OpenTechnical

OT-2026-000033402

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, pulsed blow-off after set-down

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-2026-000033402) never changes.

Identity and time

Publication numberOT-2026-000033402 · never reused
Internal UUID01a0ae75-8980-7ffe-9315-d7cdad874722 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:13.649513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033402
StatusPUBLIC

Content hashes

Canonical text4584c3d52d4f0c432dc2ebc383498efaf421e2f53967bd358071900d5c829867
Markdown077398f5b55c0ecdb38159478eed237810752dd3a963d916e9e92e1e7626841b
PDF
Publication pagefb16d2cbac037e80be64b23a5127eb20e60397fc5c6dcb2f964416ec23d70898
Manifest09ee9e4263064c7ce1c268a3dc1e87190b7d87789b07d790fa07c2119aa22c27

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
SignatureRUqLvvJ9qjwXGaXN1HF2SVochrt2ce5GLyuh+wFE8TmZSfDJS/M9t2nTdtmgLP+eMI/bdQs3Yl2OmAPxXfE6Ag==
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

2026-09-17T11:32:10.977262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033402
observed fb16d2cbac037e80be64b23a5127eb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.960493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033402/manifest.json
observed 09ee9e4263064c7ce1c268a3dc1e8719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.943873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033402/publication.md
observed 077398f5b55c0ecdb38159478eed2378...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:10.913903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033402/publication.txt
observed 4584c3d52d4f0c432dc2ebc383498efa...
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.