OpenTechnical

OT-2026-000089570

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off 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-2026-000089570) never changes.

Identity and time

Publication numberOT-2026-000089570 · never reused
Internal UUID01a0ae9c-1a21-73e1-9f8c-925a551526c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089570
StatusPUBLIC

Content hashes

Canonical textf6acbc6ca5eb1d011ca8edf4ef9e918bb51db667bdcad43a9b9cbd883e4acbed
Markdown85be250c670037e80853f1519509ccf401bdc624937efc6ba6d5bdcd23d623c8
PDF
Publication pagedd148f0ed0d75eff97dc8e85fa27153f364b0912cf17b83871ef217897f1c74d
Manifest86424bd9bb141807d8d9c2495186ffa7cb543475a4c3d3cf79cd69934d01a1cb

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
SignaturewAEkphgjnz1Vejla/0nXSZkhJtzTff81PTXfjI1QILGG+ShsrGh0BryXo8wXrrblpZpjAm6HrrWOZEswrpsyBA==
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

2026-09-17T09:46:32.671443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089570
observed dd148f0ed0d75eff97dc8e85fa27153f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.654383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089570/manifest.json
observed 86424bd9bb141807d8d9c2495186ffa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.638343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089570/publication.md
observed 85be250c670037e80853f1519509ccf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.618938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089570/publication.txt
observed f6acbc6ca5eb1d011ca8edf4ef9e918b...
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.