OpenTechnical

OT-2026-000012022

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000012022) never changes.

Identity and time

Publication numberOT-2026-000012022 · never reused
Internal UUID01a0ae6d-1943-7e9d-86da-ad057cc66850 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012022
StatusPUBLIC

Content hashes

Canonical textc0ba4a7ba53826ea10ff093aa018110d8434600205517e7d30a0f757e5d2abd4
Markdown1f9a0d38112bb840bcea6de083174071583e6cdfda0d693f95449c080173d00e
PDF
Publication pagecc732543d9607e8a5dd6c0d8746369fc97e09c88f9d9bc69321e659b2e2f6493
Manifest2a4752b76b8843928ed39a81cf8fa33de8463065b67df8c0ba97e360343f12c2

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
Signatureoc8QTqwhEKdYxjl1xM1g4LdnoK6ZRZo99akIGrDD1cdp3zjkfDIFHOTPJXWGjs/WoImn7edp5p4UhwKiWJXGAg==
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

2026-09-17T12:12:53.580382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012022
observed cc732543d9607e8a5dd6c0d8746369fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.560750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012022/manifest.json
observed 2a4752b76b8843928ed39a81cf8fa33d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.539673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012022/publication.md
observed 1f9a0d38112bb840bcea6de083174071...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:53.520567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012022/publication.txt
observed c0ba4a7ba53826ea10ff093aa018110d...
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.