OpenTechnical

OT-2026-000013090

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013090) never changes.

Identity and time

Publication numberOT-2026-000013090 · never reused
Internal UUID01a0ae6d-5565-7523-a805-e07f1126c8fa · 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-2026-000013090
StatusPUBLIC

Content hashes

Canonical text01485090afe64b9804c7ef94f778d44333d97c4e7ee9d98e27b83c1ada6b48b8
Markdowne6501560ef5d073366fe15a4821d598d3352a2bba0b917e2731de5d21e8621d7
PDF
Publication paged0c05c1686ea2ee274622a7d277aca4c4392b2830ef3ee976db96569bec2df90
Manifestb96630bfd69bc36a3ff96234288f7c2327f806230066c85cd6cec31ad6cce0e1

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
SignatureTLuGjDu1leOmbf1X1AcVbG/eT54G5tmldmcUyozF3ZCgA4WETNtk+//Tp4I+dE10ODW0ABAQvLJNbamYopsEBw==
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

2026-09-17T12:10:56.288815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013090
observed d0c05c1686ea2ee274622a7d277aca4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.271584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013090/manifest.json
observed b96630bfd69bc36a3ff96234288f7c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.252273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013090/publication.md
observed e6501560ef5d073366fe15a4821d598d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:56.232040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013090/publication.txt
observed 01485090afe64b9804c7ef94f778d443...
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.