OpenTechnical

OT-2026-000089572

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089572) never changes.

Identity and time

Publication numberOT-2026-000089572 · never reused
Internal UUID01a0ae9c-1a21-7036-90f5-cb4f2d1d0a7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089572
StatusPUBLIC

Content hashes

Canonical textb2702d6d5a774cbc1f83fcf1e70036053bdf2dd395064a331e00dfbc1edbf9e8
Markdowna2367e4604da11d07186c8f572ca3c02bd3ad0197517ee32e47fd09d4d91d0c2
PDF
Publication page04de4c65e7688e0f58101a0d7b189473f364b4b44ee13075922cd463049406c4
Manifest6b1625f12117a89aabe2bd250148f6cfb53af1fe00e384d1c4ded0bb0501ebc8

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
SignaturezO4DApuF+O9vcOwh9k/R/LjznoJEWwhgbVxDs9gPrcNQX7lCFhdCZiQ1KA20/zbN/Dast9CR3Pzp6QemmqpXBg==
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

2026-09-17T09:46:32.823005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089572
observed 04de4c65e7688e0f58101a0d7b189473...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.804309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089572/manifest.json
observed 6b1625f12117a89aabe2bd250148f6cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.785889ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089572/publication.md
observed a2367e4604da11d07186c8f572ca3c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.766979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089572/publication.txt
observed b2702d6d5a774cbc1f83fcf1e7003605...
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.