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wai.video.stitched_presentation (extensions/stitched-presentation.md): a WPS1 claim names an ad by the marker the stream carries for it (an EXT-X-DATERANGE tag, an interstitial's asset, a DASH event) in the manifest it states the SHA-256 of; a WPI1 pod-input record, signed by the stitcher or a proxy in front of the ad server, binds the response digest, the chosen ads, their creatives and prices, the avail, the frame and the measurement terms; a verifier recomputes each ad's presentations, quartiles and the spend that counts by currency. A form-1 wai.video.ssai receipt gains a JSON carriage (its signed bytes unchanged) so it can be a record's response. live-compose gains the squeeze and double-box ad frames (§5.9). Corpus live-conformance/stitched/, its independent verifier stitched_presentation_verify.py, and the browser producer web/ads/stitched.js with tests against the corpus. Co-Authored-By: Claude Opus 5.5 <[email protected]>
10 lines
409 B
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10 lines
409 B
Text
#EXTM3U
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#EXT-X-VERSION:7
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#EXT-X-TARGETDURATION:5
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#EXT-X-MEDIA-SEQUENCE:60
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#EXT-X-PROGRAM-DATE-TIME:2026-10-25T12:04:56.000Z
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#EXTINF:4.000,
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program/60.m4s
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#EXT-X-DATERANGE:ID="break-300",CLASS="com.apple.hls.interstitial",START-DATE="2026-10-25T12:05:00.000Z",DURATION=30.000,X-ASSET-LIST="https://ads.example/break-300.json?_HLS_interstitial_id=break-300",X-RESUME-OFFSET=30.000
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#EXTINF:4.000,
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program/61.m4s
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