OpenTechnical

OT-2026-000086486

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000086486) never changes.

Identity and time

Publication numberOT-2026-000086486 · never reused
Internal UUID01a0ae9a-2c97-7feb-8367-ddaafede4d1a · 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-2026-000086486
StatusPUBLIC

Content hashes

Canonical text42fca21ff89c8168abdbca06892fa41e93a7272a37090a07f6aa1323f2e6d5e6
Markdown63d510513c8e4ceada42b2362f33dcb145576ef5defa7e1953f0632c36ad000b
PDF
Publication page369d890482f33bf9c05a86cbacca32a7e22d95a3e36f07ea09eeddd5bfb2a8da
Manifest8dd4d4150769c6c1b3a54e10faebcea854fa1127764ad379b502a30287bed086

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
SignatureTuhVM489iA3YZfn3ehUnOXgbsIFrZlskS92AKblVBCG42J76qyVeuGLS3kjdPKY9VhN/70YkENL6O3VG2oLGBA==
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

2026-09-17T09:52:17.934425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086486
observed 369d890482f33bf9c05a86cbacca32a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.913467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086486/manifest.json
observed 8dd4d4150769c6c1b3a54e10faebcea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.893604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086486/publication.md
observed 63d510513c8e4ceada42b2362f33dcb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:17.874220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086486/publication.txt
observed 42fca21ff89c8168abdbca06892fa41e...
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.