OpenTechnical

OT-2026-000070822

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, vented 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-2026-000070822) never changes.

Identity and time

Publication numberOT-2026-000070822 · never reused
Internal UUID01a0ae91-8c2d-77c3-b2d3-d6358bfbc469 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070822
StatusPUBLIC

Content hashes

Canonical text29094cb533b2c121fb3223844d283b44e091e48e85738143e77c581f2174bea6
Markdown7e123b2496edb63cd03bbf79f76156945f72edb492ad57d75cc0ac6ddd6bcb49
PDF
Publication page34ad38e100b4d9d4ac085124b6fe773306acb75e68f54599bff81ce35da5243e
Manifest5a9922383d0d99be907bc98391275d1622f3d36a5a0bcfe6dfade452d750a010

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
SignaturePjjPZZZtP0zQlqq6LUkTwlB/8MdxC2k6ZOsekah3T5wR88qcUVRTRLv6iKE8pZe4jTln0G5635Vi2iBuaJNFBQ==
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

2026-09-17T10:25:37.987221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070822
observed 34ad38e100b4d9d4ac085124b6fe7733...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.969038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070822/manifest.json
observed 5a9922383d0d99be907bc98391275d16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.951156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070822/publication.md
observed 7e123b2496edb63cd03bbf79f7615694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:37.933570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070822/publication.txt
observed 29094cb533b2c121fb3223844d283b44...
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.