OpenTechnical

OT-2026-000047571

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000047571) never changes.

Identity and time

Publication numberOT-2026-000047571 · never reused
Internal UUID01a0ae7f-3e59-7d53-935a-8df65293b574 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047571
StatusPUBLIC

Content hashes

Canonical textaf24eb1d7f13d47876214c130345838f022e5c1cbaa551efa5080ea370be098b
Markdown7fdcf42e3e7ce5959a1a70879e882f18ae7485050d5f036fd573f64e9b6e3a13
PDF
Publication pagea906815baf1609832c2befc3e5737a5a541bfb58f7a4940f5f0d04c2ef02a7b8
Manifest8c4376dbb07d192c2344d23d5b68930d52d686ebc8e2868ab3456e07f1187df9

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
Signature8Af3fhYUoS2yn7xWXguecwnAqVqmD1FW2V4AkwIvUJHj0LFfjs1DD0ztDOgS6EnjnVcvI7eZmiN2UymEv1I/BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:06:41.808097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047571
observed a906815baf1609832c2befc3e5737a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.790687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047571/manifest.json
observed 8c4376dbb07d192c2344d23d5b68930d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.771650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047571/publication.md
observed 7fdcf42e3e7ce5959a1a70879e882f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:41.752865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047571/publication.txt
observed af24eb1d7f13d47876214c130345838f...
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.