OpenTechnical

OT-2026-000006155

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, contact triggered, vented before set down

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-2026-000006155) never changes.

Identity and time

Publication numberOT-2026-000006155 · never reused
Internal UUID01a0a951-351d-7f96-899c-c923ef30d158 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:24:26.656092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006155
StatusPUBLIC

Content hashes

Canonical text90ec1dce2af272b7cef711fbe9678ae51020ca82a0d3cb107d12ff5e27a058c0
Markdown3dd26b04a2732fc7497dc6421ff70464ea96d75b2769b457b49f43c224ef557a
PDF
Publication page3bb7f69e760f0e9ae8f9c038de0e419af12e29767b1c5d8285518d4e06f0b03a
Manifest5a540d995b318d400ed61f80370832427575b3fe872290084a1523d42f3cc6b7

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
SignaturevbN21epB1WKhDCRAnZ4M0t05vv1AgmwrXxWYuzMQQemvyGeCylElG8lwtfJf5rSaqzkhuXRiJFAJsYziowAVDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:21.383055ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006155
observed 3bb7f69e760f0e9ae8f9c038de0e419a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.249544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006155/manifest.json
observed 5a540d995b318d400ed61f8037083242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.236479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006155/publication.md
observed 3dd26b04a2732fc7497dc6421ff70464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:21.223285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006155/publication.txt
observed 90ec1dce2af272b7cef711fbe9678ae5...
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.