OpenTechnical

OT-2026-000084828

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, sustained 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-2026-000084828) never changes.

Identity and time

Publication numberOT-2026-000084828 · never reused
Internal UUID01a0ae99-43b3-74eb-8cc9-03ed762ce6ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084828
StatusPUBLIC

Content hashes

Canonical text4eef67f9472014e2506b404e6b1d8cb6ce9254a9810ad557129365fbfb528ab5
Markdowna14f01556450a4e4460aa04d70ff42dff425e6574725cbb740e741992ff39b9e
PDF
Publication pagee19fa8571f192f414b2f862951bb26d3c97835b68355cbe8feed41b04db4298b
Manifest2381b306d4039d3a9e01cdb7cc8d977180cf6300a4c54c3f65444141d73b9691

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
Signature/0ng9L5xgiEzrG4t+HAv6niTeIGwQCVHBvkjsHidaCSsUQL1lVqeKkAAhhY8/X6WnAcKX7FB75GhDLOlQxatDA==
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

2026-09-17T09:54:46.701286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084828
observed e19fa8571f192f414b2f862951bb26d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:46.682362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084828/manifest.json
observed 2381b306d4039d3a9e01cdb7cc8d9771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:46.665785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084828/publication.md
observed a14f01556450a4e4460aa04d70ff42df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:46.647883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084828/publication.txt
observed 4eef67f9472014e2506b404e6b1d8cb6...
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.