{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:7TKDAT2Z6CMH6VBRSX5B2GFCZ5","short_pith_number":"pith:7TKDAT2Z","canonical_record":{"source":{"id":"1311.6453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2013-11-25T20:42:33Z","cross_cats_sorted":[],"title_canon_sha256":"2576fcdb894e74fbddcd40d00c9ca6942a99a9987a0cdad95b513b04b4c63dcb","abstract_canon_sha256":"89854287b51d34ebf4cc3c71fa9c8dea6f7d98c85ed8114495f8c7aa54e53c2f"},"schema_version":"1.0"},"canonical_sha256":"fcd4304f59f0987f543195fa1d18a2cf691d84cfd429343258f2c5c3b26c8b7c","source":{"kind":"arxiv","id":"1311.6453","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6453","created_at":"2026-05-18T03:06:14Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6453v1","created_at":"2026-05-18T03:06:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6453","created_at":"2026-05-18T03:06:14Z"},{"alias_kind":"pith_short_12","alias_value":"7TKDAT2Z6CMH","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7TKDAT2Z6CMH6VBR","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7TKDAT2Z","created_at":"2026-05-18T12:27:36Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:7TKDAT2Z6CMH6VBRSX5B2GFCZ5","target":"record","payload":{"canonical_record":{"source":{"id":"1311.6453","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2013-11-25T20:42:33Z","cross_cats_sorted":[],"title_canon_sha256":"2576fcdb894e74fbddcd40d00c9ca6942a99a9987a0cdad95b513b04b4c63dcb","abstract_canon_sha256":"89854287b51d34ebf4cc3c71fa9c8dea6f7d98c85ed8114495f8c7aa54e53c2f"},"schema_version":"1.0"},"canonical_sha256":"fcd4304f59f0987f543195fa1d18a2cf691d84cfd429343258f2c5c3b26c8b7c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:06:14.064517Z","signature_b64":"IAmC6qmzgW8wqo9/yBMg+u9j3fuX5orTKo8HYc3FAUYF/FmnAaFO9MOskolPJ3WvaozNeVpUX6gSz+meyecxDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fcd4304f59f0987f543195fa1d18a2cf691d84cfd429343258f2c5c3b26c8b7c","last_reissued_at":"2026-05-18T03:06:14.064124Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:06:14.064124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1311.6453","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":"2026-05-18T03:06:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pkBxL570fZY7dzBLCgG/ZDJybSTTHRzQu99T+ekF3xShYGyNxbitmccJY1ptcUa5F7qOpIy9l8zC7uUX37j6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:58:33.492763Z"},"content_sha256":"7a86c0374e461f3eb46264f4d8af9798efc91399bc4f93ff4f332c9ae19706f6","schema_version":"1.0","event_id":"sha256:7a86c0374e461f3eb46264f4d8af9798efc91399bc4f93ff4f332c9ae19706f6"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:7TKDAT2Z6CMH6VBRSX5B2GFCZ5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Rate Adaptation and Admission Control for Video Transmission with Subjective Quality Constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cs.MM","authors_text":"Alan C. Bovik, Chao Chen, Gustavo de Veciana, Robert W. Heath Jr, Xiaoqing Zhu","submitted_at":"2013-11-25T20:42:33Z","abstract_excerpt":"Adapting video data rate during streaming can effectively reduce the risk of playback interruptions caused by channel throughput fluctuations. The variations in rate, however, also introduce video quality fluctuations and thus potentially affects viewers' Quality of Experience (QoE). We show how the QoE of video users can be improved by rate adaptation and admission control. We conducted a subjective study wherein we found that viewers' QoE was strongly correlated with the empirical cumulative distribution function (eCDF) of the predicted video quality. Based on this observation, we propose a "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6453","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":"2026-05-18T03:06:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jnroLHRLiDjJvTyKxdSVi/W7qBCyMLTj3m0cJm1NL4EKHACWtXBvHXlhdBoZxM+zh02ll0dzmxRGaJyfG5fbAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T00:58:33.493537Z"},"content_sha256":"55d8b12869701e5316fd5b700897e255ae0da71108708f9b01446239a448eb02","schema_version":"1.0","event_id":"sha256:55d8b12869701e5316fd5b700897e255ae0da71108708f9b01446239a448eb02"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5/bundle.json","state_url":"https://pith.science/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5/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":"2026-06-01T00:58:33Z","links":{"resolver":"https://pith.science/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5","bundle":"https://pith.science/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5/bundle.json","state":"https://pith.science/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7TKDAT2Z6CMH6VBRSX5B2GFCZ5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:7TKDAT2Z6CMH6VBRSX5B2GFCZ5","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":"89854287b51d34ebf4cc3c71fa9c8dea6f7d98c85ed8114495f8c7aa54e53c2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2013-11-25T20:42:33Z","title_canon_sha256":"2576fcdb894e74fbddcd40d00c9ca6942a99a9987a0cdad95b513b04b4c63dcb"},"schema_version":"1.0","source":{"id":"1311.6453","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1311.6453","created_at":"2026-05-18T03:06:14Z"},{"alias_kind":"arxiv_version","alias_value":"1311.6453v1","created_at":"2026-05-18T03:06:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1311.6453","created_at":"2026-05-18T03:06:14Z"},{"alias_kind":"pith_short_12","alias_value":"7TKDAT2Z6CMH","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_16","alias_value":"7TKDAT2Z6CMH6VBR","created_at":"2026-05-18T12:27:36Z"},{"alias_kind":"pith_short_8","alias_value":"7TKDAT2Z","created_at":"2026-05-18T12:27:36Z"}],"graph_snapshots":[{"event_id":"sha256:55d8b12869701e5316fd5b700897e255ae0da71108708f9b01446239a448eb02","target":"graph","created_at":"2026-05-18T03:06:14Z","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":"Adapting video data rate during streaming can effectively reduce the risk of playback interruptions caused by channel throughput fluctuations. The variations in rate, however, also introduce video quality fluctuations and thus potentially affects viewers' Quality of Experience (QoE). We show how the QoE of video users can be improved by rate adaptation and admission control. We conducted a subjective study wherein we found that viewers' QoE was strongly correlated with the empirical cumulative distribution function (eCDF) of the predicted video quality. Based on this observation, we propose a ","authors_text":"Alan C. Bovik, Chao Chen, Gustavo de Veciana, Robert W. Heath Jr, Xiaoqing Zhu","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2013-11-25T20:42:33Z","title":"Rate Adaptation and Admission Control for Video Transmission with Subjective Quality Constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1311.6453","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":"sha256:7a86c0374e461f3eb46264f4d8af9798efc91399bc4f93ff4f332c9ae19706f6","target":"record","created_at":"2026-05-18T03:06:14Z","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":"89854287b51d34ebf4cc3c71fa9c8dea6f7d98c85ed8114495f8c7aa54e53c2f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.MM","submitted_at":"2013-11-25T20:42:33Z","title_canon_sha256":"2576fcdb894e74fbddcd40d00c9ca6942a99a9987a0cdad95b513b04b4c63dcb"},"schema_version":"1.0","source":{"id":"1311.6453","kind":"arxiv","version":1}},"canonical_sha256":"fcd4304f59f0987f543195fa1d18a2cf691d84cfd429343258f2c5c3b26c8b7c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fcd4304f59f0987f543195fa1d18a2cf691d84cfd429343258f2c5c3b26c8b7c","first_computed_at":"2026-05-18T03:06:14.064124Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:06:14.064124Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IAmC6qmzgW8wqo9/yBMg+u9j3fuX5orTKo8HYc3FAUYF/FmnAaFO9MOskolPJ3WvaozNeVpUX6gSz+meyecxDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:06:14.064517Z","signed_message":"canonical_sha256_bytes"},"source_id":"1311.6453","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7a86c0374e461f3eb46264f4d8af9798efc91399bc4f93ff4f332c9ae19706f6","sha256:55d8b12869701e5316fd5b700897e255ae0da71108708f9b01446239a448eb02"],"state_sha256":"4fb7ff0c0c9d43116e55059484d0f8eb81d66bc286567ab1072367d62a0b2894"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lqtRvaNunyKOJVNtszAmHoFDuzgXpdPJvGxc+1yu3mxPV56On/DJInBPomE78dktmtLMpSoNZcGpm77Nt3+TCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T00:58:33.498076Z","bundle_sha256":"1bb50188329cdf7437843bf873f25fe3daf249b480e52a3f227d6230304919ff"}}