OpenTechnical

OT-2026-000015330

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000015330) never changes.

Identity and time

Publication numberOT-2026-000015330 · never reused
Internal UUID01a0ae6d-ef49-76a4-abc5-32188b70f55f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015330
StatusPUBLIC

Content hashes

Canonical text2474b55ba171678d51b9e011fbd5dd8e93779d1667a3d4da856cedf70bea4aab
Markdown29241c9614bef5f0f46aff341f1e11032dbe56ba3c4f2887eec7ae70560e99e7
PDF
Publication pagefd8aff5f8f9276e8b98c2f0b554aa7483f805c2c7deac7835878be41c8606a3c
Manifest962f86f6961262cf2344fd5a5b6907fe43ba807d21707b13e98488347bcfcab7

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
SignatureDJiOtg1d9ibwdRh9LWNEkhCMG6XZWRcbHD0OkpesQ+9tpu6iwM2/WEkjDt37/gl8GL9n3Z7kv9XFpaED2qcPAQ==
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

2026-09-17T12:06:01.772380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015330
observed fd8aff5f8f9276e8b98c2f0b554aa748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.752257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015330/manifest.json
observed 962f86f6961262cf2344fd5a5b6907fe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.732358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015330/publication.md
observed 29241c9614bef5f0f46aff341f1e1103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:01.713606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015330/publication.txt
observed 2474b55ba171678d51b9e011fbd5dd8e...
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.