OpenTechnical

OT-2026-000027026

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000027026) never changes.

Identity and time

Publication numberOT-2026-000027026 · never reused
Internal UUID01a0ae72-3453-7159-95b2-3fa351f8cb63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027026
StatusPUBLIC

Content hashes

Canonical text303bfc459d2cdbb50ed3bb2aad33d563723070ad893133a42d0f496ebe8aa2cc
Markdowncf7d9cf38bc0020c5746d0d47adac6ee14e0419638b5d854fc2b51da20b375eb
PDF
Publication page480795a3155b892df095881a40726c6e7cc13705f623fed63c0abf6ec199fae0
Manifest2ae30d23042070ac46d9999024313073d2f7a61f4bb517c1c8a357b163efd871

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
SignatureaKW735rFPkdKFh5lgBzCC0Byyx7KvtxiWuoyaLO5tz5dRvfRyBMMzv6svFrJiru8QQ2/IM1OoE13Xf70TEV9DQ==
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

2026-09-17T11:43:46.688415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027026
observed 480795a3155b892df095881a40726c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.671494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027026/manifest.json
observed 2ae30d23042070ac46d9999024313073...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.654619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027026/publication.md
observed cf7d9cf38bc0020c5746d0d47adac6ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:46.637145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027026/publication.txt
observed 303bfc459d2cdbb50ed3bb2aad33d563...
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.