OpenTechnical

OT-2026-000034281

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000034281) never changes.

Identity and time

Publication numberOT-2026-000034281 · never reused
Internal UUID01a0ae75-df0d-713c-9588-4f6d1095083e · 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-2026-000034281
StatusPUBLIC

Content hashes

Canonical text1633f236ff6ca5a4fa23cdd8c12401092226103b983fefb95dbcb0735c0b9175
Markdown93c614bdcad58da8c76d1ad3edeb67aafc1e4e59056abf75f63125ea3ff0f0f8
PDF
Publication page3f20167b4eee6049b342b14f3fc9b23db95ee4314e1aed9afcb6d71f969b8bf4
Manifest3bf948e5a46c15cecf54d7c24217241c20ec2f3a11dc5cb77e498f435107f91f

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
SignatureN2SfjrOD/TejocfY9clZaZJCIZ61Neeor6EAtp4wmxJhnDinlT9K7YLzeAzVRzw9LEUVHsd9lUjVP4uxR0gXCQ==
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

2026-09-17T11:30:57.982489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034281
observed 3f20167b4eee6049b342b14f3fc9b23d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.966634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034281/manifest.json
observed 3bf948e5a46c15cecf54d7c24217241c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.949785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034281/publication.md
observed 93c614bdcad58da8c76d1ad3edeb67aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:57.931234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034281/publication.txt
observed 1633f236ff6ca5a4fa23cdd8c1240109...
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.