OpenTechnical

OT-2026-000071761

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000071761) never changes.

Identity and time

Publication numberOT-2026-000071761 · never reused
Internal UUID01a0ae92-1e91-7e61-b7f4-d6a9efa150b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071761
StatusPUBLIC

Content hashes

Canonical text1e11d63e530992fe5656a8c43994e939a06558d782910fbb8d69866649890021
Markdown5ba5699a7dbe58e7cad61cef7c304bd8c482c44e4a0850cad21eca5b37db8774
PDF
Publication pagef264c4adc3042eefb8f1663594b980357b2bcceec4c76856efaa52afcf1e394a
Manifest14c65597f013d28505d1c34c455712734932768d7e205c1370d9ba435e4282c6

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
SignaturefhHfhDuzc9mDaLPibZlBVv3a/wYyCSGcvYPc+2QJV354Vo7e8LzDXkJmYb8UP+5hJZhuVQvIMjlOk4RoCDn/DA==
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

2026-09-17T10:23:51.888775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071761
observed f264c4adc3042eefb8f1663594b98035...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:51.865848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071761/manifest.json
observed 14c65597f013d28505d1c34c45571273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:51.843169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071761/publication.md
observed 5ba5699a7dbe58e7cad61cef7c304bd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:51.818498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071761/publication.txt
observed 1e11d63e530992fe5656a8c43994e939...
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.