OpenTechnical

OT-2026-000070056

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000070056) never changes.

Identity and time

Publication numberOT-2026-000070056 · never reused
Internal UUID01a0ae91-1861-71b0-b239-4a6eccc2f049 · 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-2026-000070056
StatusPUBLIC

Content hashes

Canonical text7795b38de840d17feb13c7987295cea7b48a0bef120792244f5f4a3172209d4e
Markdownc2eb3aa131229744968f7ce051fea56e3a5078e64d3045da301bdc37e468dced
PDF
Publication page386286f608037a2c66b0cacd872d8c129f542be7d78d869d2f3bf25baf785eba
Manifestfe629d2251788e6c2440c139f02a09a0aae217c7a0417936441f9ad621290aae

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
SignaturenhRItkKf2bY8rLffXqOpWx/cbRUzJXs/N1Foub3VMCRSkn//doShuRlQadnU9ZqrboQXn7F8zjyfVu2N2LIDCw==
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

2026-09-17T10:27:00.822884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070056
observed 386286f608037a2c66b0cacd872d8c12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.803623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070056/manifest.json
observed fe629d2251788e6c2440c139f02a09a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.785956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070056/publication.md
observed c2eb3aa131229744968f7ce051fea56e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:00.769338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070056/publication.txt
observed 7795b38de840d17feb13c7987295cea7...
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.