OpenTechnical

OT-2026-000026307

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000026307) never changes.

Identity and time

Publication numberOT-2026-000026307 · never reused
Internal UUID01a0ae71-f4a6-76c5-a903-598f99b58ccd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026307
StatusPUBLIC

Content hashes

Canonical text2b62a8ae71077773589479324d5975bd8c4d56a65f8939faf643a213cdad3971
Markdowna75944d17268225a047c80dd5c5635dcb24ef6f75cf42b17b3c1959080d087fe
PDF
Publication pagea051d2624bb93a95d9ef5cbd7c41dec57a6b19e5084081a8105de5fc6810ac06
Manifest0a44c0916f43f72ae0f827893d7ffba0176686f4ea1966a74fef812641e051d9

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
SignatureGv7wHx5+PPmnMUSzK8I9f3XXo/8EAK8GvQGXhGvpX5G0ARbzt6zTFu9I0tewcuvkC4Lxr2iF8HmUmtUpAI0CAw==
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

2026-09-17T11:44:15.562164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026307
observed a051d2624bb93a95d9ef5cbd7c41dec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.544912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026307/manifest.json
observed 0a44c0916f43f72ae0f827893d7ffba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.530146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026307/publication.md
observed a75944d17268225a047c80dd5c5635dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:15.513292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026307/publication.txt
observed 2b62a8ae71077773589479324d5975bd...
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.