OpenTechnical

OT-2026-000098759

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000098759) never changes.

Identity and time

Publication numberOT-2026-000098759 · never reused
Internal UUID01a0aea2-42af-7b62-af82-00e823e3a1c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098759
StatusPUBLIC

Content hashes

Canonical text3a12651ad3662a364c4bb7bde1ec50bf84c249e5e8e3613d0240c5c956286f04
Markdown64f79b7f90ae55bd60608afb8e8e7a4260ca4b8ff62b572af6d0c7a5961da03b
PDF
Publication page4c2a9c159f8ef17ac05d9ded7706bdb0ea8b510c08e8a6f28e293462bbf2841c
Manifestb87834714d6e8c2b10b8343736940b84c3b33ef387697280ca0d05a66ed69589

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
SignaturerTXL3twiaw+/ePkVBvJf5yXNEftugKptQYpASyckP/Z0I+aiy9985as48XtXj++RhorCFuzmvVh20dKpVfqaBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:04.709025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098759
observed 4c2a9c159f8ef17ac05d9ded7706bdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:04.691685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098759/manifest.json
observed b87834714d6e8c2b10b8343736940b84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:04.673944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098759/publication.md
observed 64f79b7f90ae55bd60608afb8e8e7a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:04.657227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098759/publication.txt
observed 3a12651ad3662a364c4bb7bde1ec50bf...
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.