OpenTechnical

OT-2026-000051493

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, vented before set-down

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-2026-000051493) never changes.

Identity and time

Publication numberOT-2026-000051493 · never reused
Internal UUID01a0ae83-7c80-7990-afec-358a86efc3e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051493
StatusPUBLIC

Content hashes

Canonical textc6fd7c95520e2d2685dedb1f60ccb856f21d21b16cf80b54ba312ef4e4b305ef
Markdowne7b1c683ef601b67626349b8a45b12b5abac018df18669146606948a2a245e29
PDF
Publication page085c870eff440fa0cb5439d29dbb660b1642052bdccf9ebe9d26c8b51eec3a3f
Manifest308df0ffadd41275a1897ef8391c3d4715c8cc0d885192c5ba07d88390d61e9d

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
SignaturenCDZ++AWWmBKeKIRrNKvZYWxzUiiMFjC2tM4V4JUIPsQM7j7TkQyahHnDskpWIimZXAJoceu9fxwV2scTCM4AQ==
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

2026-09-17T10:58:18.389015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051493
observed 085c870eff440fa0cb5439d29dbb660b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.371000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051493/manifest.json
observed 308df0ffadd41275a1897ef8391c3d47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.351380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051493/publication.md
observed e7b1c683ef601b67626349b8a45b12b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:18.332411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051493/publication.txt
observed c6fd7c95520e2d2685dedb1f60ccb856...
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.