OpenTechnical

OT-2026-000029542

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line 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-2026-000029542) never changes.

Identity and time

Publication numberOT-2026-000029542 · never reused
Internal UUID01a0ae73-5e21-72fc-94d8-bf5a5a6350ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029542
StatusPUBLIC

Content hashes

Canonical text226646a4299c9300ab0cd1ad39fabc4aca30b590217ef90c3e444b412ba7e7f0
Markdown936e2d53e48bdbeda2ad2ca75dbc7ed7edd1ed72842e1975d73989e6d8102a2a
PDF
Publication pageef1b902a385bf5a6a8d66c2f07514a47dbad816b0dd536c40e1eab73bbad1061
Manifestd8c4198ec5fca6402faa8891bbb7600ef7e73f32168ecfede68b8a5eaa40a8bb

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
Signaturec3dtXvG3zDOeeh+qQlpdQN/y1xgAMJkT/1SU5piykvXfhfxapYlZQMQCPqfssC2K0Gq77+NDQs+Wc1V9rNeRCw==
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

2026-09-17T11:39:11.756472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029542
observed ef1b902a385bf5a6a8d66c2f07514a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.738920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029542/manifest.json
observed d8c4198ec5fca6402faa8891bbb7600e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.719045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029542/publication.md
observed 936e2d53e48bdbeda2ad2ca75dbc7ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:11.698577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029542/publication.txt
observed 226646a4299c9300ab0cd1ad39fabc4a...
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.