OpenTechnical

OT-2026-000086337

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, three stage ejector, 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-2026-000086337) never changes.

Identity and time

Publication numberOT-2026-000086337 · never reused
Internal UUID01a0ae9a-2c96-791b-889c-d2869e850a81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086337
StatusPUBLIC

Content hashes

Canonical text5e3ff115fc679c19049104b6ea000bf28afd71db76b430cf35fac79ac4e9192b
Markdownac4c6c0d727fa8c6033608c693fb2f18b2c510d9d246da3a391870046edf8331
PDF
Publication page2023c202f608913c969b07830cf239621e9b3c1e790a33e7e3cd0d003d64a5d1
Manifestb2ba2a3cbd3b5cb9804fe2d86315f36a9b40ea8027a81a406ea38460aa9892fa

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
SignatureymGum+PG1Hn9bnwXki3oNGAb2Q873kKKIi4sE1Y23I5cbJOKEOjaeFGtAaUsIHF1flfIKSqd9hh7lfnuD7lnAw==
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

2026-09-17T09:52:01.712649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086337
observed 2023c202f608913c969b07830cf23962...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.694014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086337/manifest.json
observed b2ba2a3cbd3b5cb9804fe2d86315f36a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.675779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086337/publication.md
observed ac4c6c0d727fa8c6033608c693fb2f18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:01.658277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086337/publication.txt
observed 5e3ff115fc679c19049104b6ea000bf2...
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.