OpenTechnical

OT-2026-000022625

Publication integrity record

Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000022625) never changes.

Identity and time

Publication numberOT-2026-000022625 · never reused
Internal UUID01a0ae70-46e9-7d80-9291-68d128dfeac5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022625
StatusPUBLIC

Content hashes

Canonical text00e85fe28aa915199e5e78ade2f5832b932f72763b6fa9bb7aae3fe38afd5188
Markdown285d242fafbcb662b05d659006990a94b5a2632f68f4a27d09407f1c45268fd9
PDF
Publication page6fa1f6cc98458be74d461ccea42380ff562f05611467f2f57080718849304828
Manifest775c28b3db4de32788c842743875afe12da46a717036745111df637386a1ca29

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
Signatureadd/DnGUXCWaDWFdxRCHZcIUbvgmM/AI3YmA4mWwZYvAL97rwIO9793+Bl6rgWBxuIuZSXVjUMSAiHnOEDdwDw==
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

2026-09-17T11:51:59.956287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022625
observed 6fa1f6cc98458be74d461ccea42380ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.938900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022625/manifest.json
observed 775c28b3db4de32788c842743875afe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.921076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022625/publication.md
observed 285d242fafbcb662b05d659006990a94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:59.904755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022625/publication.txt
observed 00e85fe28aa915199e5e78ade2f5832b...
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.