OpenTechnical

OT-2026-000043420

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000043420) never changes.

Identity and time

Publication numberOT-2026-000043420 · never reused
Internal UUID01a0ae7b-327e-7a0f-9d88-34e55908708a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043420
StatusPUBLIC

Content hashes

Canonical texte698ff096d61a73cf69042059fc35d779114d8a18fb6addbd90f04c8747eafa4
Markdown8b9daaa44a93f4946176929a50994977445010ba2fef3d4058420a5a6385be0d
PDF
Publication page23ead76c2d3bc7f49a9949e2e821d722e737538a373aac1f483dffa58bce14dd
Manifest91fc1b60fb7ea9d31de76508ed8c5f893087ab8b487ed739f1041fbb45cca2fb

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturepn10hxEUuOyBbN+G0S5xa818hPymvZSn3htdC6jCeMkO6VXaneVPTUZLe3ne/EYCkRA4N0Otla4GazZ0R9IRBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:57.740284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043420
observed 23ead76c2d3bc7f49a9949e2e821d722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.720792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043420/manifest.json
observed 91fc1b60fb7ea9d31de76508ed8c5f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.700726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043420/publication.md
observed 8b9daaa44a93f4946176929a50994977...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:57.679770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043420/publication.txt
observed e698ff096d61a73cf69042059fc35d77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.