OpenTechnical

OT-2026-000079286

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000079286) never changes.

Identity and time

Publication numberOT-2026-000079286 · never reused
Internal UUID01a0ae96-0b90-7d46-9c46-8025bbb6713e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079286
StatusPUBLIC

Content hashes

Canonical text46f5b0a7a37ec2bf4019f02568c27b6dc6892bce3ed133adf155e89138e8083d
Markdown98d39bbc3172e0478f53513e209ad7ef4934cef29c249c7fd70c6fc27d37c633
PDF
Publication page8859c3ba93692dcd6dce5b5c657d694e7a43553d398eb456dfd072d6863e5fe9
Manifesta04da8b752231c108338249178335335a8e551547ec79d5713e9534e7fcc12f9

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
Signature2i/zwmoKDDB4uO9K1f4mfJGzmjZVQyEV5J8CAYtY4rV1agU/1nfbmGIy408wJNBZ7FLaZ3dS9yIn1p/KTLlKDA==
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

2026-09-17T10:04:53.626552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079286
observed 8859c3ba93692dcd6dce5b5c657d694e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.607614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079286/manifest.json
observed a04da8b752231c108338249178335335...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.588582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079286/publication.md
observed 98d39bbc3172e0478f53513e209ad7ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:53.568677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079286/publication.txt
observed 46f5b0a7a37ec2bf4019f02568c27b6d...
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.