OpenTechnical

OT-2026-000015890

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000015890) never changes.

Identity and time

Publication numberOT-2026-000015890 · never reused
Internal UUID01a0ae6e-0c4c-7a0c-9390-54fcb30f87be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015890
StatusPUBLIC

Content hashes

Canonical text44fb71bf846c33181e6b8cfb22085d3c93fbe5de3a8782369ea7fb7bd5001375
Markdown6fe068b6bbcd7e31111e32f2bedb1d2d81993e94f337fb3d6d7ec25f517c45f7
PDF
Publication page3030f8a6bca63ffdf8b7e885d203c437f6bf953e4911a108cc5b1ccaf64fef56
Manifest2e0370c3b0cce0d92369e670d1fd572612c8ef8b05c01c086ae01bbdf9fce180

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
SignatureYqQAB5vlCTBiu95ty1bIuNpPz1Ucj6Ar7JWGHR34PqX5mHrs5mryz/iuDxplAvyXwxd6HzYjuAPnhhqOoz64Bg==
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

2026-09-17T12:05:20.702769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015890
observed 3030f8a6bca63ffdf8b7e885d203c437...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.681118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015890/manifest.json
observed 2e0370c3b0cce0d92369e670d1fd5726...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.660958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015890/publication.md
observed 6fe068b6bbcd7e31111e32f2bedb1d2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:20.639985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015890/publication.txt
observed 44fb71bf846c33181e6b8cfb22085d3c...
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.