OpenTechnical

OT-2026-000050700

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after set-down

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-2026-000050700) never changes.

Identity and time

Publication numberOT-2026-000050700 · never reused
Internal UUID01a0ae82-c7b0-7f25-a442-8ad1c4cf2f95 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050700
StatusPUBLIC

Content hashes

Canonical text940b005a3a162ae77369b14eeb29653d54c02e3643a48a8f218f38af9001a2cb
Markdown9a87be3bad683e5de91a7e3efb02dd30bdad7532fcd83586033a0237bce932c7
PDF
Publication page90c894fb6189dc67f53956166d1680ed7ad3471421d13b80a2125c9305409605
Manifest314cabbea75889add53f47f4a167a40ea64edcfcdaf0573747a6ef8b0f5ab98f

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
Signature1dGzuPVG2QVOKhSIi2ebKWRBKvegW+9FsQgZdnpIjaWByXWKMi0jUtQb2Y1Ju0mclJ4zMrLtJpIuQvs3ywzDCg==
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

2026-09-17T10:59:24.893568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050700
observed 90c894fb6189dc67f53956166d1680ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.875809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050700/manifest.json
observed 314cabbea75889add53f47f4a167a40e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.858954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050700/publication.md
observed 9a87be3bad683e5de91a7e3efb02dd30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:24.838061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050700/publication.txt
observed 940b005a3a162ae77369b14eeb29653d...
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.