OpenTechnical

OT-2026-000081674

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081674) never changes.

Identity and time

Publication numberOT-2026-000081674 · never reused
Internal UUID01a0ae97-0f73-7496-a41a-6d6c84aee7e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081674
StatusPUBLIC

Content hashes

Canonical text9407fde9b8512e18999316570578dacba7e25472446e54946f3a2298dc7c4c8f
Markdownf05ebab5999568c2c6899aaee700d10c387cb7d1169d734194fae0820dc09c5b
PDF
Publication page3d8a17fa12d53274d38ef3add6ce4208137ab1f1052b516d60c613d154cd47e3
Manifest541e34842319c1dd579f52aae2f9e51f7bd2202dc7668d26cd9b3cf2c78a54d9

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
Signature/I7onDsXXyXqt6ahzDsmSlCIrLdz+2Dz87s8hbh/MJwhkko1c3a4KkSfZSVIVphcOdwNNlr3slRty577DTQHDg==
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

2026-09-17T09:59:44.126672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081674
observed 3d8a17fa12d53274d38ef3add6ce4208...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.110114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081674/manifest.json
observed 541e34842319c1dd579f52aae2f9e51f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.092843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081674/publication.md
observed f05ebab5999568c2c6899aaee700d10c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:44.074314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081674/publication.txt
observed 9407fde9b8512e18999316570578dacb...
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.