OpenTechnical

OT-2026-000084371

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000084371) never changes.

Identity and time

Publication numberOT-2026-000084371 · never reused
Internal UUID01a0ae98-5b62-7766-a340-3d60daae83b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084371
StatusPUBLIC

Content hashes

Canonical text486110e026d9735c19eadf84ec516f09adad79cb386e4da2d2f294d82ca48327
Markdown47d0fd90e63a0d5f872d40a7ad9ec5409607e2e271a6cb9e125ab91bad19fd3d
PDF
Publication page89ab912d730e22d2b641b4cbd51ea70bc9515ed07a7539fd1e9791b9b2bce49c
Manifest2e3326563d18ade2ca4120d6e595b787d7a23785c5e10d94c61ed2d30b23a37d

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
SignatureEBy+AAPiXXTXqaqEo+Cq+AVV7fCyrDCvBa8uhlAGlbyx1mnsVh72g4pObYtbKxnZnpUfCHp91kannXnqwVLEBA==
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

2026-09-17T09:56:18.559485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084371
observed 89ab912d730e22d2b641b4cbd51ea70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.543857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084371/manifest.json
observed 2e3326563d18ade2ca4120d6e595b787...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.525149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084371/publication.md
observed 47d0fd90e63a0d5f872d40a7ad9ec540...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:18.482670ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084371/publication.txt
observed 486110e026d9735c19eadf84ec516f09...
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.