OpenTechnical

OT-2026-000018760

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000018760) never changes.

Identity and time

Publication numberOT-2026-000018760 · never reused
Internal UUID01a0ae6e-d521-726a-93c6-96e35ff37765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018760
StatusPUBLIC

Content hashes

Canonical text68772c1c58125dad17cc1b1afde7ee4548088de22eb46f1598fa11b940b89646
Markdown2def85fc0c6665326e973075523998d6b1195423cbecc20b357a2d72148e8f48
PDF
Publication page2bc19d5d1da1f18383d2dfcae00203e995c8216c83b3e79b149d0ce26e0bb040
Manifeste61699060519374b3f883f44a684ab0655d16c4db9a102dcf4ea572b5fbe50ad

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
Signatureq+8/mACiiypnr6r2M92fZx04FhGkWDaFclasa/Cy23FKdmqU9Gr+lcYCUzsojPAdZ93VaHNGx+RENHceCxIJCg==
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

2026-09-17T11:59:22.668888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018760
observed 2bc19d5d1da1f18383d2dfcae00203e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.650750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018760/manifest.json
observed e61699060519374b3f883f44a684ab06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.632564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018760/publication.md
observed 2def85fc0c6665326e973075523998d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:22.613521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018760/publication.txt
observed 68772c1c58125dad17cc1b1afde7ee45...
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.