OpenTechnical

OT-2026-000039581

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000039581) never changes.

Identity and time

Publication numberOT-2026-000039581 · never reused
Internal UUID01a0ae78-d8d3-768a-99f2-d50ad1d4ef84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039581
StatusPUBLIC

Content hashes

Canonical text5bf23561095e5a267953bd69ba5a18710649a93dac9acb15557c23cae5e2e403
Markdowna9d430480032d281107854b1d6a275d50d05180e1dee6876e5d77fca2d019e69
PDF
Publication page25ce134fb0292b243eebf122442f4ac988d73125b311ef2d5b1292edffeab741
Manifest1e1d15d21c470f17f6f1a81fe8b2e2da60ac43ccf8a7f24bbb85bdce8536eda8

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
Signature4GbFbEXiSuv1qJX7kCHe8H9+sqAw3KGTQz9IQ3KJmjQGsuucmNmoG/69CDAxh19cFJK3b+XEo49TUaArF0ssAA==
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

2026-09-17T11:19:44.313694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039581
observed 25ce134fb0292b243eebf122442f4ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.296380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039581/manifest.json
observed 1e1d15d21c470f17f6f1a81fe8b2e2da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.279000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039581/publication.md
observed a9d430480032d281107854b1d6a275d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:44.260521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039581/publication.txt
observed 5bf23561095e5a267953bd69ba5a1871...
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.