OpenTechnical

OT-2026-000100222

Publication integrity record

Four bellows 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-2026-000100222) never changes.

Identity and time

Publication numberOT-2026-000100222 · never reused
Internal UUID01a0aea3-3053-788b-9ddb-b5a1fa004de7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100222
StatusPUBLIC

Content hashes

Canonical texteac0c464c2321ff933938342fea99082d3918a1032031f541aa29626db5ebe3b
Markdown3f335399512c77585d00cb77590f318eac52dfc8c5108237cc6709eddcbde29a
PDF
Publication paged0786afccdf2a25cfc96f181d4bfa979ad2e2fdb1b329b07508f4d6031d0c4c3
Manifestc8d99e0dd57cc4cee657bc55314681cf3b0048e7aa3cf11d7b24ed84f8473062

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
SignatureeOoX59NFKP2pXBE9SPsWMWe1fG/WfN1q8ESBY+SFScQOM2g1CVNZLuK23QaimQhfO59tehkOxQs/7IylLH0xBg==
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

2026-09-17T09:27:56.833596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100222
observed d0786afccdf2a25cfc96f181d4bfa979...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.814688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100222/manifest.json
observed c8d99e0dd57cc4cee657bc55314681cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.796256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100222/publication.md
observed 3f335399512c77585d00cb77590f318e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:56.779484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100222/publication.txt
observed eac0c464c2321ff933938342fea99082...
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.