OpenTechnical

OT-2026-000083444

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000083444) never changes.

Identity and time

Publication numberOT-2026-000083444 · never reused
Internal UUID01a0ae97-c965-74b1-864e-67511f78dc18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083444
StatusPUBLIC

Content hashes

Canonical text0e261b74dbced4f13398be21fb24bc2395efa4685e3aa30e809a9b450384b106
Markdown49241994a9ea5b12094d1fbfa66c2ba2602d8d48c763eced5061e486f33cb347
PDF
Publication page5ae7c659a93b9354b07a97ebd69a88605307d424ec63daab1bcc52529d2d60ae
Manifeste416c5ecac38d8cc1b5d1c1e27ba3b2d14f8af5930ddbcccafe51e3bd805023a

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
SignatureimlKZyJ2dS0cTUe3V4EuXNM8WNxMHiBddPxEaI0d28gbI6Vc+zggYTOR4qN+mxeY70Qn+luSkfDulKop0cVUDg==
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

2026-09-17T09:57:51.845950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083444
observed 5ae7c659a93b9354b07a97ebd69a8860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.829751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083444/manifest.json
observed e416c5ecac38d8cc1b5d1c1e27ba3b2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.813322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083444/publication.md
observed 49241994a9ea5b12094d1fbfa66c2ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.797883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083444/publication.txt
observed 0e261b74dbced4f13398be21fb24bc23...
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.