OpenTechnical

OT-2026-000012795

Publication integrity record

Foam pad vacuum gripper, four zone face, pump 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-2026-000012795) never changes.

Identity and time

Publication numberOT-2026-000012795 · never reused
Internal UUID01a0ae6d-5563-7bca-8b8f-eac7e8542645 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012795
StatusPUBLIC

Content hashes

Canonical textc012224728658e11414884b988d3cf1a3e60f1372e2724e55dfec4287c31df8c
Markdown3bccd6b8a97ff629ce1f276b8c08b1b0e1853670d63b58f6d048faebbd2a1beb
PDF
Publication pagee7603454ebfea4d082a6eb727598cd95cae064c43ba3f985415ea01e84ac575a
Manifestbd53d31cb368ad70dff42cf1b1a5eb5461832abfd10b24b3d314e28732616754

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
SignatureyQfNfZC+1EoklXmN0WHoEB52XgbkgVLbLCUvneYh6UxNGmdFQ109O38Iwu7hzhdcvzjEhnVsGI1h3m3Xv/c0BA==
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

2026-09-17T12:10:31.213877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012795
observed e7603454ebfea4d082a6eb727598cd95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.196358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012795/manifest.json
observed bd53d31cb368ad70dff42cf1b1a5eb54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.174970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012795/publication.md
observed 3bccd6b8a97ff629ce1f276b8c08b1b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.156515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012795/publication.txt
observed c012224728658e11414884b988d3cf1a...
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.