OpenTechnical

OT-2026-000012247

Publication integrity record

Foam pad vacuum gripper, three zone face, three stage ejector, pulsed blow-off before 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-2026-000012247) never changes.

Identity and time

Publication numberOT-2026-000012247 · never reused
Internal UUID01a0ae6d-39f5-71a5-9c27-dc523ba1a140 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012247
StatusPUBLIC

Content hashes

Canonical text3b5a04473aeaa8e255db121b958c1605937b5d28096b3959c3509346845a564c
Markdown34cfda9d0178a935664a41be1a0ccbdfa6fbaa9261b838b31081b384bacad270
PDF
Publication pagea56e421090c00fc74b67e331a48f75622f1ffa412750c315a80c1e4a95c5b0b8
Manifest41173a0da7dc57ea43a588a6ad4e65e38fe9fbef8e4bcb0de53147f4afcd5e14

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
SignatureOybBS6IKxZIwjJtRlkL4OgcbC49Vkd/5ONmSowXIjH5Wo3Tjk90tYFKF3nL5rRJNm7b/ZDmjvYPqD3Kw7BHkBw==
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

2026-09-17T12:11:10.562956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012247
observed a56e421090c00fc74b67e331a48f7562...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.543760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012247/manifest.json
observed 41173a0da7dc57ea43a588a6ad4e65e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.524451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012247/publication.md
observed 34cfda9d0178a935664a41be1a0ccbdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:10.507551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012247/publication.txt
observed 3b5a04473aeaa8e255db121b958c1605...
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.