OpenTechnical

OT-2026-000085514

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000085514) never changes.

Identity and time

Publication numberOT-2026-000085514 · never reused
Internal UUID01a0ae99-aaac-7bae-8833-c27392cfccf3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085514
StatusPUBLIC

Content hashes

Canonical text1b45e0bc78b4690bf1a4488b14e6405b5415445be2df8a34928b39dbfb37802a
Markdowna7302eb078323e2e9fe0014933abbb9fff81fcd149c46315e957708502ca7715
PDF
Publication pagec6ad1ef5359bfd2044972eb0adf195cdd9c64181a5cbda73f8ea6f022bb2498c
Manifestb1eba0e6fcea03d006467e62b2aa6feb78b269c0a8752dbe7fd512cda7bed34b

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
Signaturegrah9mK3GEDL9YUhG03H75VShi2OspvTEOoMD8c3+9BsFEtHSGv1LgK1qzLBEoAf9j+C9E0xnVK5nRdFiex8DQ==
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

2026-09-17T09:54:19.340181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085514
observed c6ad1ef5359bfd2044972eb0adf195cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.324657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085514/manifest.json
observed b1eba0e6fcea03d006467e62b2aa6feb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.306458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085514/publication.md
observed a7302eb078323e2e9fe0014933abbb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:19.290114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085514/publication.txt
observed 1b45e0bc78b4690bf1a4488b14e6405b...
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.