OpenTechnical

OT-2026-000076695

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, pulsed 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-2026-000076695) never changes.

Identity and time

Publication numberOT-2026-000076695 · never reused
Internal UUID01a0ae94-b06f-70c5-9511-3fa6adc5248b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076695
StatusPUBLIC

Content hashes

Canonical text5298e91c1edbc91651e7cb620b572ca39750bed92218738445dd2ca499471ab6
Markdown3416bee93fecc032f96e2d3f148766c1633c34866463cef1072a20a5264e366a
PDF
Publication page942b5873b14a7d3647b19c2bc593b880e7025c24f7ecf94da54d668d834d0012
Manifestf04d548f1965ca2f406cd5f456fc3ac93caf109becbb7ba3c75fe87ce7c00d5a

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
SignatureEaIExqpBG0k45k88h5r8B25y/6OvSbwraS0uTSfbKTM6SkCxgy1QvVqfimQQHxS7s93ygZnGqWjjaOwFabuLAw==
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

2026-09-17T10:09:27.276607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076695
observed 942b5873b14a7d3647b19c2bc593b880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.258890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076695/manifest.json
observed f04d548f1965ca2f406cd5f456fc3ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.239331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076695/publication.md
observed 3416bee93fecc032f96e2d3f148766c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:27.220355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076695/publication.txt
observed 5298e91c1edbc91651e7cb620b572ca3...
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.