OpenTechnical

OT-2026-000013984

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000013984) never changes.

Identity and time

Publication numberOT-2026-000013984 · never reused
Internal UUID01a0ae6d-8dea-76ab-a0df-e243da9eccb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013984
StatusPUBLIC

Content hashes

Canonical text9a2f9db52f9c2bd5dd3693d344852b19f5ba34e0736151162b4e32cb5a8b64b1
Markdownd22837142a90204b5148a64bb0da61039968c57823e16ddf81adeb5f6b0588e0
PDF
Publication pageff35025b30871ab5d5fe0215fab51f0dc58a73e075add3e1e490f5bb7cfa1f00
Manifestfda49d274befc56940a2f10599c48601cc1ca26cc11fe6d1726b17adb76de554

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
Signature+fJNKqHTJlxbluidGa2a/qJxGbw/fRaWZUtZehM4BpOkVVCW4l4nQkIPGbxZsMN0FjJOUPwz3mMq+fUM62zbBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:11.988630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013984
observed ff35025b30871ab5d5fe0215fab51f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.969985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013984/manifest.json
observed fda49d274befc56940a2f10599c48601...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.950095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013984/publication.md
observed d22837142a90204b5148a64bb0da6103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:11.931706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013984/publication.txt
observed 9a2f9db52f9c2bd5dd3693d344852b19...
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.