OpenTechnical

OT-2026-000032777

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000032777) never changes.

Identity and time

Publication numberOT-2026-000032777 · never reused
Internal UUID01a0ae75-4841-720c-b020-46e1f41144c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032777
StatusPUBLIC

Content hashes

Canonical text16d5ebe9142cf7eaee908a14b8426e332e3bd6006906b660c678a5e2426c3779
Markdowna133993bf0a4e6d23b93dab9da010b9e688b56fcd00f5c4eeb28971952c5ce57
PDF
Publication pagee72ccbdab6fb7faf5dbd1278c6c334beae36ce62b2b3e91e773ec7384791887e
Manifest9ebede045b2a322d11858bf80ef10430c574575b7c85b0ab031be09abeccbd13

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
SignatureQjLGiK6aFf8PxJ3G0xT8zJxGFfuI0wmd6KJCUBQG3cCUeOacVzlIjuTzwNjf076x/y0pIFK06jGvgM56UUa+DA==
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

2026-09-17T11:32:13.021676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032777
observed e72ccbdab6fb7faf5dbd1278c6c334be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:13.002862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032777/manifest.json
observed 9ebede045b2a322d11858bf80ef10430...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.953719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032777/publication.md
observed a133993bf0a4e6d23b93dab9da010b9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:12.884174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032777/publication.txt
observed 16d5ebe9142cf7eaee908a14b8426e33...
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.