{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:BCPK5I2POXE2XBPBNRTBN3EXSV","short_pith_number":"pith:BCPK5I2P","canonical_record":{"source":{"id":"1106.1311","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2011-06-07T10:34:53Z","cross_cats_sorted":[],"title_canon_sha256":"38263a8ae41506cbd7bb6776512b1927ea2bbb33391a9c1d8b02afff3c4d2d73","abstract_canon_sha256":"c2a0ee76aa5cc7049c28ef97191df6e64c50ce1e9564e41954756effb2a37347"},"schema_version":"1.0"},"canonical_sha256":"089eaea34f75c9ab85e16c6616ec979560b22e1cfe68b39704e943863933a6cb","source":{"kind":"arxiv","id":"1106.1311","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1311","created_at":"2026-05-18T04:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1311v2","created_at":"2026-05-18T04:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1311","created_at":"2026-05-18T04:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"BCPK5I2POXE2","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BCPK5I2POXE2XBPB","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BCPK5I2P","created_at":"2026-05-18T12:26:24Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:BCPK5I2POXE2XBPBNRTBN3EXSV","target":"record","payload":{"canonical_record":{"source":{"id":"1106.1311","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2011-06-07T10:34:53Z","cross_cats_sorted":[],"title_canon_sha256":"38263a8ae41506cbd7bb6776512b1927ea2bbb33391a9c1d8b02afff3c4d2d73","abstract_canon_sha256":"c2a0ee76aa5cc7049c28ef97191df6e64c50ce1e9564e41954756effb2a37347"},"schema_version":"1.0"},"canonical_sha256":"089eaea34f75c9ab85e16c6616ec979560b22e1cfe68b39704e943863933a6cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:19:04.096649Z","signature_b64":"YRXZu835PLmpBhf/Lcn6ADoscR9dtDNjTP27z/f9Lsl8Ab0eh8KcAdrXXlQqiQYTY2tYS/+aKlLwKrQYthmKCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"089eaea34f75c9ab85e16c6616ec979560b22e1cfe68b39704e943863933a6cb","last_reissued_at":"2026-05-18T04:19:04.096120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:19:04.096120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1106.1311","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":"2026-05-18T04:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ehOdJntwvSCZO+X0MlxMs0LdvWd/OwvL9HM2JZXWV1bkqYDvViG74iTjlSeQr2q8o68vfqh9mZSXIbc0q+RqCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:51:19.965350Z"},"content_sha256":"2813d425deeb3c8d4f699a8e7f9b5ffb2a6649ccc376b1cb7ab30f9f57270bda","schema_version":"1.0","event_id":"sha256:2813d425deeb3c8d4f699a8e7f9b5ffb2a6649ccc376b1cb7ab30f9f57270bda"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:BCPK5I2POXE2XBPBNRTBN3EXSV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Representation Sharing for Prolog","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.PL","authors_text":"Bart Demoen, Phuong-Lan Nguyen","submitted_at":"2011-06-07T10:34:53Z","abstract_excerpt":"Representation sharing can reduce the memory footprint of a program by sharing one representation between duplicate terms. The most common implementation of representation sharing in functional programming systems is known as hash-consing. In the context of Prolog, representation sharing has been given little attention. Some current techniques that deal with representation sharing are reviewed. The new contributions are: (1) an easy implementation of {\\em input sharing} for {\\em findall/3}; (2) a description of a {\\em sharer} module that introduces representation sharing at runtime. Their real"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1311","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":"2026-05-18T04:19:04Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U5ytw4QD1J1HBta6iFEbpM1wwLQuIAP8m743lVs9F6DGuJCySaXgMsdWgCoy7LoSuwm3nmljrnrgCmAnFcmdDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T07:51:19.965705Z"},"content_sha256":"b22573da291cb3802d0e49529c561b3476a979dcfeafeba7e4fce81f3be71a6a","schema_version":"1.0","event_id":"sha256:b22573da291cb3802d0e49529c561b3476a979dcfeafeba7e4fce81f3be71a6a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/BCPK5I2POXE2XBPBNRTBN3EXSV/bundle.json","state_url":"https://pith.science/pith/BCPK5I2POXE2XBPBNRTBN3EXSV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/BCPK5I2POXE2XBPBNRTBN3EXSV/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":"2026-05-28T07:51:19Z","links":{"resolver":"https://pith.science/pith/BCPK5I2POXE2XBPBNRTBN3EXSV","bundle":"https://pith.science/pith/BCPK5I2POXE2XBPBNRTBN3EXSV/bundle.json","state":"https://pith.science/pith/BCPK5I2POXE2XBPBNRTBN3EXSV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/BCPK5I2POXE2XBPBNRTBN3EXSV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:BCPK5I2POXE2XBPBNRTBN3EXSV","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":"c2a0ee76aa5cc7049c28ef97191df6e64c50ce1e9564e41954756effb2a37347","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2011-06-07T10:34:53Z","title_canon_sha256":"38263a8ae41506cbd7bb6776512b1927ea2bbb33391a9c1d8b02afff3c4d2d73"},"schema_version":"1.0","source":{"id":"1106.1311","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1106.1311","created_at":"2026-05-18T04:19:04Z"},{"alias_kind":"arxiv_version","alias_value":"1106.1311v2","created_at":"2026-05-18T04:19:04Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1106.1311","created_at":"2026-05-18T04:19:04Z"},{"alias_kind":"pith_short_12","alias_value":"BCPK5I2POXE2","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_16","alias_value":"BCPK5I2POXE2XBPB","created_at":"2026-05-18T12:26:24Z"},{"alias_kind":"pith_short_8","alias_value":"BCPK5I2P","created_at":"2026-05-18T12:26:24Z"}],"graph_snapshots":[{"event_id":"sha256:b22573da291cb3802d0e49529c561b3476a979dcfeafeba7e4fce81f3be71a6a","target":"graph","created_at":"2026-05-18T04:19:04Z","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":"Representation sharing can reduce the memory footprint of a program by sharing one representation between duplicate terms. The most common implementation of representation sharing in functional programming systems is known as hash-consing. In the context of Prolog, representation sharing has been given little attention. Some current techniques that deal with representation sharing are reviewed. The new contributions are: (1) an easy implementation of {\\em input sharing} for {\\em findall/3}; (2) a description of a {\\em sharer} module that introduces representation sharing at runtime. Their real","authors_text":"Bart Demoen, Phuong-Lan Nguyen","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2011-06-07T10:34:53Z","title":"Representation Sharing for Prolog"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1106.1311","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":"sha256:2813d425deeb3c8d4f699a8e7f9b5ffb2a6649ccc376b1cb7ab30f9f57270bda","target":"record","created_at":"2026-05-18T04:19:04Z","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":"c2a0ee76aa5cc7049c28ef97191df6e64c50ce1e9564e41954756effb2a37347","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.PL","submitted_at":"2011-06-07T10:34:53Z","title_canon_sha256":"38263a8ae41506cbd7bb6776512b1927ea2bbb33391a9c1d8b02afff3c4d2d73"},"schema_version":"1.0","source":{"id":"1106.1311","kind":"arxiv","version":2}},"canonical_sha256":"089eaea34f75c9ab85e16c6616ec979560b22e1cfe68b39704e943863933a6cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"089eaea34f75c9ab85e16c6616ec979560b22e1cfe68b39704e943863933a6cb","first_computed_at":"2026-05-18T04:19:04.096120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:19:04.096120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YRXZu835PLmpBhf/Lcn6ADoscR9dtDNjTP27z/f9Lsl8Ab0eh8KcAdrXXlQqiQYTY2tYS/+aKlLwKrQYthmKCA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:19:04.096649Z","signed_message":"canonical_sha256_bytes"},"source_id":"1106.1311","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2813d425deeb3c8d4f699a8e7f9b5ffb2a6649ccc376b1cb7ab30f9f57270bda","sha256:b22573da291cb3802d0e49529c561b3476a979dcfeafeba7e4fce81f3be71a6a"],"state_sha256":"32c1d1a30fee50d3b2b02752f54da078edb79a2944e6545ea7d02220bb2a98a1"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kO4DK/nqFvVzKuggNT6hAJWR10QfjDDmer4wN4PZO1U0TFhW3G6P0EjqjQon8WJZwak2EILg+SmyO9OKYvFVBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T07:51:19.967918Z","bundle_sha256":"ae97433b3c79f3c9041c1a5d396feed0b1d7c5bc62ad9e48faae8128a2259714"}}