OpenTechnical

OT-2026-000084268

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000084268) never changes.

Identity and time

Publication numberOT-2026-000084268 · never reused
Internal UUID01a0ae98-5b60-7b3a-ab1f-23774657a9c2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084268
StatusPUBLIC

Content hashes

Canonical text1550453948f17f06f179ceb917371003a46efea9f37130842aee4997d3bff5c8
Markdown6fdee5f39ef36af41594e918a3063d4347322fc9ac253940f559ce871f1cf759
PDF
Publication pagef30b2c34df8520975fd49ef720d0971c6ed92d491bff684483a9493c2f6d6d71
Manifestc931b1c6e4cbe923680cc06e2257cd23a4a3b18a697210e10a1189687e7e1e40

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
SignaturehbTOAxHBwboUbATojXbYq0r32pl4QsFuiADb5tg+9Ywo8W97HkC05ydnMwk6DZlcHdk429EtJ6skY/jtfxhWCQ==
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

2026-09-17T09:56:11.021286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084268
observed f30b2c34df8520975fd49ef720d0971c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:11.002603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084268/manifest.json
observed c931b1c6e4cbe923680cc06e2257cd23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.982534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084268/publication.md
observed 6fdee5f39ef36af41594e918a3063d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:10.961529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084268/publication.txt
observed 1550453948f17f06f179ceb917371003...
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.