OpenTechnical

OT-2026-000099685

Publication integrity record

Foam pad vacuum gripper, two zone face, three 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-2026-000099685) never changes.

Identity and time

Publication numberOT-2026-000099685 · never reused
Internal UUID01a0aea2-c976-7ee9-91eb-10d90a36751c · 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-2026-000099685
StatusPUBLIC

Content hashes

Canonical text17901ef01c2cdb4a99a61b3e732d07565c6b7ad781a5cb2bcfc0dc19af210c93
Markdowne986009e5fe946ad6cf6d8c2aa9a3cdd80c26dda048937e32d223773ada14a3b
PDF
Publication page21549ceb98622eb7eaf359fb4622b6a253c8c21874961efdf5433d48af51b74e
Manifest3dfe0a94582f83cb23a18d9286511e031dbad9e20290fc1f40978f580f64a56d

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
SignaturelN3yN2yV2fz6BDnhnRtVAVS0v0tkoU3RPtN4mHzdF2akZQQDqm0kmEWzN7BHmhpiZc5E+gHLtbKIpHB99MRGBw==
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

2026-09-17T09:29:36.994859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099685
observed 21549ceb98622eb7eaf359fb4622b6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.976672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099685/manifest.json
observed 3dfe0a94582f83cb23a18d9286511e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.957842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099685/publication.md
observed e986009e5fe946ad6cf6d8c2aa9a3cdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:36.940268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099685/publication.txt
observed 17901ef01c2cdb4a99a61b3e732d0756...
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.