{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ZDWR5BGVSNOWQ3HGCEEZOEVIQW","short_pith_number":"pith:ZDWR5BGV","canonical_record":{"source":{"id":"1208.3153","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2012-08-15T16:36:14Z","cross_cats_sorted":["cs.CE","q-bio.MN"],"title_canon_sha256":"12c9e009aebedb4faf078853658a837dd0b6912747d8f8f45c95452a664a6ba9","abstract_canon_sha256":"f6ab58986a59be5c13c72ec6b60cc599e71b4370951c00076a332d2f26602445"},"schema_version":"1.0"},"canonical_sha256":"c8ed1e84d5935d686ce611099712a885b38e27e64f48f57aa84b816f63ceec27","source":{"kind":"arxiv","id":"1208.3153","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3153","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3153v2","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3153","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"ZDWR5BGVSNOW","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZDWR5BGVSNOWQ3HG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZDWR5BGV","created_at":"2026-05-18T12:27:30Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ZDWR5BGVSNOWQ3HGCEEZOEVIQW","target":"record","payload":{"canonical_record":{"source":{"id":"1208.3153","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2012-08-15T16:36:14Z","cross_cats_sorted":["cs.CE","q-bio.MN"],"title_canon_sha256":"12c9e009aebedb4faf078853658a837dd0b6912747d8f8f45c95452a664a6ba9","abstract_canon_sha256":"f6ab58986a59be5c13c72ec6b60cc599e71b4370951c00076a332d2f26602445"},"schema_version":"1.0"},"canonical_sha256":"c8ed1e84d5935d686ce611099712a885b38e27e64f48f57aa84b816f63ceec27","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:48:36.569710Z","signature_b64":"1ZSXJVd8TH0uzXLhAhEBv7kaH76cM3vMxB7YeguAN0moGWrGjYkjKlkYRg0PeAn+zNMgRBvVxnOW+nxlBEkABQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c8ed1e84d5935d686ce611099712a885b38e27e64f48f57aa84b816f63ceec27","last_reissued_at":"2026-05-18T03:48:36.569269Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:48:36.569269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1208.3153","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":"2026-05-18T03:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/6WcGqsvWl9vA9lIAfCq4QLhUlHHmCY9MYGktTCDw8P3hqRrzcRhw1utzPxAbDHdVjMlsuM2sW7nguOI2z0bDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:42:16.553765Z"},"content_sha256":"022756686f831926dd6cbe324fd7f89f497173222d74138c8dea5c9c3fd96c81","schema_version":"1.0","event_id":"sha256:022756686f831926dd6cbe324fd7f89f497173222d74138c8dea5c9c3fd96c81"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ZDWR5BGVSNOWQ3HGCEEZOEVIQW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Inferring Chemical Reaction Patterns Using Rule Composition in Graph Grammars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.CE","q-bio.MN"],"primary_cat":"cs.DM","authors_text":"Christoph Flamm, Daniel Merkle, Jakob L. Andersen, Peter F. Stadler","submitted_at":"2012-08-15T16:36:14Z","abstract_excerpt":"Modeling molecules as undirected graphs and chemical reactions as graph rewriting operations is a natural and convenient approach tom odeling chemistry. Graph grammar rules are most naturally employed to model elementary reactions like merging, splitting, and isomerisation of molecules. It is often convenient, in particular in the analysis of larger systems, to summarize several subsequent reactions into a single composite chemical reaction. We use a generic approach for composing graph grammar rules to define a chemically useful rule compositions. We iteratively apply these rule compositions "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3153","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":"2026-05-18T03:48:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PlaFvI1I7dFbnKfJjmhHslMBj3dH0Z5zZRXULSI1OmIxfjGrvEX511hgwR6IUFs3pm0ReaPzxBzugCwNyGQ9Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T22:42:16.554120Z"},"content_sha256":"aeabfc1f30784d539ceebf62cbe3c46beba38991526596ed6661450d07c15f0f","schema_version":"1.0","event_id":"sha256:aeabfc1f30784d539ceebf62cbe3c46beba38991526596ed6661450d07c15f0f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW/bundle.json","state_url":"https://pith.science/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW/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":"2026-06-01T22:42:16Z","links":{"resolver":"https://pith.science/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW","bundle":"https://pith.science/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW/bundle.json","state":"https://pith.science/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZDWR5BGVSNOWQ3HGCEEZOEVIQW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ZDWR5BGVSNOWQ3HGCEEZOEVIQW","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":"f6ab58986a59be5c13c72ec6b60cc599e71b4370951c00076a332d2f26602445","cross_cats_sorted":["cs.CE","q-bio.MN"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2012-08-15T16:36:14Z","title_canon_sha256":"12c9e009aebedb4faf078853658a837dd0b6912747d8f8f45c95452a664a6ba9"},"schema_version":"1.0","source":{"id":"1208.3153","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1208.3153","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"arxiv_version","alias_value":"1208.3153v2","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3153","created_at":"2026-05-18T03:48:36Z"},{"alias_kind":"pith_short_12","alias_value":"ZDWR5BGVSNOW","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_16","alias_value":"ZDWR5BGVSNOWQ3HG","created_at":"2026-05-18T12:27:30Z"},{"alias_kind":"pith_short_8","alias_value":"ZDWR5BGV","created_at":"2026-05-18T12:27:30Z"}],"graph_snapshots":[{"event_id":"sha256:aeabfc1f30784d539ceebf62cbe3c46beba38991526596ed6661450d07c15f0f","target":"graph","created_at":"2026-05-18T03:48:36Z","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":"Modeling molecules as undirected graphs and chemical reactions as graph rewriting operations is a natural and convenient approach tom odeling chemistry. Graph grammar rules are most naturally employed to model elementary reactions like merging, splitting, and isomerisation of molecules. It is often convenient, in particular in the analysis of larger systems, to summarize several subsequent reactions into a single composite chemical reaction. We use a generic approach for composing graph grammar rules to define a chemically useful rule compositions. We iteratively apply these rule compositions ","authors_text":"Christoph Flamm, Daniel Merkle, Jakob L. Andersen, Peter F. Stadler","cross_cats":["cs.CE","q-bio.MN"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2012-08-15T16:36:14Z","title":"Inferring Chemical Reaction Patterns Using Rule Composition in Graph Grammars"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3153","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":"sha256:022756686f831926dd6cbe324fd7f89f497173222d74138c8dea5c9c3fd96c81","target":"record","created_at":"2026-05-18T03:48:36Z","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":"f6ab58986a59be5c13c72ec6b60cc599e71b4370951c00076a332d2f26602445","cross_cats_sorted":["cs.CE","q-bio.MN"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.DM","submitted_at":"2012-08-15T16:36:14Z","title_canon_sha256":"12c9e009aebedb4faf078853658a837dd0b6912747d8f8f45c95452a664a6ba9"},"schema_version":"1.0","source":{"id":"1208.3153","kind":"arxiv","version":2}},"canonical_sha256":"c8ed1e84d5935d686ce611099712a885b38e27e64f48f57aa84b816f63ceec27","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c8ed1e84d5935d686ce611099712a885b38e27e64f48f57aa84b816f63ceec27","first_computed_at":"2026-05-18T03:48:36.569269Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:48:36.569269Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"1ZSXJVd8TH0uzXLhAhEBv7kaH76cM3vMxB7YeguAN0moGWrGjYkjKlkYRg0PeAn+zNMgRBvVxnOW+nxlBEkABQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:48:36.569710Z","signed_message":"canonical_sha256_bytes"},"source_id":"1208.3153","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:022756686f831926dd6cbe324fd7f89f497173222d74138c8dea5c9c3fd96c81","sha256:aeabfc1f30784d539ceebf62cbe3c46beba38991526596ed6661450d07c15f0f"],"state_sha256":"8d121dfe7b12cd5c8aba436eb7c8642ad4783f974f61ddcb26cbee225573579b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nfsWHQzWCLyOKOMvjYCMWqvQwDLkUW6jQkmbpG8PHoisfNQqIahz6F/nCT7E4BjCE9g/BI5XaR3HLyDkTed/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T22:42:16.556157Z","bundle_sha256":"3666d3003fdaedd22e47f4531472df9a790cfdafc02864a458b792af43a741f1"}}