OpenTechnical

OT-2026-000069209

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pressure sensor per zone, pulsed 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-2026-000069209) never changes.

Identity and time

Publication numberOT-2026-000069209 · never reused
Internal UUID01a0ae90-6dcf-7c4e-8bfa-1479ca4f74c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069209
StatusPUBLIC

Content hashes

Canonical text516272d4ca79262f64f55630cd2e242aa8e0935a5cd31a9294ec46abf64c0b39
Markdowna16ac8ed35173cea5f3b5023e70f02a8945608171b106db29a2aef4032ccbc17
PDF
Publication page251ab29f75fcafdc984ab46ff211eb98a64606dd9bb8fb51226e47801a7ae25c
Manifest4380115ac0a8207823bd9c7f901089be05c23efd477607e6fffff7c3e56c0458

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
SignaturekUJD7AujYrSVt0IxXpNn8Cs7nF3HF9R0N/WZVdvjRtXuwdUr8qutGA2FHqo7EOWlkKUNto9zqKrdjK2WBcZlDg==
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

2026-09-17T10:29:13.097865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069209
observed 251ab29f75fcafdc984ab46ff211eb98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.079975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069209/manifest.json
observed 4380115ac0a8207823bd9c7f901089be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.062450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069209/publication.md
observed a16ac8ed35173cea5f3b5023e70f02a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:13.045363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069209/publication.txt
observed 516272d4ca79262f64f55630cd2e242a...
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.