OpenTechnical

OT-2026-000066963

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed blow-off before 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-2026-000066963) never changes.

Identity and time

Publication numberOT-2026-000066963 · never reused
Internal UUID01a0ae8f-14fd-709b-937b-3a39cda32ad8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066963
StatusPUBLIC

Content hashes

Canonical text1946e13ec81e13323513a7d880c20565b327c7f2a282d907e684540ef13854f5
Markdown5c1670be0d87d9962eb6d4c049a13a2c39d9db67ec7f7f87483c0a46c38ff301
PDF
Publication pagec863bd841e8b6e00831024ff20eeb31d507e57b3ff7342e3789a6d9f67f24d76
Manifest34716df525198625a4a8a4089a2b2631d29c392d5cca9c0d82b662dd9fb4fe2a

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
SignatureTfd4FF87PcTMsXgUs7INTbyRWAMtlzhv9UQYyLD9daKBEJnHJ6Oc1WVOgUuZFmj0cDOJw4VORNnZIRJZEZNcBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:10.909398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066963
observed c863bd841e8b6e00831024ff20eeb31d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.891541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066963/manifest.json
observed 34716df525198625a4a8a4089a2b2631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.871555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066963/publication.md
observed 5c1670be0d87d9962eb6d4c049a13a2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:10.852658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066963/publication.txt
observed 1946e13ec81e13323513a7d880c20565...
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.