OpenTechnical

OT-2026-000070139

Publication integrity record

Two bellows cup vacuum gripper, two zone face, pump fed, 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-2026-000070139) never changes.

Identity and time

Publication numberOT-2026-000070139 · never reused
Internal UUID01a0ae91-1862-7775-9799-22e5146af2dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070139
StatusPUBLIC

Content hashes

Canonical textaa0cd63da7b70edf5d7a5dad5803aa1da3ff80c7500aa1cadc7fe314469aa175
Markdown8ce412024d47a41bb0e0bdc39db52bbab43c99fdfe6adffd6d51ee317ecaefd4
PDF
Publication pagee9bf53901408c717bd886cfd24dd2d162a9d66d646157721779b9428496eec76
Manifestdbbca98fa0f33e9abf2ddce00e2b1511596e58e69d2f39b9eccf4ff8e20e5f50

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
SignatureCTloHoU+Lx6cXTa97m8kk5VPaHmWf5pVdviBa66srS5j9TDaQ1s6waNIv2dsnFFHSLj15UkWCvaUGrgV23pbCQ==
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

2026-09-17T10:27:10.932333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070139
observed e9bf53901408c717bd886cfd24dd2d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.914815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070139/manifest.json
observed dbbca98fa0f33e9abf2ddce00e2b1511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.894694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070139/publication.md
observed 8ce412024d47a41bb0e0bdc39db52bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.875650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070139/publication.txt
observed aa0cd63da7b70edf5d7a5dad5803aa1d...
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.