OpenTechnical

OT-2026-000038690

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000038690) never changes.

Identity and time

Publication numberOT-2026-000038690 · never reused
Internal UUID01a0ae78-769e-7c20-8517-f0c3623eed79 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038690
StatusPUBLIC

Content hashes

Canonical text4d04ac0960fc3620f90ecf9ed59443724b23f0352fd00b29452172959727030d
Markdownb5a38477cc43bd62fb7d08f99af53dbb79e6f5b4d946b502d61efdc7f0f84f18
PDF
Publication page5e7deb26fd7815602c060b633a9284c307ca0f31a3b23957485952367c81a8c4
Manifest16a9027e93b4f7629314ce2aa6316c5430ffe525dd880be056e182ddbae18f5e

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
Signature26JSM5QWzhgKRJQOgFBMpK5sZjaIxb7dFf4s0cfjT/H6Qlc+38JWjAJM3qflBD6AYORRvqoYSyO8KO0O7c9ZBg==
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

2026-09-17T11:21:12.254674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038690
observed 5e7deb26fd7815602c060b633a9284c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.235226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038690/manifest.json
observed 16a9027e93b4f7629314ce2aa6316c54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.213813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038690/publication.md
observed b5a38477cc43bd62fb7d08f99af53dbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:12.195539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038690/publication.txt
observed 4d04ac0960fc3620f90ecf9ed5944372...
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.