OpenTechnical

OT-2026-000090762

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000090762) never changes.

Identity and time

Publication numberOT-2026-000090762 · never reused
Internal UUID01a0ae9c-7f31-7dbe-879e-a418533f909c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090762
StatusPUBLIC

Content hashes

Canonical text5ae33cb0622d4ca777aa2687d3596a15e3606079016dd41ce59ccf829a39c65a
Markdownc3f16a48d26e32c12092cb399957e2e7908f966666ef5edc57484ea7370c355d
PDF
Publication page3551a2c1957e3bfed45496f1962c667424351d7670561cfa57b032621383b055
Manifest02ad0cf9e91a266d401ea086b4165fda36ac2066749b84297307474731855e57

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
Signature5LSrrKDkZOtVQ0iR05OCGHZf8wSjvxd8HpDTo0FWnar4MR+IekIRo7UsT3WVmxasFT7+Xn9uF3OGvmw5lUS3DA==
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

2026-09-17T09:44:57.544803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090762
observed 3551a2c1957e3bfed45496f1962c6674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.524357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090762/manifest.json
observed 02ad0cf9e91a266d401ea086b4165fda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.506005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090762/publication.md
observed c3f16a48d26e32c12092cb399957e2e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:57.486411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090762/publication.txt
observed 5ae33cb0622d4ca777aa2687d3596a15...
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.