OpenTechnical

OT-2026-000017200

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three 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-2026-000017200) never changes.

Identity and time

Publication numberOT-2026-000017200 · never reused
Internal UUID01a0ae6e-76c7-73fe-8a82-290da025289e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017200
StatusPUBLIC

Content hashes

Canonical text77a08cff0960e04c6a4473cb3d4e37439aaaac8b47192d06f11f8c28a90db9d7
Markdown32400e74f26c72ea7fb25acb81d0de7d28314f90112bfd26a7bd0b6f79af8986
PDF
Publication page6052118df0ab3d2f61eb4b1d40024967990a28f4ace1d15d221fd4a67e4c659e
Manifest6641fde52f0d9e5c3ceffd47fb3e097c31ce29717a0ce34466c935dec94c0396

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
Signaturewe7yqAlKbyAB+yDzfJZnI3FHBz5KLKtAwiVWODWqOMFLLKbImaAdSvZEmOLjpMyor1q+IcpxYyZ2tKMtGLVABg==
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

2026-09-17T12:02:16.430501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017200
observed 6052118df0ab3d2f61eb4b1d40024967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.414373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017200/manifest.json
observed 6641fde52f0d9e5c3ceffd47fb3e097c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.397712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017200/publication.md
observed 32400e74f26c72ea7fb25acb81d0de7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:16.380361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017200/publication.txt
observed 77a08cff0960e04c6a4473cb3d4e3743...
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.