OpenTechnical

OT-2026-000019277

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, 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-2026-000019277) never changes.

Identity and time

Publication numberOT-2026-000019277 · never reused
Internal UUID01a0ae6e-f392-7174-906f-b5235bf00d1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019277
StatusPUBLIC

Content hashes

Canonical text387823aaac04f36ddec4d46f7c8bd7b032380a0f091b42f04f30e2db02ee565f
Markdown18b090892c9528a9cd01d3fb2dd01f27f28f666e439f7c5264cd285cb9091efc
PDF
Publication pagefda9a59b93646bfe8fcbfdecf8d017f1a309cf865312752710ab279ef07391bc
Manifest6b0e5a2a60c489fa3b096d5bce505be97c9c43927b75b8370e834907e520dba4

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
SignaturepfwvjB75v8jCAfWiHV770YbKL4SfSVez0jlkx8AN6A0YopdWBF/3C7O8s0mDb1jXo4BGOATZENpVhi3LzrRaCg==
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

2026-09-17T11:58:37.605197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019277
observed fda9a59b93646bfe8fcbfdecf8d017f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.586368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019277/manifest.json
observed 6b0e5a2a60c489fa3b096d5bce505be9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.566019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019277/publication.md
observed 18b090892c9528a9cd01d3fb2dd01f27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.547553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019277/publication.txt
observed 387823aaac04f36ddec4d46f7c8bd7b0...
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.