OpenTechnical

OT-2026-000081956

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000081956) never changes.

Identity and time

Publication numberOT-2026-000081956 · never reused
Internal UUID01a0ae97-0f77-7155-91ce-dcd545d871a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081956
StatusPUBLIC

Content hashes

Canonical textcad603ff921215009172552ec18ab35a701353fd1953ddd0426490307dddbc1e
Markdown8bb7616c6a0b823f36fcc32f239bdc4a46347fb10a881b417fb376efb61dc4f0
PDF
Publication page76173538fc1a7c6e1fe0d34f22badf96738392b48da84a0801ad5bcdac82e7da
Manifestfdf0def453bd8507ff803ff640c5fefff1fa75de5b70a30196c23be58fb9d3a0

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
Signaturez4FYy7EuRZCB+GN68uRDHGJaAV57+aIj9Kt71b5gD9zzMRmYToe0kf5Y6Op9qFcQZGhWkBReszJ7kVeWe1WKBA==
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

2026-09-17T10:01:05.517257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081956
observed 76173538fc1a7c6e1fe0d34f22badf96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.498401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081956/manifest.json
observed fdf0def453bd8507ff803ff640c5feff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.481236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081956/publication.md
observed 8bb7616c6a0b823f36fcc32f239bdc4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:05.464124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081956/publication.txt
observed cad603ff921215009172552ec18ab35a...
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.