OpenTechnical

OT-2026-000069980

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single 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-2026-000069980) never changes.

Identity and time

Publication numberOT-2026-000069980 · never reused
Internal UUID01a0ae91-1861-71d1-9de9-ec0d4a43c1fc · 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-2026-000069980
StatusPUBLIC

Content hashes

Canonical text6f99f30c22088f7fe82a036ff7f1d8c751b3f52c0d34c94d068e2df62f9b08a0
Markdownbe0e335f85944bc5f0d0cd59c7eb38240040627236f45708511af83c760d7a3a
PDF
Publication page9e6ff2a7f1b3862958a1a866c048a1ff4ffc4af42e27156df0b339ca3cde10c7
Manifest892006e5d49c1464a8884f21985a882b3942cce144892563ef3e034b8d8ca371

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
SignaturevgHkkpMLh07laCjjPXqw4Zmt2Od66l7zc2RN4W0dWzUxTZo9us5S3d8NAQhhxcv4AotnJxy9rukvq5yW42ggCg==
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

2026-09-17T10:26:55.439415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069980
observed 9e6ff2a7f1b3862958a1a866c048a1ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.420587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069980/manifest.json
observed 892006e5d49c1464a8884f21985a882b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.403068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069980/publication.md
observed be0e335f85944bc5f0d0cd59c7eb3824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:55.386493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069980/publication.txt
observed 6f99f30c22088f7fe82a036ff7f1d8c7...
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.