OpenTechnical

OT-2026-000003576

Publication integrity record

Porous face vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, contact triggered

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-2026-000003576) never changes.

Identity and time

Publication numberOT-2026-000003576 · never reused
Internal UUID01a0a90a-6d19-7ea8-a154-16310d07edcd · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:07.931672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003576
StatusPUBLIC

Content hashes

Canonical text700d112ee59be89d63c9c9ef85670a4dfbc4f784163f6f0224c6f7d5e3b2aa99
Markdown512bf5e723b1a2b3586eb12c79eadde990f56b683340c329c5ef72257a7e6a66
PDF
Publication pageca96c21ce7c8aa4fb46aabe7219e4137563a68893a4dbec77601f619cbcdf3ca
Manifest5f0dc0aaf85dafea953bc50ae6d143ae36e7ea9b21a95cc456cbfd95165b80c0

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
SignatureZMbomOj/Qm0qFOWtrku7n6gO6WjazkU8fTho8cRe0SnroBoGVx4hu4LqHwEpDntNjWDyFo6pozbQSeUP6L5tDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:40:38.640942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003576
observed ca96c21ce7c8aa4fb46aabe7219e4137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:38.626529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003576/manifest.json
observed 5f0dc0aaf85dafea953bc50ae6d143ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:38.482096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003576/publication.md
observed 512bf5e723b1a2b3586eb12c79eadde9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:38.464676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003576/publication.txt
observed 700d112ee59be89d63c9c9ef85670a4d...
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.