OpenTechnical

OT-2026-000018150

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000018150) never changes.

Identity and time

Publication numberOT-2026-000018150 · never reused
Internal UUID01a0ae6e-b488-7ec2-84bd-58b0de0e351b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018150
StatusPUBLIC

Content hashes

Canonical text5d337b78c79900c01a009ff66248328ec2107b60786f1f3103dd85f8d6cb9733
Markdown359a26a2049089939c57d746f06764b345b89e53436c423fbcd2ba5362d31bc2
PDF
Publication page7f83ed5ff5654c0fb8eb139a9c68a47ff04a9a230e019b15f06773cb31c92b8b
Manifest66b4311ace539f4e099385df7f8244f5a65f211a72eddf831d0c50b0c3cdb90c

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
SignatureIF5fh3xAuKr6Yws+YtV8CzAzR2c/Jm++pw3QyP0EV6z3PiOJqLADzTzAKou6cl8sMUtiIn7PK2lUFFnO8NX5DA==
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

2026-09-17T11:59:54.030944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018150
observed 7f83ed5ff5654c0fb8eb139a9c68a47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:54.012754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018150/manifest.json
observed 66b4311ace539f4e099385df7f8244f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.996189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018150/publication.md
observed 359a26a2049089939c57d746f06764b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:53.978663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018150/publication.txt
observed 5d337b78c79900c01a009ff66248328e...
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.