OpenTechnical

OT-2026-000016339

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000016339) never changes.

Identity and time

Publication numberOT-2026-000016339 · never reused
Internal UUID01a0ae6e-2d12-761f-9321-8d8f276e52ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016339
StatusPUBLIC

Content hashes

Canonical text9bbb7426a83af258500cc34e7f760be32d37edf755a340035e3359c5d72deb7d
Markdown8da9853dc834e02b2a3375598d6241325f881856f67c52487daf928805ef548e
PDF
Publication pagea39a914351b7f34f37276ec7ae3cf4279640644eeb82942e0e1183f59254832a
Manifest2490cdef8c41990997e40654481995457110a18aad85cdec7255038da0f11175

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
SignatureXg34JzJ92CZpyGXKTXXejkTRNfUPepYe0u+g/jMMZOL2LgSDVkKLwwtF+ZrEc54szaz/2YHT++ws/9mIbAqaBw==
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

2026-09-17T12:04:24.235097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016339
observed a39a914351b7f34f37276ec7ae3cf427...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:24.217758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016339/manifest.json
observed 2490cdef8c41990997e4065448199545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:24.197937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016339/publication.md
observed 8da9853dc834e02b2a3375598d624132...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:24.180134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016339/publication.txt
observed 9bbb7426a83af258500cc34e7f760be3...
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.