OpenTechnical

OT-2026-000083391

Publication integrity record

Three bellows cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000083391) never changes.

Identity and time

Publication numberOT-2026-000083391 · never reused
Internal UUID01a0ae97-c964-74bb-9547-52129833cdda · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083391
StatusPUBLIC

Content hashes

Canonical textb8974139e34fc75e953603cb093df7f3509072c0c540e12f9167846394d5f6f3
Markdownccf240e6d828f1640f33e1e0db3395ec4647be737519e12d633fde8c579e61f4
PDF
Publication page2234f62e1ed0f7b272183feb8bc5efa67a7bd261f457068aa3df396a471bb3b5
Manifest55aa561aa86dd1e1c1223358bc142b322e51a670686a269d38156b8e99b71bbb

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
SignatureJQgQaE7I3fkA6cNR+RvbTB8KtJ05SNMp1jcKVwghJ/RRYhbeY2d9VAWjizd8gyffi6MOlX4SRC7huLH+ilhWBw==
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

2026-09-17T10:00:50.602135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391
observed 2234f62e1ed0f7b272183feb8bc5efa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:50.570168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391/manifest.json
observed 55aa561aa86dd1e1c1223358bc142b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:50.535886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391/publication.md
observed ccf240e6d828f1640f33e1e0db3395ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:50.510859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391/publication.txt
observed b8974139e34fc75e953603cb093df7f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.876761ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391
observed 2234f62e1ed0f7b272183feb8bc5efa6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.860579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391/manifest.json
observed 55aa561aa86dd1e1c1223358bc142b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.844356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391/publication.md
observed ccf240e6d828f1640f33e1e0db3395ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:47.828319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083391/publication.txt
observed b8974139e34fc75e953603cb093df7f3...
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.