OpenTechnical

OT-2026-000014823

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-2026-000014823) never changes.

Identity and time

Publication numberOT-2026-000014823 · never reused
Internal UUID01a0ae6d-d094-77b1-9a25-d60b16040588 · 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-2026-000014823
StatusPUBLIC

Content hashes

Canonical text530f4c0f041064173410292855680bf6c9965801da4b835649f64efda4725d12
Markdown3dadf85a2ca793ad27dbc9cfea82500325cf85c7eb237dab8cb501451451be38
PDF
Publication pageaa67d289bab94a7610d038339cbd0fbcb9c18ab720a1d142c02cad962d848050
Manifest815c321367c61e85931e1c8917d2542e8b7149270937a003e164e088e1b90fc8

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
SignatureTABmNp17bXUUylIp/Np6vkg5dfzntroTkdKVPV66Obct54FkiYzbdePh1dhKiIaasI8bsMhkgS3aFRzvjs/RBg==
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

2026-09-17T12:06:43.540506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014823
observed aa67d289bab94a7610d038339cbd0fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.522611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014823/manifest.json
observed 815c321367c61e85931e1c8917d2542e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.502146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014823/publication.md
observed 3dadf85a2ca793ad27dbc9cfea825003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:43.482535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014823/publication.txt
observed 530f4c0f041064173410292855680bf6...
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.