OpenTechnical

OT-2026-000017237

Publication integrity record

Single cup vacuum gripper, 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-2026-000017237) never changes.

Identity and time

Publication numberOT-2026-000017237 · never reused
Internal UUID01a0ae6e-76c8-7e50-8db7-862ee67eccc2 · 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-2026-000017237
StatusPUBLIC

Content hashes

Canonical texte091c82ca3338c88e927dbd84d6b993af27e9c58354145897c561b4074871f3c
Markdown94727bf37cd1b839b42c864957df8c7fd06c28c6a3fa868f2c375cac8dd2d78f
PDF
Publication page87c0f542fa98085b13735e2d18dfe340b29791ea2db6d2ae732fb68edc9637a1
Manifesta497fc80556053b87907778a645167d85c8e84e861ab47bd105522e37cb8d272

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
SignatureEW+qUR/a3RqE++ALuHB6s1bqg/utPxRYzJD1BDIqMuE6D4Gt5g0PHG4P530KfsB0KMXo3QEic1+5O7dj7stVBQ==
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

2026-09-17T12:02:19.140294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017237
observed 87c0f542fa98085b13735e2d18dfe340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.122404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017237/manifest.json
observed a497fc80556053b87907778a645167d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.102783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017237/publication.md
observed 94727bf37cd1b839b42c864957df8c7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:19.085883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017237/publication.txt
observed e091c82ca3338c88e927dbd84d6b993a...
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.