OpenTechnical

OT-2026-000014679

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000014679) never changes.

Identity and time

Publication numberOT-2026-000014679 · never reused
Internal UUID01a0ae6d-d093-79ba-b845-a8a4345f9189 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014679
StatusPUBLIC

Content hashes

Canonical text32f7361154be159ff6973fb52d961a24cff7191ce0c1ffd11021b80be9292443
Markdownd28b6ac8806447d9118943693b2018e6308c2ee40c824ae2b146b662e123b51b
PDF
Publication page4793edd7786ea92b6cd725fb3f066537a57820ae9e12d1d2534b8d38e787cea8
Manifest296e53d51db3c3620c389d6c5d40d26ab051fe167d58735cd4deac4140d00c93

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
Signaturea79BtLCnpJirHF2tRAi11+IvJ9KPq94dMZQel8TggUFpzRkMfyIyGuupkG6wGAi7kTSEn/NolsKOx78A2VgHBQ==
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

2026-09-17T12:06:31.863513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014679
observed 4793edd7786ea92b6cd725fb3f066537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.843001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014679/manifest.json
observed 296e53d51db3c3620c389d6c5d40d26a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.824545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014679/publication.md
observed d28b6ac8806447d9118943693b2018e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:31.805433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014679/publication.txt
observed 32f7361154be159ff6973fb52d961a24...
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.