OpenTechnical

OT-2026-000067833

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000067833) never changes.

Identity and time

Publication numberOT-2026-000067833 · never reused
Internal UUID01a0ae8f-c4fb-7ee6-8700-179321e5ca6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067833
StatusPUBLIC

Content hashes

Canonical textf80a3daf0b9c74ff0ce1badf67460d3c4cad6f49cf6d2544177485b7c49917d2
Markdownbf7a3c1d94e834ab232b4fe38836163063409b6df96ad7f67d35871889079988
PDF
Publication page899ce93394e5effe283d2d872f436e60fcab2d17756d3dfe94a5f4ea109ad611
Manifest060b1c2b045835ab2e51e8fa5a9106aebf96c3dd74dea22b8717778978be54ed

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
SignaturesBB+efmnpud3HAubE9MKtjgE87t8wYVpGPp8OJgfg+f4qtVbmWxHWgpiLbLA4nl4OsaBZkGKnKTt1sDBI0d6Bw==
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

2026-09-17T10:30:05.194947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067833
observed 899ce93394e5effe283d2d872f436e60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.176274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067833/manifest.json
observed 060b1c2b045835ab2e51e8fa5a9106ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.158554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067833/publication.md
observed bf7a3c1d94e834ab232b4fe388361630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:05.133670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067833/publication.txt
observed f80a3daf0b9c74ff0ce1badf67460d3c...
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.