OpenTechnical

OT-2026-000089222

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line 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-2026-000089222) never changes.

Identity and time

Publication numberOT-2026-000089222 · never reused
Internal UUID01a0ae9b-db00-78ff-b959-d07d0254eb81 · 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-2026-000089222
StatusPUBLIC

Content hashes

Canonical text589bd37339eb335378b8af453af47fafa5eeaaffe3412418ef74ef01122f55dd
Markdown514cab9942e788e010bf8e2f679ab0e919e6c9b4fdc812705bb60a25dbd491a0
PDF
Publication pagefe30b04a91704eb6256989cf79690301de0778522b77d46406907ea37e242feb
Manifestbf486f1cfff11fb6e24edc0873ae991c6d0fee259faa731b68aae792bfdb66b8

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
SignatureUKQmYd1lABQfYiPBvEcO/+isnmOasSVZob0zBJZbra0yYE4gQtY69aidbwZFElCbsK4E8Ybc4If6Wl078H93DA==
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

2026-09-17T09:47:14.814045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089222
observed fe30b04a91704eb6256989cf79690301...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.795387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089222/manifest.json
observed bf486f1cfff11fb6e24edc0873ae991c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.763149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089222/publication.md
observed 514cab9942e788e010bf8e2f679ab0e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:14.717031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089222/publication.txt
observed 589bd37339eb335378b8af453af47faf...
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.