OpenTechnical

OT-2026-000089898

Publication integrity record

Four cup vacuum gripper, four zone face, four 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-2026-000089898) never changes.

Identity and time

Publication numberOT-2026-000089898 · never reused
Internal UUID01a0ae9c-428d-7d48-b748-585bc8202268 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089898
StatusPUBLIC

Content hashes

Canonical texta04d957b0975a56f7be399aa07e21e0287289989d516288e1100204acf27e5bf
Markdownd73645b8e9f5df11e289d13d251b01ab405cedd7fdc076fb03c02780bc1c9195
PDF
Publication pagea27570fc3acb66115e9109f1879daeed0cc00f42c6ad4fc6ff75a923c26bf7be
Manifest75953e998dc645a3c949c5597eee01a28c29286f873e4d2df2720ce4f54f697e

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
SignaturePa2Gym/FUc3mEHlZ7UHp8zAaDZFyuWLenr6K4AxsRNrUDu4+kh5RLgkznwkh8saDmDR5jzL7SFJIXufts1u3Dw==
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

2026-09-17T09:45:09.839182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089898
observed a27570fc3acb66115e9109f1879daeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.819346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089898/manifest.json
observed 75953e998dc645a3c949c5597eee01a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.800016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089898/publication.md
observed d73645b8e9f5df11e289d13d251b01ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:09.780738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089898/publication.txt
observed a04d957b0975a56f7be399aa07e21e02...
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.