OpenTechnical

OT-2026-000014807

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000014807) never changes.

Identity and time

Publication numberOT-2026-000014807 · never reused
Internal UUID01a0ae6d-d094-75b2-8eb0-cf735dd74361 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014807
StatusPUBLIC

Content hashes

Canonical textf2b82a63ffd207a34bb52b01750c5ffea98346b04a1dee3b816e1fff7f8dee62
Markdownb5d19f70b9ea8b1b6f1e266e67e0233c35dd62479f850b3fbafba6c048a06ad7
PDF
Publication pageeb636748a8074f711ff4deb7913b56dbcf47ad3e1f4b06585b20fc5059d2c2b0
Manifest3c4de27b4c53125e3e175ea33fb65fa9d6a2349c78c4e7bf83c55d5950acae05

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
SignatureNY/D/A3Yyt+SXaqxaatUbIQOGP4UhRul6CxL8ELPhTqQpxe9H5MEGkRI1ns4ReueDJOK4eOjVj9wbVfd8XxrCw==
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

2026-09-17T12:06:42.335320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014807
observed eb636748a8074f711ff4deb7913b56db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.315743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014807/manifest.json
observed 3c4de27b4c53125e3e175ea33fb65fa9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.296159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014807/publication.md
observed b5d19f70b9ea8b1b6f1e266e67e0233c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:42.277368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014807/publication.txt
observed f2b82a63ffd207a34bb52b01750c5ffe...
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.