OpenTechnical

OT-2026-000018474

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000018474) never changes.

Identity and time

Publication numberOT-2026-000018474 · never reused
Internal UUID01a0ae6e-b48a-7ae2-bebe-763d65fa4c01 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018474
StatusPUBLIC

Content hashes

Canonical text8ad8c15ddac412e1f5385c080ef4fbd249834d40e708e303094d80b054ecf911
Markdown5aa36b342081e242107cecce68d4fc6e4558997d7ade84253b532f7fe689cfca
PDF
Publication pageba4a464582454e7ee55d1a21f484ec5c7b454afd2c25983e91de7103a294beaa
Manifest1b60e4d95aceb334535cd874ea640ba91367f21c3e542d7b49ec56bf36227da5

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
SignatureNBjxwy8czkbecp3QJ9+XqYrkg4RctSCXNUTeYdztasUir09CVylkhlhhjVmuq0coTHQiNkOT0vQp2f3m0ooXBA==
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

2026-09-17T12:01:14.456521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018474
observed ba4a464582454e7ee55d1a21f484ec5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.438378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018474/manifest.json
observed 1b60e4d95aceb334535cd874ea640ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.420945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018474/publication.md
observed 5aa36b342081e242107cecce68d4fc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:14.403024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018474/publication.txt
observed 8ad8c15ddac412e1f5385c080ef4fbd2...
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.