OpenTechnical

OT-2026-000068749

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000068749) never changes.

Identity and time

Publication numberOT-2026-000068749 · never reused
Internal UUID01a0ae90-6dcb-7c82-9c21-450688c42355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068749
StatusPUBLIC

Content hashes

Canonical textebd710ee3d1f1f24165bf25fd3a994f3c8a4b5a674420dbb52fb8884d2183cf4
Markdown0406798f80f59e7cc8bdc75c90abe3459efc1ade59793beb99ece7449427b283
PDF
Publication page1381a79590466ecf4c17a13e209cbacf6336df462fce8256c4f93870b9ba5819
Manifestf8b2f89b50b83211d8a7b7f22fc6022abdef92f37489b0a300cda56d1f0f6252

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
SignatureYuUcX9+3vaAlk0/F0rPANVdH3wJ01rOvE9jfJi7ekcJUuDQiI52bx2Z0wPKp3bc35BmXf1s1UYfb0jtjLzUhBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:31.780290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068749
observed 1381a79590466ecf4c17a13e209cbacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.763137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068749/manifest.json
observed f8b2f89b50b83211d8a7b7f22fc6022a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.747659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068749/publication.md
observed 0406798f80f59e7cc8bdc75c90abe345...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:31.730639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068749/publication.txt
observed ebd710ee3d1f1f24165bf25fd3a994f3...
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.