OpenTechnical

OT-2026-000033535

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000033535) never changes.

Identity and time

Publication numberOT-2026-000033535 · never reused
Internal UUID01a0ae75-a38e-79c9-a45a-03134c07a2ab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033535
StatusPUBLIC

Content hashes

Canonical text31550d3d9300a14a3bfc98efd630133baee28d3cba9788f5cb11064abc300121
Markdown1d4a7f2995e623aa26cbaeead0697595ee95ac0d5c8b9076a64cc728bf3d8a79
PDF
Publication pagea1985364dc913e19a06904fb3e4e8e23de0d33940c94ec3868f7c0059c4fc379
Manifest2f2c3d22f425894cadb3ad7deb7282799b6d6afab6168a223f5edf691f7ec200

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
SignatureYtvoGEw6a7ApLcI4Ktc4T7JcTfiJ9g7t4wJddCgPHv00I9swCF46WiyVdR2Xc9NSOAwDCqYox3xd1pSvt+XQBw==
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

2026-09-17T11:31:23.698291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033535
observed a1985364dc913e19a06904fb3e4e8e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.681347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033535/manifest.json
observed 2f2c3d22f425894cadb3ad7deb728279...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.664614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033535/publication.md
observed 1d4a7f2995e623aa26cbaeead0697595...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.647694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033535/publication.txt
observed 31550d3d9300a14a3bfc98efd630133b...
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.