OpenTechnical

OT-2026-000033997

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, pulsed 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-2026-000033997) never changes.

Identity and time

Publication numberOT-2026-000033997 · never reused
Internal UUID01a0ae75-df0c-74cf-940a-3196d3e016b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033997
StatusPUBLIC

Content hashes

Canonical text22870850271e76810eb949238c54dd255495564c7827712e24eef7539e3a4875
Markdownc4be7cf32329fc6b0c9355522311436148e6d76b02d24596a80112560947ccad
PDF
Publication pageee0f0b72ad86069216c04c25ae1eca2d8b15e29999a7d79c83e6dad0fedcf335
Manifest3244f0e213f4a092a0c6c236f6950940f484c27e7b078bfd14cfe809687bed6e

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
SignaturetSWs9ZrgTBUHvJaUWBmW0hgDB6tJUZBksBwJGYdr7ZBA1HcI80ZEr6IKD58tw8yh0krV4lKWp4ZK2Z2N5EK8Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:12.518409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033997
observed ee0f0b72ad86069216c04c25ae1eca2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.498087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033997/manifest.json
observed 3244f0e213f4a092a0c6c236f6950940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.479272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033997/publication.md
observed c4be7cf32329fc6b0c93555223114361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:12.457193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033997/publication.txt
observed 22870850271e76810eb949238c54dd25...
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.