OpenTechnical

OT-2026-000089999

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000089999) never changes.

Identity and time

Publication numberOT-2026-000089999 · never reused
Internal UUID01a0ae9c-428e-7fd4-b6a6-641555e87851 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089999
StatusPUBLIC

Content hashes

Canonical textde712a679b74d44c40612470d9b83fc9b30f06d42b9475af62b24ef812741cca
Markdown4135b6595de6c877beefc0ccd7507e15902a6a71bfa1742ce2088cdef0e1ee43
PDF
Publication page0f17efd3ab5951c43b4f69ee6f9627943f58964d6a410c99ad13850cd0224cb2
Manifest1b4f42e76d4004d0e94f4c4074811d6746ef570cf5911c209c866174c3028421

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
SignaturexQdzjd9UrXILbyoJlOtzSGjdnXlXjgLsYlY9tiJFKOZrXYV9sxZJnUGcGoVgfHDa/Wf+cZP1HVmBeaQl5ftyAw==
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

2026-09-17T09:45:23.439612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089999
observed 0f17efd3ab5951c43b4f69ee6f962794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.421376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089999/manifest.json
observed 1b4f42e76d4004d0e94f4c4074811d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.402032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089999/publication.md
observed 4135b6595de6c877beefc0ccd7507e15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.385121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089999/publication.txt
observed de712a679b74d44c40612470d9b83fc9...
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.