OpenTechnical

OT-2026-000030533

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000030533) never changes.

Identity and time

Publication numberOT-2026-000030533 · never reused
Internal UUID01a0ae73-e504-7025-a593-8181d70b2cbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030533
StatusPUBLIC

Content hashes

Canonical texte3c832f6319c99040059560ac01b85620956e93cf31503784d49e2aab46c4834
Markdown5f75e012475f4139029a04e6583445a3c4127b58b6f095cb0760fd88a4219e4d
PDF
Publication pageeaa2063678b52d2f029eaaf9cccc8b443878cb6cf03e58f20818f44cc794761c
Manifest2c19d75bb163ba076ceedc9e592612c0b3407047ce58d9637c6cb0225064c31c

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
Signature19cfNJ9oAmtJwd4Wo3CguUuXdut8spzN134wk746QHDyelU/UF+pN0jGvqZQ8lIWhMS4NKCUNsspvnpvn/L1BA==
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

2026-09-17T11:38:21.707242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030533
observed eaa2063678b52d2f029eaaf9cccc8b44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.690055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030533/manifest.json
observed 2c19d75bb163ba076ceedc9e592612c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.665954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030533/publication.md
observed 5f75e012475f4139029a04e6583445a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:21.643029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030533/publication.txt
observed e3c832f6319c99040059560ac01b8562...
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.