OpenTechnical

OT-2026-000010933

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, vented after 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-2026-000010933) never changes.

Identity and time

Publication numberOT-2026-000010933 · never reused
Internal UUID01a0ae6c-540d-7773-82d8-d5b215416d6a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010933
StatusPUBLIC

Content hashes

Canonical textc4c09352e3d6241ab955e3dd5261e5e5d33e7ea5b72656523614f5dd68985004
Markdown2cb0fdab06da5554b1e8ef67613cd5bfd9b5042fb27f2352e11c3a924121ca74
PDF
Publication pagea0a5f95303d809ef4fecb80c4dac01b1d145955e72b6b0836617a1fa3b64a830
Manifest3f94fee93dd1f40c4e0f9a0e64d61ed41448ff03513c0cbe58a1c06a0cd1870a

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
SignatureNKU+nDwS3eSJtNL+g3nNfg7cOqnVC0bLAo+sqN80nsy/mFa41lonyb7jomUWphfnBw40tpRq7StqfgGjTH5QBA==
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

2026-09-17T12:13:43.210221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010933
observed a0a5f95303d809ef4fecb80c4dac01b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.192319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010933/manifest.json
observed 3f94fee93dd1f40c4e0f9a0e64d61ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.171477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010933/publication.md
observed 2cb0fdab06da5554b1e8ef67613cd5bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:43.149619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010933/publication.txt
observed c4c09352e3d6241ab955e3dd5261e5e5...
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.