OpenTechnical

OT-2026-000069790

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000069790) never changes.

Identity and time

Publication numberOT-2026-000069790 · never reused
Internal UUID01a0ae91-185f-7b99-bf5b-134e6d945f72 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069790
StatusPUBLIC

Content hashes

Canonical text582a42944bfac8062f0071e3d9ac1985c720dd1849e4c836f8a2b1788c6f34fa
Markdowna9809f76c713ebb235eb0d550396bc2ff534e0dbf3f807ceaef751284606249a
PDF
Publication pageab9834b50bee8772bfa5672e3fe8c888884e58c35b95e5b4e38dd6d5c38c1416
Manifest6007b326a887578824f7b2d8eb89aad1f75a558dd9135a8d03516d7b9e882ec2

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
SignatureAevDKA2r659V6WstA/60fxxJce8yrINN//jfptrxizieLuD8XFyLp7OmHKA1i3fNr6wRC0sD6arjL6BcmcweDA==
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

2026-09-17T10:26:37.309462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069790
observed ab9834b50bee8772bfa5672e3fe8c888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.292680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069790/manifest.json
observed 6007b326a887578824f7b2d8eb89aad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.274591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069790/publication.md
observed a9809f76c713ebb235eb0d550396bc2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:37.256900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069790/publication.txt
observed 582a42944bfac8062f0071e3d9ac1985...
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.