OpenTechnical

OT-2026-000070054

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented before set-down

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-2026-000070054) never changes.

Identity and time

Publication numberOT-2026-000070054 · never reused
Internal UUID01a0ae91-1861-7f1e-9f34-f5b3063330e8 · 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-2026-000070054
StatusPUBLIC

Content hashes

Canonical textf87e8d351741a5bc1ddf587fa37036f4a148878941f474212b1b4db919c2be6f
Markdownaa104ecb02368ca25f103892097902b9fc85e866d869e710ea8a7a481f19ae79
PDF
Publication page9747a9de253225f8681b5f835642b7cacc058a45eb4063c5625645a6a3b23cd1
Manifestd98c6baeeb69840706eb8ed0480c1619fe741579173a6c505bdfdcf48a0d51fe

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
Signature8FnKPlbpP7S+habghLrHYkeEOUqcj0zzuln160h2eiWTmzS3QOUjOPvnz8WSkUaLA+QNuB+X6+LDQv0HAJ1cCQ==
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

2026-09-17T10:27:00.681184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070054
observed 9747a9de253225f8681b5f835642b7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.664074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070054/manifest.json
observed d98c6baeeb69840706eb8ed0480c1619...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.645569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070054/publication.md
observed aa104ecb02368ca25f103892097902b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.627752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070054/publication.txt
observed f87e8d351741a5bc1ddf587fa37036f4...
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.