OpenTechnical

OT-2026-000086406

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, sustained blow-off 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-2026-000086406) never changes.

Identity and time

Publication numberOT-2026-000086406 · never reused
Internal UUID01a0ae9a-2c97-7f64-94ba-72e85ea4ee0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086406
StatusPUBLIC

Content hashes

Canonical text74d7f46f5e60366c58cfec189258d28213645b030602095726c068a7b93f4a0b
Markdown27802d2e79e7f82fd73133f5dedbdbd4bc606d01aa5e02527a678b4abfd356a7
PDF
Publication page50a92a124017d1c4354d4e85261acc06a07b52e8c5c3168691929f370f3d7f63
Manifest63083f33c1a48dd968f2112fa825932f0f053560bfd85187948ac28976bc754f

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
SignatureAxc9AzZEpJcPAxNdxwm8BtoGcsrJlOlc2dg+Vs5x2helG8y7qTKL6Ijq0mdmVYhbzfPwq6DI9rxUtz7i7Qg8Aw==
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

2026-09-17T09:52:11.724005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086406
observed 50a92a124017d1c4354d4e85261acc06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.703878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086406/manifest.json
observed 63083f33c1a48dd968f2112fa825932f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.686017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086406/publication.md
observed 27802d2e79e7f82fd73133f5dedbdbd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:11.668562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086406/publication.txt
observed 74d7f46f5e60366c58cfec189258d282...
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.