{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:4B7C47A3NEBJYUTI3E46SSO5KV","short_pith_number":"pith:4B7C47A3","canonical_record":{"source":{"id":"0710.4658","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cs.AR","submitted_at":"2007-10-25T08:35:10Z","cross_cats_sorted":["cs.MM"],"title_canon_sha256":"700b6bd82d2e1a61ae6ad28edd552e156314397f22f2c5c77a90fa3e9468eecb","abstract_canon_sha256":"e3fb7e757a742f7e084533db05a0b31106b9173fa7c53a36627bd24b6d2c3a7f"},"schema_version":"1.0"},"canonical_sha256":"e07e2e7c1b69029c5268d939e949dd55765c74e8419c8c903ae25c5d0df4adc1","source":{"kind":"arxiv","id":"0710.4658","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.4658","created_at":"2026-05-18T04:09:06Z"},{"alias_kind":"arxiv_version","alias_value":"0710.4658v1","created_at":"2026-05-18T04:09:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.4658","created_at":"2026-05-18T04:09:06Z"},{"alias_kind":"pith_short_12","alias_value":"4B7C47A3NEBJ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"4B7C47A3NEBJYUTI","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"4B7C47A3","created_at":"2026-05-18T12:25:54Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:4B7C47A3NEBJYUTI3E46SSO5KV","target":"record","payload":{"canonical_record":{"source":{"id":"0710.4658","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cs.AR","submitted_at":"2007-10-25T08:35:10Z","cross_cats_sorted":["cs.MM"],"title_canon_sha256":"700b6bd82d2e1a61ae6ad28edd552e156314397f22f2c5c77a90fa3e9468eecb","abstract_canon_sha256":"e3fb7e757a742f7e084533db05a0b31106b9173fa7c53a36627bd24b6d2c3a7f"},"schema_version":"1.0"},"canonical_sha256":"e07e2e7c1b69029c5268d939e949dd55765c74e8419c8c903ae25c5d0df4adc1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:09:06.112221Z","signature_b64":"2/SgBo4BG3cVqCy5B84Vtb2RBf10z2c5CkYeUBYjDSMOeqTpnngQ5fx5/dXJf/efqBEOYMu9GOv0tuY8IJYOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e07e2e7c1b69029c5268d939e949dd55765c74e8419c8c903ae25c5d0df4adc1","last_reissued_at":"2026-05-18T04:09:06.111759Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:09:06.111759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0710.4658","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":"2026-05-18T04:09:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bl/jhojdUM+sANtZRSbge3A0sEG8VL1oNSTlaZ6rbudjbGUxc70S5B6GWgZS+uAWF/Sw69SggonUMmz2mciIBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T16:11:36.320794Z"},"content_sha256":"26e2d19a528d4f6b6eb882821a0f02250365f28b581da92d39279c959692fad0","schema_version":"1.0","event_id":"sha256:26e2d19a528d4f6b6eb882821a0f02250365f28b581da92d39279c959692fad0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:4B7C47A3NEBJYUTI3E46SSO5KV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Compositional Memory Systems for Multimedia Communicating Tasks","license":"","headline":"","cross_cats":["cs.MM"],"primary_cat":"cs.AR","authors_text":"A. M. Molnos, J. T. J. Van Eijndhoven, M. J. M. Heijligers, S. D. Cotofana","submitted_at":"2007-10-25T08:35:10Z","abstract_excerpt":"Conventional cache models are not suited for real-time parallel processing because tasks may flush each other's data out of the cache in an unpredictable manner. In this way the system is not compositional so the overall performance is difficult to predict and the integration of new tasks expensive. This paper proposes a new method that imposes compositionality to the system?s performance and makes different memory hierarchy optimizations possible for multimedia communicating tasks when running on embedded multiprocessor architectures. The method is based on a cache allocation strategy that as"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.4658","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":"2026-05-18T04:09:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7IBzmI9f5UgcBOqR/LkbIzYsaMfSLvLpf22jaW6cab5Akod7yonyVlunBe3du2UZ8lbYoxN0kaigNrBjppKVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-23T16:11:36.321247Z"},"content_sha256":"58fc5fd839fe178a9a0eb90657995be559a629b10eb530ced8d354e15eb72a26","schema_version":"1.0","event_id":"sha256:58fc5fd839fe178a9a0eb90657995be559a629b10eb530ced8d354e15eb72a26"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4B7C47A3NEBJYUTI3E46SSO5KV/bundle.json","state_url":"https://pith.science/pith/4B7C47A3NEBJYUTI3E46SSO5KV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4B7C47A3NEBJYUTI3E46SSO5KV/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":"2026-08-23T16:11:36Z","links":{"resolver":"https://pith.science/pith/4B7C47A3NEBJYUTI3E46SSO5KV","bundle":"https://pith.science/pith/4B7C47A3NEBJYUTI3E46SSO5KV/bundle.json","state":"https://pith.science/pith/4B7C47A3NEBJYUTI3E46SSO5KV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4B7C47A3NEBJYUTI3E46SSO5KV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:4B7C47A3NEBJYUTI3E46SSO5KV","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":"e3fb7e757a742f7e084533db05a0b31106b9173fa7c53a36627bd24b6d2c3a7f","cross_cats_sorted":["cs.MM"],"license":"","primary_cat":"cs.AR","submitted_at":"2007-10-25T08:35:10Z","title_canon_sha256":"700b6bd82d2e1a61ae6ad28edd552e156314397f22f2c5c77a90fa3e9468eecb"},"schema_version":"1.0","source":{"id":"0710.4658","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0710.4658","created_at":"2026-05-18T04:09:06Z"},{"alias_kind":"arxiv_version","alias_value":"0710.4658v1","created_at":"2026-05-18T04:09:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0710.4658","created_at":"2026-05-18T04:09:06Z"},{"alias_kind":"pith_short_12","alias_value":"4B7C47A3NEBJ","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_16","alias_value":"4B7C47A3NEBJYUTI","created_at":"2026-05-18T12:25:54Z"},{"alias_kind":"pith_short_8","alias_value":"4B7C47A3","created_at":"2026-05-18T12:25:54Z"}],"graph_snapshots":[{"event_id":"sha256:58fc5fd839fe178a9a0eb90657995be559a629b10eb530ced8d354e15eb72a26","target":"graph","created_at":"2026-05-18T04:09:06Z","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":"Conventional cache models are not suited for real-time parallel processing because tasks may flush each other's data out of the cache in an unpredictable manner. In this way the system is not compositional so the overall performance is difficult to predict and the integration of new tasks expensive. This paper proposes a new method that imposes compositionality to the system?s performance and makes different memory hierarchy optimizations possible for multimedia communicating tasks when running on embedded multiprocessor architectures. The method is based on a cache allocation strategy that as","authors_text":"A. M. Molnos, J. T. J. Van Eijndhoven, M. J. M. Heijligers, S. D. Cotofana","cross_cats":["cs.MM"],"headline":"","license":"","primary_cat":"cs.AR","submitted_at":"2007-10-25T08:35:10Z","title":"Compositional Memory Systems for Multimedia Communicating Tasks"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0710.4658","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":"sha256:26e2d19a528d4f6b6eb882821a0f02250365f28b581da92d39279c959692fad0","target":"record","created_at":"2026-05-18T04:09:06Z","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":"e3fb7e757a742f7e084533db05a0b31106b9173fa7c53a36627bd24b6d2c3a7f","cross_cats_sorted":["cs.MM"],"license":"","primary_cat":"cs.AR","submitted_at":"2007-10-25T08:35:10Z","title_canon_sha256":"700b6bd82d2e1a61ae6ad28edd552e156314397f22f2c5c77a90fa3e9468eecb"},"schema_version":"1.0","source":{"id":"0710.4658","kind":"arxiv","version":1}},"canonical_sha256":"e07e2e7c1b69029c5268d939e949dd55765c74e8419c8c903ae25c5d0df4adc1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e07e2e7c1b69029c5268d939e949dd55765c74e8419c8c903ae25c5d0df4adc1","first_computed_at":"2026-05-18T04:09:06.111759Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:09:06.111759Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2/SgBo4BG3cVqCy5B84Vtb2RBf10z2c5CkYeUBYjDSMOeqTpnngQ5fx5/dXJf/efqBEOYMu9GOv0tuY8IJYOBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:09:06.112221Z","signed_message":"canonical_sha256_bytes"},"source_id":"0710.4658","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:26e2d19a528d4f6b6eb882821a0f02250365f28b581da92d39279c959692fad0","sha256:58fc5fd839fe178a9a0eb90657995be559a629b10eb530ced8d354e15eb72a26"],"state_sha256":"e61b656228ccbf13089b4dede9b8b86f86a9c60444fbf29026a923da2928d74f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QH4K8V5AH6j3W5eKSnYAOt6e8Lvi3CAt7+cxX15SGxFmltF6dIRCeX+UxfEPt4SPB6dzs70PGXN7QNBvTuHOAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-23T16:11:36.326174Z","bundle_sha256":"8df40bbf5882c49b0587d795497353bc5280c4b2810c827d314badfbf50f5286"}}