OpenTechnical

OT-2026-000009489

Publication integrity record

Single cup vacuum gripper, three stage ejector, supply line 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-2026-000009489) never changes.

Identity and time

Publication numberOT-2026-000009489 · never reused
Internal UUID01a0ae6b-7562-79cd-993a-ff6013a2685b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009489
StatusPUBLIC

Content hashes

Canonical text73aff6526e0e061433bf550a27a51e1960bba2007a90cdfa3ba57a1a9eaf36e4
Markdownf1a983e6d42e68e9b9dd1445514e00a742f7381b9515b5a47a1fa80b628f2706
PDF
Publication pagec2bcd0ba099c64ca5fc1f23dcff52e8b632287e3a77d0920ac1c046c8bd02510
Manifest976869c65f9b3ad9306ab8821926ceabcc3c9747546825cb259e4ead9f2d3790

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
SignaturegUuD/z0O6p+BcR/pDzPKrmDuSNRzrXu521QquKF+R0rJ4zmZoMpZW2IYpjBQD78Xl0RTX//3aMaCgYgPwGCaBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:16:53.464540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009489
observed c2bcd0ba099c64ca5fc1f23dcff52e8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.443887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009489/manifest.json
observed 976869c65f9b3ad9306ab8821926ceab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.425376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009489/publication.md
observed f1a983e6d42e68e9b9dd1445514e00a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.406978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009489/publication.txt
observed 73aff6526e0e061433bf550a27a51e19...
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.