OpenTechnical

OT-2026-000068732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068732) never changes.

Identity and time

Publication numberOT-2026-000068732 · never reused
Internal UUID01a0ae90-6dca-70b4-850a-c1e4a6fd1fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068732
StatusPUBLIC

Content hashes

Canonical text240ac53b9a07736c295fdbe7adcd43b6e5684ed853209963c976d6b30439cf59
Markdownddf48a783a8a37754c838e47561f3902f65da45697cb832b9115fb12ad2a1ddd
PDF
Publication page6e24f69ac9da34f59717ade00ad8741941b0f9019e5432152e1619fbd36271be
Manifestcd700af8e50d2e720c9f5292404a9825859adf887bd9fecbc72ddfc8cba49844

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
SignaturegiCzpQ8XVR6edt4/CMAGI2Cd9we3Th2TbubFkkC40H5j9zuiwU/KZoBM8OCVV9ycgzTKUFJmxfLJlHihkLRdBg==
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

2026-09-17T10:28:30.479282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068732
observed 6e24f69ac9da34f59717ade00ad87419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.460783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068732/manifest.json
observed cd700af8e50d2e720c9f5292404a9825...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.441600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068732/publication.md
observed ddf48a783a8a37754c838e47561f3902...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.423142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068732/publication.txt
observed 240ac53b9a07736c295fdbe7adcd43b6...
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.