OpenTechnical

OT-2026-000050085

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained blow-off after 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-2026-000050085) never changes.

Identity and time

Publication numberOT-2026-000050085 · never reused
Internal UUID01a0ae81-fd79-77b1-b02f-4ab86e2524ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050085
StatusPUBLIC

Content hashes

Canonical text0ca0677dc3151730ef5075c4404e0699ed8831c802714779758e616771dc73a3
Markdown7502bbf739717c364df589d61c955b6650867c9795d11eb066389ab057be1d10
PDF
Publication pagefdd713ecbba335cece6cad9cf564b7cd44b1193ba34fddabae72922deee32f95
Manifest8c049c2a2ec18708c47b6ebc814bacb6bd961da6b9fe34b26a00ae562336f095

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
SignatureFhrnWPgnpApb8IYTm5YTfiEJdhVShnGOuvYxkm+ZQQNbdhLzBv481U2x5DW6t2TcZwtV/7UYE8BHZ8ntpBSYCg==
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

2026-09-17T11:02:04.850280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050085
observed fdd713ecbba335cece6cad9cf564b7cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.833186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050085/manifest.json
observed 8c049c2a2ec18708c47b6ebc814bacb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.813715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050085/publication.md
observed 7502bbf739717c364df589d61c955b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:04.795216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050085/publication.txt
observed 0ca0677dc3151730ef5075c4404e0699...
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.