OpenTechnical

OT-2026-000069625

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000069625) never changes.

Identity and time

Publication numberOT-2026-000069625 · never reused
Internal UUID01a0ae90-b52c-7903-a694-5539ac3168a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069625
StatusPUBLIC

Content hashes

Canonical text6451ff4e0c979096f53a0fca977852d44da6fd59bf23fc2979b64cb546ed61b1
Markdownff305d129a4f2cccee1b3c2667c133029813e4476f943aca394a108887c08b78
PDF
Publication page6ad107df576ff3cdf7fb678af813bcf7a0ebd2f39deaf5401ef55ac8227ff705
Manifest3424c571532bfdf27d35249201b58fa49beaf028a51c4d192233aa3a39b07658

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
SignaturePGyUowoyqiNvzxaSCJpeEwhCq6MZT98JeeJApMY/Wh0C4oAUWAdG8WIFntk7AJx7Q77YmeEOVZkAWdGLRW6KBQ==
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

2026-09-17T10:28:17.387606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069625
observed 6ad107df576ff3cdf7fb678af813bcf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.369898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069625/manifest.json
observed 3424c571532bfdf27d35249201b58fa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.352936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069625/publication.md
observed ff305d129a4f2cccee1b3c2667c13302...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:17.333942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069625/publication.txt
observed 6451ff4e0c979096f53a0fca977852d4...
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.