{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:VJA4ZSJRYFM3XN6S3KRI6RFTHX","short_pith_number":"pith:VJA4ZSJR","canonical_record":{"source":{"id":"1807.01147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-30T10:24:28Z","cross_cats_sorted":["cs.DC","cs.MM","cs.SY"],"title_canon_sha256":"53f9e554f2c763b06b7b652058200e7cd1eaae1fa31420b85cdd40213e58a0b2","abstract_canon_sha256":"c588fb2bd7210f239731b469ba45d4246e425d5532d1fd5eab01fe6ed1109acf"},"schema_version":"1.0"},"canonical_sha256":"aa41ccc931c159bbb7d2daa28f44b33dfabe4ad1f5deca8a750b54096c47ea2e","source":{"kind":"arxiv","id":"1807.01147","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01147","created_at":"2026-05-18T00:11:45Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01147v1","created_at":"2026-05-18T00:11:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01147","created_at":"2026-05-18T00:11:45Z"},{"alias_kind":"pith_short_12","alias_value":"VJA4ZSJRYFM3","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VJA4ZSJRYFM3XN6S","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VJA4ZSJR","created_at":"2026-05-18T12:32:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:VJA4ZSJRYFM3XN6S3KRI6RFTHX","target":"record","payload":{"canonical_record":{"source":{"id":"1807.01147","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-30T10:24:28Z","cross_cats_sorted":["cs.DC","cs.MM","cs.SY"],"title_canon_sha256":"53f9e554f2c763b06b7b652058200e7cd1eaae1fa31420b85cdd40213e58a0b2","abstract_canon_sha256":"c588fb2bd7210f239731b469ba45d4246e425d5532d1fd5eab01fe6ed1109acf"},"schema_version":"1.0"},"canonical_sha256":"aa41ccc931c159bbb7d2daa28f44b33dfabe4ad1f5deca8a750b54096c47ea2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:11:45.153491Z","signature_b64":"fFblKobEZ0lpGtRMbK5DrK7n8+H/5ZAg01y7j8r10NKQVqXdYwFM+Wu1d2RJZeAbeJN93oroXGIgHn6tF2spAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"aa41ccc931c159bbb7d2daa28f44b33dfabe4ad1f5deca8a750b54096c47ea2e","last_reissued_at":"2026-05-18T00:11:45.152953Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:11:45.152953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1807.01147","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":"2026-05-18T00:11:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IgRgn/kFw/K+OPkWxzV8te7GFyiqQO7Rm+JUAJN8VrPKZCK+Q/MwmPt+hke/Jin0mUJ+b6IEXznbPtpEdtYQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:25:35.838552Z"},"content_sha256":"6779d9c7c3852d008cf47968f8c007d62087348add329936b83b7f5778526f91","schema_version":"1.0","event_id":"sha256:6779d9c7c3852d008cf47968f8c007d62087348add329936b83b7f5778526f91"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:VJA4ZSJRYFM3XN6S3KRI6RFTHX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"FastTrack: Minimizing Stalls for CDN-based Over-the-top Video Streaming Systems","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cs.DC","cs.MM","cs.SY"],"primary_cat":"cs.NI","authors_text":"Abubakr Alabbasi, Moo-Ryong Ra, Tian Lan, Vaneet Aggarwal, Yih-Farn R. Chen, Yu Xiang","submitted_at":"2018-06-30T10:24:28Z","abstract_excerpt":"Traffic for internet video streaming has been rapidly increasing and is further expected to increase with the higher definition videos and IoT applications, such as 360 degree videos and augmented virtual reality applications. While efficient management of heterogeneous cloud resources to optimize the quality of experience is important, existing work in this problem space often left out important factors. In this paper, we present a model for describing a today's representative system architecture for video streaming applications, typically composed of a centralized origin server and several C"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01147","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":"2026-05-18T00:11:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TbeWIXbESZImL54V3cIFvkFIURaM+MndQEAqTakJH62HJ8gEgTqAfu1ZQiVuNH7Df6z+kUOkBoD/u76+yLJOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T20:25:35.839198Z"},"content_sha256":"23e52af4779a8bf15ca08a03a8deafeac8a6f3bdcad9fb94d0e66b9989ce5937","schema_version":"1.0","event_id":"sha256:23e52af4779a8bf15ca08a03a8deafeac8a6f3bdcad9fb94d0e66b9989ce5937"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX/bundle.json","state_url":"https://pith.science/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX/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":"2026-05-26T20:25:35Z","links":{"resolver":"https://pith.science/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX","bundle":"https://pith.science/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX/bundle.json","state":"https://pith.science/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VJA4ZSJRYFM3XN6S3KRI6RFTHX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:VJA4ZSJRYFM3XN6S3KRI6RFTHX","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":"c588fb2bd7210f239731b469ba45d4246e425d5532d1fd5eab01fe6ed1109acf","cross_cats_sorted":["cs.DC","cs.MM","cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-30T10:24:28Z","title_canon_sha256":"53f9e554f2c763b06b7b652058200e7cd1eaae1fa31420b85cdd40213e58a0b2"},"schema_version":"1.0","source":{"id":"1807.01147","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1807.01147","created_at":"2026-05-18T00:11:45Z"},{"alias_kind":"arxiv_version","alias_value":"1807.01147v1","created_at":"2026-05-18T00:11:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1807.01147","created_at":"2026-05-18T00:11:45Z"},{"alias_kind":"pith_short_12","alias_value":"VJA4ZSJRYFM3","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_16","alias_value":"VJA4ZSJRYFM3XN6S","created_at":"2026-05-18T12:32:59Z"},{"alias_kind":"pith_short_8","alias_value":"VJA4ZSJR","created_at":"2026-05-18T12:32:59Z"}],"graph_snapshots":[{"event_id":"sha256:23e52af4779a8bf15ca08a03a8deafeac8a6f3bdcad9fb94d0e66b9989ce5937","target":"graph","created_at":"2026-05-18T00:11:45Z","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":"Traffic for internet video streaming has been rapidly increasing and is further expected to increase with the higher definition videos and IoT applications, such as 360 degree videos and augmented virtual reality applications. While efficient management of heterogeneous cloud resources to optimize the quality of experience is important, existing work in this problem space often left out important factors. In this paper, we present a model for describing a today's representative system architecture for video streaming applications, typically composed of a centralized origin server and several C","authors_text":"Abubakr Alabbasi, Moo-Ryong Ra, Tian Lan, Vaneet Aggarwal, Yih-Farn R. Chen, Yu Xiang","cross_cats":["cs.DC","cs.MM","cs.SY"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-30T10:24:28Z","title":"FastTrack: Minimizing Stalls for CDN-based Over-the-top Video Streaming Systems"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1807.01147","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":"sha256:6779d9c7c3852d008cf47968f8c007d62087348add329936b83b7f5778526f91","target":"record","created_at":"2026-05-18T00:11:45Z","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":"c588fb2bd7210f239731b469ba45d4246e425d5532d1fd5eab01fe6ed1109acf","cross_cats_sorted":["cs.DC","cs.MM","cs.SY"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cs.NI","submitted_at":"2018-06-30T10:24:28Z","title_canon_sha256":"53f9e554f2c763b06b7b652058200e7cd1eaae1fa31420b85cdd40213e58a0b2"},"schema_version":"1.0","source":{"id":"1807.01147","kind":"arxiv","version":1}},"canonical_sha256":"aa41ccc931c159bbb7d2daa28f44b33dfabe4ad1f5deca8a750b54096c47ea2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"aa41ccc931c159bbb7d2daa28f44b33dfabe4ad1f5deca8a750b54096c47ea2e","first_computed_at":"2026-05-18T00:11:45.152953Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:11:45.152953Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fFblKobEZ0lpGtRMbK5DrK7n8+H/5ZAg01y7j8r10NKQVqXdYwFM+Wu1d2RJZeAbeJN93oroXGIgHn6tF2spAA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:11:45.153491Z","signed_message":"canonical_sha256_bytes"},"source_id":"1807.01147","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6779d9c7c3852d008cf47968f8c007d62087348add329936b83b7f5778526f91","sha256:23e52af4779a8bf15ca08a03a8deafeac8a6f3bdcad9fb94d0e66b9989ce5937"],"state_sha256":"bdf475b403df0f07835ba9bd316b662151a3c6510b3fb69f5a9b81062a463909"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9/0yTiG0ZozfCZqJTKxBr3Fu5Yly9Bi+ULvMcJxccbp36PPveLINNxf3mWwY8aRUw4/djJctmgLgPzWVdi3pDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T20:25:35.842477Z","bundle_sha256":"fc57c427471bfc8c1a078dc12c911aed20803547578417c0d2dd5de7ff987da8"}}