OpenTechnical

OT-2026-000013482

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000013482) never changes.

Identity and time

Publication numberOT-2026-000013482 · never reused
Internal UUID01a0ae6d-6fca-7709-a724-8c22067f4354 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013482
StatusPUBLIC

Content hashes

Canonical textac4e633521d39687dab7de5bf8cf0a728b31a1d8f87548a88b6f61c5f3240d6a
Markdown7ec7729a6f1c744b767755912f64119094b555209cb9bd5e8c1feb04e8ad5e01
PDF
Publication pagef3e57c1851c8138d91ae214828fa8655373f193658d833f33752033a85fb6997
Manifestb622f1f143fa3227120cdb9dba6aafe066ba06e34a4bc4f012c190fb7393ba4b

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
SignatureQ0mtW3B9FcrTSd/yCGVw0BQ2zgwmkNxh60Gg9XY/DuMxZmTpEP6mPG5FDA4gpK4wOK9oPVI3HY9xsW2SJjzDAQ==
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

2026-09-17T12:09:59.102623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013482
observed f3e57c1851c8138d91ae214828fa8655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.082828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013482/manifest.json
observed b622f1f143fa3227120cdb9dba6aafe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.064117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013482/publication.md
observed 7ec7729a6f1c744b767755912f641190...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:59.036727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013482/publication.txt
observed ac4e633521d39687dab7de5bf8cf0a72...
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.