OpenTechnical

OT-2026-000048799

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two 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-2026-000048799) never changes.

Identity and time

Publication numberOT-2026-000048799 · never reused
Internal UUID01a0ae80-c32d-7f22-a805-d416b1f3d675 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048799
StatusPUBLIC

Content hashes

Canonical text86d42343a7da3bf467ab4cfd5ae44daa5f593541f27c8d0c25a4cd7579db756b
Markdown51b755fb624562f4ed52e1c2052ece787f91f85d3ca2ef670fb35c7a75c7a779
PDF
Publication pagedc5cf870953021ed1475e48be4a10b6bd335ac566e4af7bc396a66097005f7c7
Manifestc301131b32741130cd16b55a11b875b9403b62bcf66f30c56276a79ed7b1350a

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
Signaturer3bkfHnPIrEiIIOaHOG633Dr28vRZacke8xLW8/traHeHJEWl6n7b0M20j0z2zoqLFKaTntGzb+52HhvC8CbBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:04:30.782688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048799
observed dc5cf870953021ed1475e48be4a10b6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:30.754968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048799/manifest.json
observed c301131b32741130cd16b55a11b875b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:30.727845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048799/publication.md
observed 51b755fb624562f4ed52e1c2052ece78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:30.705157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048799/publication.txt
observed 86d42343a7da3bf467ab4cfd5ae44daa...
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.