OpenTechnical

OT-2026-000018355

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018355) never changes.

Identity and time

Publication numberOT-2026-000018355 · never reused
Internal UUID01a0ae6e-b489-7d2e-9066-3a7f8288b079 · 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-2026-000018355
StatusPUBLIC

Content hashes

Canonical text76316b2e57c45d955ea298f7322f559ac430779a29c1a3676e2f335b9b9a34ee
Markdown0f0294ebe6d6e0ecc39d738c284763d79fa8db0a74163dd4b184e6579b6c23cd
PDF
Publication page12c199621989bba1d146956516b9e5df61f38c4463a6018efa95c1ca08920c44
Manifest9770d8decfc7713079ef800269fb98e0f8a7bfde353ea3248a0fb51815aa776f

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
Signature5xgY7dNLX+Au3ExpXXAzqN2Zl+12ghk9HNd30tjj9bJ+H0X3X2UsS0/0/Jp9wHoab3XlVoAdp+zz2RKOEmPSAQ==
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

2026-09-17T12:01:05.464341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018355
observed 12c199621989bba1d146956516b9e5df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.448639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018355/manifest.json
observed 9770d8decfc7713079ef800269fb98e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.430374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018355/publication.md
observed 0f0294ebe6d6e0ecc39d738c284763d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.411939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018355/publication.txt
observed 76316b2e57c45d955ea298f7322f559a...
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.