OpenTechnical

OT-2026-000067295

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000067295) never changes.

Identity and time

Publication numberOT-2026-000067295 · never reused
Internal UUID01a0ae8f-6bd6-77a7-8b92-91d88115a5ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067295
StatusPUBLIC

Content hashes

Canonical textb29d1698a80815d1c6d03d3b168142e019330adb1069fe725aed8691eadfc35d
Markdown5c4dc8c035cd1c9a3a92fa2e79a63e299c2345038bf8636a7e18804834d7baf0
PDF
Publication page38647508a3ba9bede2d76bb5f9d6d739c966c1cef0da630da841b00ddeda826f
Manifesta4375c83ede7b1a9b2202d40826cf66cc3b63a2ff080e2497a61f598c04076bf

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
SignaturerkCN7n1sBfyT91GchJHFXOFwkfmmv9zRdYyAP1dPI0TgMbZmZ/18tnQqM8iWkiMoyufZNfOLAA060FwTYPsTDA==
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

2026-09-17T10:30:58.829086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067295
observed 38647508a3ba9bede2d76bb5f9d6d739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.812817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067295/manifest.json
observed a4375c83ede7b1a9b2202d40826cf66c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.795361ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067295/publication.md
observed 5c4dc8c035cd1c9a3a92fa2e79a63e29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:58.777582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067295/publication.txt
observed b29d1698a80815d1c6d03d3b168142e0...
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.