OpenTechnical

OT-2026-000033841

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000033841) never changes.

Identity and time

Publication numberOT-2026-000033841 · never reused
Internal UUID01a0ae75-a391-765c-a78f-50ef467b6f96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033841
StatusPUBLIC

Content hashes

Canonical text3c5520e3930a8d4af1b93cc8b2e8fee645b5dd85e390c9060a84005dc0cf2253
Markdown3656e1b781104d36613e94c63020c6e6e88101381ea6aa38894d7f4eb9cfb32a
PDF
Publication page58320525fa898bc3b4c28c903b1472ce11e3628de526a4388bc029240043ea79
Manifest88eeacb86ee806c84628fef147155905f79d7649a08727ec34dc7d8225e0d514

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
Signaturegkp8DHbfnXvwKjmC8douFw6Xhse7smaBI+aiLK1nzzel3a9Jw184a0gwGO0AV3vohMb/gJmr0CvQj8v/ZuTvAg==
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

2026-09-17T11:31:53.854775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033841
observed 58320525fa898bc3b4c28c903b1472ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.837456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033841/manifest.json
observed 88eeacb86ee806c84628fef147155905...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.817932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033841/publication.md
observed 3656e1b781104d36613e94c63020c6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:53.799684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033841/publication.txt
observed 3c5520e3930a8d4af1b93cc8b2e8fee6...
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.