{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:3RC2ADTWBWDORT7V4GUSSN2SD4","short_pith_number":"pith:3RC2ADTW","canonical_record":{"source":{"id":"1309.7584","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2013-09-29T12:23:04Z","cross_cats_sorted":["cs.PL"],"title_canon_sha256":"f66b2f0e9c7aa22448dd6825521464769af35f5fb61de36ac13eb198e0de97b9","abstract_canon_sha256":"969145112af064c92b5daedaa9379d1af8f694070b53672723fccedd7702d20c"},"schema_version":"1.0"},"canonical_sha256":"dc45a00e760d86e8cff5e1a92937521f26ed28f1af7ffbc0dd6616b4c289ac47","source":{"kind":"arxiv","id":"1309.7584","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7584","created_at":"2026-05-18T03:11:56Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7584v1","created_at":"2026-05-18T03:11:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7584","created_at":"2026-05-18T03:11:56Z"},{"alias_kind":"pith_short_12","alias_value":"3RC2ADTWBWDO","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3RC2ADTWBWDORT7V","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3RC2ADTW","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:3RC2ADTWBWDORT7V4GUSSN2SD4","target":"record","payload":{"canonical_record":{"source":{"id":"1309.7584","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2013-09-29T12:23:04Z","cross_cats_sorted":["cs.PL"],"title_canon_sha256":"f66b2f0e9c7aa22448dd6825521464769af35f5fb61de36ac13eb198e0de97b9","abstract_canon_sha256":"969145112af064c92b5daedaa9379d1af8f694070b53672723fccedd7702d20c"},"schema_version":"1.0"},"canonical_sha256":"dc45a00e760d86e8cff5e1a92937521f26ed28f1af7ffbc0dd6616b4c289ac47","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:11:56.494337Z","signature_b64":"EpIcLHOrz0d/MiB0ZCIK8nxgVvZyz4GWn+y3+m+DTrbK5xiNcqj6sORWrH/pR6luYP5BM4aa0iLjep/SeQJgBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"dc45a00e760d86e8cff5e1a92937521f26ed28f1af7ffbc0dd6616b4c289ac47","last_reissued_at":"2026-05-18T03:11:56.493699Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:11:56.493699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.7584","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":"2026-05-18T03:11:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"J8bgPDKb8s35mF8koC1LwT5wTnytmjRfj8tCF81OMOa+4QVztMUx8Okpzlgy7ZMHdHm2QfTHt+bx6N93Dh1vCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T06:57:15.201987Z"},"content_sha256":"2eb13934cb86de55a72762cd2d7020a2e159a865ccaf00345f79f1a95f6a23c3","schema_version":"1.0","event_id":"sha256:2eb13934cb86de55a72762cd2d7020a2e159a865ccaf00345f79f1a95f6a23c3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:3RC2ADTWBWDORT7V4GUSSN2SD4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Parsing methods streamlined","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.PL"],"primary_cat":"cs.FL","authors_text":"Angelo Morzenti, Luca Breveglieri, Stefano Crespi Reghizzi","submitted_at":"2013-09-29T12:23:04Z","abstract_excerpt":"This paper has the goals (1) of unifying top-down parsing with shift-reduce parsing to yield a single simple and consistent framework, and (2) of producing provably correct parsing methods, deterministic as well as tabular ones, for extended context-free grammars (EBNF) represented as state-transition networks. Departing from the traditional way of presenting as independent algorithms the deterministic bottom-up LR(1), the top-down LL(1) and the general tabular (Earley) parsers, we unify them in a coherent minimalist framework. We present a simple general construction method for EBNF ELR(1) pa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7584","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":"2026-05-18T03:11:56Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"I6hKOW9GCf/tlO3gQJkN3GgCYQe/W32WrbPKgBZlakPj7/p5ukxB3Ok3/ofKkwVpCOQ8lAFcVBfad0UXsup7BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-24T06:57:15.202365Z"},"content_sha256":"b878ceb6d76ccc1f503237d9e8ead772afbe9826618fa09b517ae583ae23afd5","schema_version":"1.0","event_id":"sha256:b878ceb6d76ccc1f503237d9e8ead772afbe9826618fa09b517ae583ae23afd5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3RC2ADTWBWDORT7V4GUSSN2SD4/bundle.json","state_url":"https://pith.science/pith/3RC2ADTWBWDORT7V4GUSSN2SD4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3RC2ADTWBWDORT7V4GUSSN2SD4/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":"2026-06-24T06:57:15Z","links":{"resolver":"https://pith.science/pith/3RC2ADTWBWDORT7V4GUSSN2SD4","bundle":"https://pith.science/pith/3RC2ADTWBWDORT7V4GUSSN2SD4/bundle.json","state":"https://pith.science/pith/3RC2ADTWBWDORT7V4GUSSN2SD4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3RC2ADTWBWDORT7V4GUSSN2SD4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:3RC2ADTWBWDORT7V4GUSSN2SD4","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":"969145112af064c92b5daedaa9379d1af8f694070b53672723fccedd7702d20c","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2013-09-29T12:23:04Z","title_canon_sha256":"f66b2f0e9c7aa22448dd6825521464769af35f5fb61de36ac13eb198e0de97b9"},"schema_version":"1.0","source":{"id":"1309.7584","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.7584","created_at":"2026-05-18T03:11:56Z"},{"alias_kind":"arxiv_version","alias_value":"1309.7584v1","created_at":"2026-05-18T03:11:56Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.7584","created_at":"2026-05-18T03:11:56Z"},{"alias_kind":"pith_short_12","alias_value":"3RC2ADTWBWDO","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"3RC2ADTWBWDORT7V","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"3RC2ADTW","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:b878ceb6d76ccc1f503237d9e8ead772afbe9826618fa09b517ae583ae23afd5","target":"graph","created_at":"2026-05-18T03:11:56Z","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":"This paper has the goals (1) of unifying top-down parsing with shift-reduce parsing to yield a single simple and consistent framework, and (2) of producing provably correct parsing methods, deterministic as well as tabular ones, for extended context-free grammars (EBNF) represented as state-transition networks. Departing from the traditional way of presenting as independent algorithms the deterministic bottom-up LR(1), the top-down LL(1) and the general tabular (Earley) parsers, we unify them in a coherent minimalist framework. We present a simple general construction method for EBNF ELR(1) pa","authors_text":"Angelo Morzenti, Luca Breveglieri, Stefano Crespi Reghizzi","cross_cats":["cs.PL"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2013-09-29T12:23:04Z","title":"Parsing methods streamlined"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.7584","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":"sha256:2eb13934cb86de55a72762cd2d7020a2e159a865ccaf00345f79f1a95f6a23c3","target":"record","created_at":"2026-05-18T03:11:56Z","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":"969145112af064c92b5daedaa9379d1af8f694070b53672723fccedd7702d20c","cross_cats_sorted":["cs.PL"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.FL","submitted_at":"2013-09-29T12:23:04Z","title_canon_sha256":"f66b2f0e9c7aa22448dd6825521464769af35f5fb61de36ac13eb198e0de97b9"},"schema_version":"1.0","source":{"id":"1309.7584","kind":"arxiv","version":1}},"canonical_sha256":"dc45a00e760d86e8cff5e1a92937521f26ed28f1af7ffbc0dd6616b4c289ac47","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"dc45a00e760d86e8cff5e1a92937521f26ed28f1af7ffbc0dd6616b4c289ac47","first_computed_at":"2026-05-18T03:11:56.493699Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:11:56.493699Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EpIcLHOrz0d/MiB0ZCIK8nxgVvZyz4GWn+y3+m+DTrbK5xiNcqj6sORWrH/pR6luYP5BM4aa0iLjep/SeQJgBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:11:56.494337Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.7584","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2eb13934cb86de55a72762cd2d7020a2e159a865ccaf00345f79f1a95f6a23c3","sha256:b878ceb6d76ccc1f503237d9e8ead772afbe9826618fa09b517ae583ae23afd5"],"state_sha256":"38f395bb8c5936de0b7ed132a2617d962c30efb79ca4a1a5dd82adeed90ff3fc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Z62J+BF4gzDHUgPSboFbdZY81o0yzACRgXzDCf0y3PM7uEXzOIIm5JWFrNWlVj+6nX0l8AFDvt/VnrTzkMgSBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-24T06:57:15.204350Z","bundle_sha256":"2f2b75a6ec18a2525d8543636302c41038aacbeaa5de38a993566ca05671e92a"}}