OpenTechnical

OT-2026-000039618

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000039618) never changes.

Identity and time

Publication numberOT-2026-000039618 · never reused
Internal UUID01a0ae78-d8d4-70c9-8f0e-175a45efe802 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039618
StatusPUBLIC

Content hashes

Canonical texte197ceac35fe83c9b81b37c4e35f8ae261c42536fd5e20e25efb24de428e6e69
Markdown83edaedb23ad091f8e7c59af85fae267fea8c7dbeb6e205fc095792e7e6a9e21
PDF
Publication page2a40d8e36ad83e739c5dfad76f073174ba615281ce35cdfc6a9e3683b70fb643
Manifest3df97e8ccde2763ed55f0b7225189acabadfa5bb66ac1b6f9cc7716c2baa9106

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
SignatureXN4Pv1fxw0zA3KfJ48zNblChSchryMPBW2zwPxRSZpAYLZvwLg8S6S0us4LTDBST0web1pzE4PIcmenWJPHuAA==
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

2026-09-17T11:19:47.074072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039618
observed 2a40d8e36ad83e739c5dfad76f073174...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.057017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039618/manifest.json
observed 3df97e8ccde2763ed55f0b7225189aca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.040214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039618/publication.md
observed 83edaedb23ad091f8e7c59af85fae267...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.020905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039618/publication.txt
observed e197ceac35fe83c9b81b37c4e35f8ae2...
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.