OpenTechnical

OT-2026-000048491

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000048491) never changes.

Identity and time

Publication numberOT-2026-000048491 · never reused
Internal UUID01a0ae80-4de5-7131-b48b-786e531ba225 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048491
StatusPUBLIC

Content hashes

Canonical text666ae4bb8dd3653db6b36f56264c492564d7cfbc109057af8c283e617ea6eb0c
Markdownb037e0fecf85745fcf424d404476f899c434da072e52fdeaa11a0aee81c7a963
PDF
Publication pagee5222fef6bb2537e8174362f16ee5f256762cee8f053973fd85b0f851d6c2491
Manifesta39cb1a0d2d74522b20c4654cc0c9a715498b5bc352245413f15d56412e3b84e

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
SignaturehHEVkl1rewVIkKyU8YEpAp0GkdgbTsSKg4t0dSuvlEg+Dv/oJRAskfSpfosljUjPa9B/tZHw14mDzNhIUbi7Cg==
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

2026-09-17T11:05:09.686899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048491
observed e5222fef6bb2537e8174362f16ee5f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.669768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048491/manifest.json
observed a39cb1a0d2d74522b20c4654cc0c9a71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.649031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048491/publication.md
observed b037e0fecf85745fcf424d404476f899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:09.629439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048491/publication.txt
observed 666ae4bb8dd3653db6b36f56264c4925...
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.