4b23ea9f5fb51dbb15caf2b9028e81885ec9f83b8980b900ba176a408d784b03","abstract_canon_sha256":"b5aa4cb5d998a0b68cdbe2a3917adba06982c65340301955225f2be0e22c4e44"},"schema_version":"1.0"},"canonical_sha256":"c34bbcf843ef7ec4144e7a971ee9f8249c13806a5847060a7ac5c850e5a1381e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:19.147570Z","signature_b64":"NvL1+FfpdpjsG0TtriAZeUB+/6U8/whOwVZUXrx0Lb930TJeQzS0rEjYMaQKsC3tpvQkeSL9QaYsYxrC+mClDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c34bbcf843ef7ec4144e7a971ee9f8249c13806a5847060a7ac5c850e5a1381e","last_reissued_at":"2026-05-18T00:43:19.146989Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:19.146989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.11141","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":"2026-05-18T00:43:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IG5Mf9BL6HP9/wA2nEH8ir1FIrPJEBbUVjREaNITu8J+jsiAqWvRSF7TJWR6mBVZzXloULJG0Qtt69+VloyEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:50:56.529807Z"},"content_sha256":"ce6d47f69ff8d69144ed418b07eeaa48f4655e93f870286f91d17c094977af9a","schema_version":"1.0","event_id":"sha256:ce6d47f69ff8d69144ed418b07eeaa48f4655e93f870286f91d17c094977af9a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:YNF3Z6CD557MIFCOPKLR52PYES","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"An algorithm-based introduction to the evolution of physical systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.class-ph","physics.comp-ph"],"primary_cat":"physics.ed-ph","authors_text":"Eliana D'Ambrosio, Emilio Balzano, Rodolfo Figari","submitted_at":"2017-05-31T15:23:42Z","abstract_excerpt":"We outline an unified introduction to the evolution equations of classical and quantum systems intended for a high school students audience. The attempt consists in circumventing the lack of mathematical knowledge with the use of simplified forms of numerical analysis. The aim is to allow students to approach theoretical features as well as computational aspects of the evolution equations. In particular, the possibility to compute and analyze approximate solutions of the dynamical laws of classical, stochastic and quantum mechanics enables to highlight the distinctive role played by probabilit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.11141","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":"2026-05-18T00:43:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"beDtFhzvjVnSSHN76ggkrjTNSuqlD6sqEe+HkLLGzVJvfC/scGsb3APiA5xYDcOzo9ks8VNGJP+7/oDLojWyDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:50:56.530156Z"},"content_sha256":"9535b52d77dd0ade5b9ce319dffa260c50692668af1e951eee8d80f592b152f0","schema_version":"1.0","event_id":"sha256:9535b52d77dd0ade5b9ce319dffa260c50692668af1e951eee8d80f592b152f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YNF3Z6CD557MIFCOPKLR52PYES/bundle.json","state_url":"https://pith.science/pith/YNF3Z6CD557MIFCOPKLR52PYES/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YNF3Z6CD557MIFCOPKLR52PYES/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":"2026-06-26T13:50:56Z","links":{"resolver":"https://pith.science/pith/YNF3Z6CD557MIFCOPKLR52PYES","bundle":"https://pith.science/pith/YNF3Z6CD557MIFCOPKLR52PYES/bundle.json","state":"https://pith.science/pith/YNF3Z6CD557MIFCOPKLR52PYES/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YNF3Z6CD557MIFCOPKLR52PYES/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:YNF3Z6CD557MIFCOPKLR52PYES","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":"b5aa4cb5d998a0b68cdbe2a3917adba06982c65340301955225f2be0e22c4e44","cross_cats_sorted":["physics.class-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-05-31T15:23:42Z","title_canon_sha256":"4b23ea9f5fb51dbb15caf2b9028e81885ec9f83b8980b900ba176a408d784b03"},"schema_version":"1.0","source":{"id":"1705.11141","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.11141","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"arxiv_version","alias_value":"1705.11141v1","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.11141","created_at":"2026-05-18T00:43:19Z"},{"alias_kind":"pith_short_12","alias_value":"YNF3Z6CD557M","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_16","alias_value":"YNF3Z6CD557MIFCO","created_at":"2026-05-18T12:31:56Z"},{"alias_kind":"pith_short_8","alias_value":"YNF3Z6CD","created_at":"2026-05-18T12:31:56Z"}],"graph_snapshots":[{"event_id":"sha256:9535b52d77dd0ade5b9ce319dffa260c50692668af1e951eee8d80f592b152f0","target":"graph","created_at":"2026-05-18T00:43:19Z","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":"We outline an unified introduction to the evolution equations of classical and quantum systems intended for a high school students audience. The attempt consists in circumventing the lack of mathematical knowledge with the use of simplified forms of numerical analysis. The aim is to allow students to approach theoretical features as well as computational aspects of the evolution equations. In particular, the possibility to compute and analyze approximate solutions of the dynamical laws of classical, stochastic and quantum mechanics enables to highlight the distinctive role played by probabilit","authors_text":"Eliana D'Ambrosio, Emilio Balzano, Rodolfo Figari","cross_cats":["physics.class-ph","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-05-31T15:23:42Z","title":"An algorithm-based introduction to the evolution of physical systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.11141","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:ce6d47f69ff8d69144ed418b07eeaa48f4655e93f870286f91d17c094977af9a","target":"record","created_at":"2026-05-18T00:43:19Z","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":"b5aa4cb5d998a0b68cdbe2a3917adba06982c65340301955225f2be0e22c4e44","cross_cats_sorted":["physics.class-ph","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.ed-ph","submitted_at":"2017-05-31T15:23:42Z","title_canon_sha256":"4b23ea9f5fb51dbb15caf2b9028e81885ec9f83b8980b900ba176a408d784b03"},"schema_version":"1.0","source":{"id":"1705.11141","kind":"arxiv","version":1}},"canonical_sha256":"c34bbcf843ef7ec4144e7a971ee9f8249c13806a5847060a7ac5c850e5a1381e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c34bbcf843ef7ec4144e7a971ee9f8249c13806a5847060a7ac5c850e5a1381e","first_computed_at":"2026-05-18T00:43:19.146989Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:19.146989Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NvL1+FfpdpjsG0TtriAZeUB+/6U8/whOwVZUXrx0Lb930TJeQzS0rEjYMaQKsC3tpvQkeSL9QaYsYxrC+mClDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:19.147570Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.11141","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce6d47f69ff8d69144ed418b07eeaa48f4655e93f870286f91d17c094977af9a","sha256:9535b52d77dd0ade5b9ce319dffa260c50692668af1e951eee8d80f592b152f0"],"state_sha256":"e95a853a99a75884e7f77445f8f9b85951eedec31a25c79c5e7f6a97651dcb90"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FBNvppGSdC/Zz7jjAHRB5hI5cyjMHgbUnxJOEwHVUzBUj7lvtTQk4K3WoJCbHGtuOuWuK3QbQzY7yirrRxXwCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T13:50:56.532170Z","bundle_sha256":"8948f346b7b355c8a0ee303b677b6e0613cbc1e5e614f98e7fde82d689b68147"}}