OpenTechnical

OT-2026-000081096

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after set-down

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-2026-000081096) never changes.

Identity and time

Publication numberOT-2026-000081096 · never reused
Internal UUID01a0ae96-b977-7d26-9f5c-c6924ec25d16 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081096
StatusPUBLIC

Content hashes

Canonical text90a9a9eac51b893d098c14e1db2d84e71031754afe74d8387ee9e22e4632858c
Markdown8e5b63fbebf6d2d199b242290bda82bc14d160cd6f2851dec347177d55422977
PDF
Publication pagec88ba48a6efefed93041d071209e1c41a1463a5c55cc8dc12760087b3924a4ca
Manifesta6bb18b51737453ef91ad2cd0a98e7ba6111ce59ec3475ebfe600537e3096937

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
SignatureCRKvxFZQ0MMIhMH8wVDkX/8/TOVW5X5EduFdPnPhjovTo1+6gnX37oLyIPsqoxUiLg6WKjO+a5r9dGQ3UXe6Cw==
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

2026-09-17T10:02:24.086960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081096
observed c88ba48a6efefed93041d071209e1c41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.068760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081096/manifest.json
observed a6bb18b51737453ef91ad2cd0a98e7ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.052895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081096/publication.md
observed 8e5b63fbebf6d2d199b242290bda82bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:24.036085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081096/publication.txt
observed 90a9a9eac51b893d098c14e1db2d84e7...
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.