OpenTechnical

OT-2026-000063935

Publication integrity record

Foam pad vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, 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-2026-000063935) never changes.

Identity and time

Publication numberOT-2026-000063935 · never reused
Internal UUID01a0ae8d-53bb-7968-80a9-2a2ca381743d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063935
StatusPUBLIC

Content hashes

Canonical text04a50e76464cc39137b5a746009bfed769015bfec3c11250e469773a8b58ee66
Markdowna4c50325b6bd0bea50bf1a0acf4d9e3a5aa18fc9d82f8fa5a632cc9a93d78494
PDF
Publication pagefdb43e79ae682ef86830e53321f9946d07efe77647c6963b8427c4e63e41fff4
Manifest174360f73cddc5eca0c5862a25281cef67f40a5da2b9142e8d1627b61256320c

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
SignatureqrgVZe8q+oVuWjZGDcjQD2dxK75I41CpyUxqq7lfKsEqZQlYNPSQWcOXVAeauG6tlmAcTkCtoN0cicfXMRMRAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:59.412059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063935
observed fdb43e79ae682ef86830e53321f9946d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.394256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063935/manifest.json
observed 174360f73cddc5eca0c5862a25281cef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.375815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063935/publication.md
observed a4c50325b6bd0bea50bf1a0acf4d9e3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.358257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063935/publication.txt
observed 04a50e76464cc39137b5a746009bfed7...
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.