OpenTechnical

OT-2026-000089317

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000089317) never changes.

Identity and time

Publication numberOT-2026-000089317 · never reused
Internal UUID01a0ae9b-db01-7398-bebd-eba80ae1de2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089317
StatusPUBLIC

Content hashes

Canonical text9dd9d35a6e40967081405b22e59e96d7d1fa9e8b1c3139812907ac8cbb54b810
Markdownf629f75250ca37c56f39e47865effd1bc016ae50c8c22142204c2ddc6104cf6b
PDF
Publication pagebbaf7186447cf0e43b49ae51d82fd90aa49c2aa241edfc5076109696ceaebd9b
Manifestf384b62ddef228a7010ae9b8a465b3647e03a92c5c7be99420deefde02785a76

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
SignaturemjJ8z8GkeA66LNzWdPxikSPWCU7FDAeDx5BkM9l+4lZC6GFz1L1+OWz8IVm/8Yfc/McJKI4M75GlT6aMgHstAw==
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

2026-09-17T09:47:22.091656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089317
observed bbaf7186447cf0e43b49ae51d82fd90a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.073821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089317/manifest.json
observed f384b62ddef228a7010ae9b8a465b364...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.057376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089317/publication.md
observed f629f75250ca37c56f39e47865effd1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:22.041266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089317/publication.txt
observed 9dd9d35a6e40967081405b22e59e96d7...
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.