OpenTechnical

OT-2026-000089922

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000089922) never changes.

Identity and time

Publication numberOT-2026-000089922 · never reused
Internal UUID01a0ae9c-428d-7479-adef-08f783944993 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089922
StatusPUBLIC

Content hashes

Canonical textc811df8a0f3d5af90f045e9c0d1fe37a8fca09a4c6a33d783b87af7f18855370
Markdowne9deef197b0f063e05bee39988f500f8d05b0c91128591d4bd7bfb28896e82be
PDF
Publication page89283232db6015077730c78b088e9b4629460ec575b72959098b5f9bd259e4f7
Manifest7872abf44271860a24354fd1cfaa5d43adf852f9e196791c956826dcedf8d179

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
SignatureMlDhwOxXFofBKz59piA7hcIhV5jQiK6lAsAP+NQ9bh9exKCHakYZuN2SUKWfvDgsRHMdT1KQ0FQrz0Yqx4hZDg==
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

2026-09-17T09:45:11.764495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089922
observed 89283232db6015077730c78b088e9b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.745329ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089922/manifest.json
observed 7872abf44271860a24354fd1cfaa5d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.723965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089922/publication.md
observed e9deef197b0f063e05bee39988f500f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:11.702134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089922/publication.txt
observed c811df8a0f3d5af90f045e9c0d1fe37a...
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.