OpenTechnical

OT-2026-000095476

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000095476) never changes.

Identity and time

Publication numberOT-2026-000095476 · never reused
Internal UUID01a0ae9f-8f73-7146-bc8a-8ac3c70653d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095476
StatusPUBLIC

Content hashes

Canonical text4c19e9fe93c942b297975bea198a7048f16153ebbaf89f9c06d3755ca940f8ce
Markdown31e64635e40928a00c02060761e469f07b72a28252bb9ef2dcb6f9152197d0b6
PDF
Publication page11375785aac3a3c3dfe39b27ee9b9f72479cfd992d1d3626da7c8b4e982b2db6
Manifest1698835ce9ab5ad9928a7c35ce4a33725539a3cf6252dcb4931069f9426f89e7

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
SignaturexItTQj4Xmd5ir8BbYUp0OPY99/mkkwb6dYbhbIxK70lq/EAHOVTPm+K29xKXxnBQ69D691z10MVgWGQkCT0FAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:36:23.252038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095476
observed 11375785aac3a3c3dfe39b27ee9b9f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.233788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095476/manifest.json
observed 1698835ce9ab5ad9928a7c35ce4a3372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.213795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095476/publication.md
observed 31e64635e40928a00c02060761e469f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:23.194498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095476/publication.txt
observed 4c19e9fe93c942b297975bea198a7048...
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.