OpenTechnical

OT-2026-000099771

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, sustained 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-2026-000099771) never changes.

Identity and time

Publication numberOT-2026-000099771 · never reused
Internal UUID01a0aea2-c977-7b17-8f6e-1394c83f3ed6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099771
StatusPUBLIC

Content hashes

Canonical texta7ba55065236526298b19fb358099f6b2f9d9fa8ab0597989b661e80107c49e6
Markdown310fa754e307c7848686fd430f6c88df3b2294633bd6f8977faa43365aef22fa
PDF
Publication page78bea2a27d6eeb32ba2b75f9f763479e98b104103835e3b2792a6a7e3d901dce
Manifestcfeb41324acb166bd7e7442230feea6fb078908c9b1a6a78f9551bc99772c818

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
SignatureBZPE5grZuXHO4Fl9Tb8N3/jhN95n2vXV/UXiKF/qCocpsuL89qAhSvURxqXaQvjjK5LnBOk9IRdIx0fxxjOjBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:48.210008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099771
observed 78bea2a27d6eeb32ba2b75f9f763479e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.192323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099771/manifest.json
observed cfeb41324acb166bd7e7442230feea6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.174832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099771/publication.md
observed 310fa754e307c7848686fd430f6c88df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:48.157893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099771/publication.txt
observed a7ba55065236526298b19fb358099f6b...
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.