OpenTechnical

OT-2026-000069935

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000069935) never changes.

Identity and time

Publication numberOT-2026-000069935 · never reused
Internal UUID01a0ae91-1860-774c-9136-a70927c03d8e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069935
StatusPUBLIC

Content hashes

Canonical textc0d1bcb9dc3af1f39793840038d8745a67afc4e18fc72689b9f3fcd6760edecc
Markdown562aa7370db7a07e92ee7d5314cd6a92d89a32a1b4a0aa7562cfd297e83aa9fb
PDF
Publication page307ac0ab70343eca5a92a9f049d56fc7488023a834e8b7d76c4b61324ed258b0
Manifestba799465f91ce7778d7e138d1aaed7c0a21ae4955c1f622d928bae4d64d0803c

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
Signature2HWo8W6XgnFs4bvPs2q6SlZqkzYtVY3CRt0OUubpi+4njxdWlugVRc3SBQ2didocN5baXtDqrWTM17J8KndJAw==
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

2026-09-17T10:26:52.459324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069935
observed 307ac0ab70343eca5a92a9f049d56fc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.442979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069935/manifest.json
observed ba799465f91ce7778d7e138d1aaed7c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.427908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069935/publication.md
observed 562aa7370db7a07e92ee7d5314cd6a92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:52.412843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069935/publication.txt
observed c0d1bcb9dc3af1f39793840038d8745a...
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.