OpenTechnical

OT-2026-000071551

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000071551) never changes.

Identity and time

Publication numberOT-2026-000071551 · never reused
Internal UUID01a0ae91-e0ee-7c73-862c-ec0bf38494fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071551
StatusPUBLIC

Content hashes

Canonical textdb7ea44bb7cfabcfe20d7adf4f33f7bc32430831ded1c156b9fe724f026e2384
Markdown182e03600fe40f03ca4bd8e67dd50b59b3efa9adda7987bd23367bb24c51362a
PDF
Publication pagee66fd69b38724094bcc5ed8bf366b626c15e38ea457d99a1abe5ca56c0815659
Manifestc466de9cdff1dddd8c3e16bebd144011f35c5aa6746340c89e64758e5db1b66c

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
SignatureKgYnZvUmO6mBWMLIOfgKAp8qAT4sMfb/p0jfNyJbzPIQobM0ETPi+byw/BOOfT0YoEDRkMYp7nZu0+SchRI6Cw==
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

2026-09-17T10:25:12.362531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071551
observed e66fd69b38724094bcc5ed8bf366b626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.344694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071551/manifest.json
observed c466de9cdff1dddd8c3e16bebd144011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.325274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071551/publication.md
observed 182e03600fe40f03ca4bd8e67dd50b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:12.306146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071551/publication.txt
observed db7ea44bb7cfabcfe20d7adf4f33f7bc...
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.