OpenTechnical

OT-2026-000063299

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before 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-2026-000063299) never changes.

Identity and time

Publication numberOT-2026-000063299 · never reused
Internal UUID01a0ae8c-94ac-77ae-a560-d72cafa20a74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063299
StatusPUBLIC

Content hashes

Canonical text94b58e05f87602cb72a44451fea41ce9bbe811158753f7067acdff66cf95df39
Markdownfaca40ce8e3b6e79afb8daf9f4b3530fdb0f5bca15f3d112b8c2fc0d35034ec1
PDF
Publication paged2e16ebee569790239e6aa18fe6ecf4311f807a72876b48911a2d5448991b480
Manifest7ca28b3791b79861a65244d75804b2e87fe00a586ae1b7f72b7eec15f9c3d5d8

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
SignatureHWZuOByazytwe7jFn3B5s/VqE/YOrvbLjLsB8aICDmhXEuwHg17aTXz7MuPKOlicQtQc0FfLpIwa6z8utpp+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:11.744668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063299
observed d2e16ebee569790239e6aa18fe6ecf43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.725942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063299/manifest.json
observed 7ca28b3791b79861a65244d75804b2e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.708341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063299/publication.md
observed faca40ce8e3b6e79afb8daf9f4b3530f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:11.689470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063299/publication.txt
observed 94b58e05f87602cb72a44451fea41ce9...
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.