OpenTechnical

OT-2026-000051667

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000051667) never changes.

Identity and time

Publication numberOT-2026-000051667 · never reused
Internal UUID01a0ae83-7c82-7772-834b-0a93f105a268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051667
StatusPUBLIC

Content hashes

Canonical text0e62d4b99500010eaeb208dc7ce7f7a2ba99defda6ea8b472c106d3ba12b4ab1
Markdown03ad6190aefc930b91afa7759cb7f7e0c3bfb1b93d6b8647cabb7b1aed0921cb
PDF
Publication page77de3df70cbc0ae1e6c755d47e64c9ab1a849fa44da12fd80fa84c19551acf6b
Manifestb515fef57f5d1fc709cb904738cb892757b40f84c7f2bf656e9cf1cca0421d7f

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
SignaturegwA+1mZliwLx8TB/4P73Po+htLs+0MXf4RevE0kDoxq+xgfwC7ztLWFb8IwzNDFTUp0R8MJHmXaq1kyoWZrtBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:32.147386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051667
observed 77de3df70cbc0ae1e6c755d47e64c9ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.128722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051667/manifest.json
observed b515fef57f5d1fc709cb904738cb8927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.109887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051667/publication.md
observed 03ad6190aefc930b91afa7759cb7f7e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:32.091286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051667/publication.txt
observed 0e62d4b99500010eaeb208dc7ce7f7a2...
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.