OpenTechnical

OT-2026-000032017

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000032017) never changes.

Identity and time

Publication numberOT-2026-000032017 · never reused
Internal UUID01a0ae74-bad3-78da-88ab-405de730034f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032017
StatusPUBLIC

Content hashes

Canonical texte935f497d1941518919f3bfb809ec93a9bed3c5f13e8b541d8981bf05cb5715c
Markdownc8de9592f70613d9363e3f2da09960a041b69c0132a1894e607d18e119014688
PDF
Publication page2d807fc926344fd4fd17bbd964570f18a85bec82755a575682a9eab6078b4d43
Manifest3bf472fe26fe82c6e47adfbf7940463ed47be19a456d89be03d103d8d426c010

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
SignaturePS+rsxebP8sVdnTU63F5s4H2jY4YMUJcEEvCRfpZq/K4dzo6YReEZtPECim1LmfhrAAFTFo8Aw7CHaJjdJOXDA==
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

2026-09-17T11:35:25.388266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032017
observed 2d807fc926344fd4fd17bbd964570f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.370104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032017/manifest.json
observed 3bf472fe26fe82c6e47adfbf7940463e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.351173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032017/publication.md
observed c8de9592f70613d9363e3f2da09960a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.333585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032017/publication.txt
observed e935f497d1941518919f3bfb809ec93a...
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.