OpenTechnical

OT-2026-000019374

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019374) never changes.

Identity and time

Publication numberOT-2026-000019374 · never reused
Internal UUID01a0ae6e-f392-75e6-a11c-59521672a56e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019374
StatusPUBLIC

Content hashes

Canonical texte44c221e0d1d58eb6e7ebafd0700d9829bcc05cb6532166f94a6bdca942e4b45
Markdown7eb7a8e4d8522cb9081760bba92d08fe0cb6948f4551aa015a44ed4809a0fdcf
PDF
Publication pagea39ef9e2bbc84a465f11a49f97eab9b6e948d9de6df1039b5251696e32a00f2e
Manifest9dadaa40e653b798e2def15995b76255d570e15ca64bdf32c7c9ea9105846a61

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
SignatureOqkzArBjRTi4Rk2fKvbnZCw1oZ3OWx1wnTaJYu1h47dxfq/ChZUmwjIkmdM04Eh5OgkkJlyGIQZeMdJpU1QWAw==
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

2026-09-17T11:58:45.418638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019374
observed a39ef9e2bbc84a465f11a49f97eab9b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.400557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019374/manifest.json
observed 9dadaa40e653b798e2def15995b76255...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.383201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019374/publication.md
observed 7eb7a8e4d8522cb9081760bba92d08fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:45.363514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019374/publication.txt
observed e44c221e0d1d58eb6e7ebafd0700d982...
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.