OpenTechnical

OT-2026-000018048

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000018048) never changes.

Identity and time

Publication numberOT-2026-000018048 · never reused
Internal UUID01a0ae6e-96fd-798b-8b94-bb1a4884fff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018048
StatusPUBLIC

Content hashes

Canonical text61f8a5deb1ea8410881d95dc3a69f779d09c88696063ca36c4798cec1d9814a3
Markdownf1d00787c9dc1eab4edd426fdd7c94822115aaa45015aa3198a3a9f9331dd665
PDF
Publication pageedbdc7a5eced47c5caab770a8add71276422ede843058c8e16b033689d4cfbf7
Manifest5129595a1a63c28ba32ddddb232e1826fbe09e327b2e70a5210983fb5c03df13

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
Signature+beQeslKDZGlWYu2Yp74imr0hEEOg9GxfdyuO29coBa/Y8zfrzyKN8G5lUkHgUVkhvJnlesx2QcUvMgPCUuWBQ==
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

2026-09-17T12:02:05.016209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018048
observed edbdc7a5eced47c5caab770a8add7127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.000271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018048/manifest.json
observed 5129595a1a63c28ba32ddddb232e1826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.975817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018048/publication.md
observed f1d00787c9dc1eab4edd426fdd7c9482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.956158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018048/publication.txt
observed 61f8a5deb1ea8410881d95dc3a69f779...
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.