OpenTechnical

OT-2026-000011268

Publication integrity record

Single cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000011268) never changes.

Identity and time

Publication numberOT-2026-000011268 · never reused
Internal UUID01a0ae6c-5410-7aeb-8dc1-057d1b814d21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011268
StatusPUBLIC

Content hashes

Canonical textb2b4b2588829f1859fa5f26ebe8a6b142946c18691cc966edae61ea1ec377ce6
Markdown03641bb9b492b6cc5df488af63e5d9568806c71053f47c0930654b81c30ed4d2
PDF
Publication page128b93eb5892cb43650590b25116ad55fc25e3995c1f425304c05fd8b673253b
Manifest63890b33baa337ebbe7e818ce7fd0ec342e4990eea2425442efc5f736f59f28d

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
Signature5nrmFMTG4xzYF6EjQBZcjXsWh7I9OA69dcT6xy1bVt+4FSWhtJAaiJ6999VklhNgq3kT19IMxGEFUkV+i8mZCw==
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

2026-09-17T12:14:14.441317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011268
observed 128b93eb5892cb43650590b25116ad55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.422186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011268/manifest.json
observed 63890b33baa337ebbe7e818ce7fd0ec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.402272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011268/publication.md
observed 03641bb9b492b6cc5df488af63e5d956...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.381549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011268/publication.txt
observed b2b4b2588829f1859fa5f26ebe8a6b14...
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.