OpenTechnical

OT-2026-000045020

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000045020) never changes.

Identity and time

Publication numberOT-2026-000045020 · never reused
Internal UUID01a0ae7c-f767-70ac-b983-fb88e0d274bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045020
StatusPUBLIC

Content hashes

Canonical text3abc3ea7b966863171519b206c1e14bbc74c459e6d74290e95d5ce70c6c10dee
Markdownba364ccefe64e5ea19b4ecc0492dcfd22ff0bbca6b1363870ddb5e5b30e2e9a8
PDF
Publication pagec1630eec129c54d0cf3f07d8c04ab8628f8e332231ea4cbc9aaa8be0401c33a3
Manifest5e9dd8f2ecbb6426a894abda6a608647daec7fcb9879a6ef1746366b71c9e05e

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
SignaturedE9+cXRLkbzZBU2WoUSIupFCvGxkjCiPPxMJhOyngp0fCHYcY/ScZ191n96vgJCDHiWwJ6jPnNz/Vr25vSS2Dg==
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

2026-09-17T11:10:01.808747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045020
observed c1630eec129c54d0cf3f07d8c04ab862...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.792197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045020/manifest.json
observed 5e9dd8f2ecbb6426a894abda6a608647...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.775042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045020/publication.md
observed ba364ccefe64e5ea19b4ecc0492dcfd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:01.743667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045020/publication.txt
observed 3abc3ea7b966863171519b206c1e14bb...
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.