OpenTechnical

OT-2026-000071759

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000071759) never changes.

Identity and time

Publication numberOT-2026-000071759 · never reused
Internal UUID01a0ae92-1e91-71b9-9296-35bf2e14a1e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071759
StatusPUBLIC

Content hashes

Canonical textcc4a6af06bb837e26d99d01b97868e9369cd4c48f1935db4afe3bb3919a4d106
Markdownd082ba861ffd91fb5f880f290c8895e4edb016e0018489fcc97b8940333dd156
PDF
Publication pagefc6bdc9d1f31c477a348546e8f8c4631a6aa04a80080bd378f700313eaa086ca
Manifestcbc41e093b06cf5f8ab30533b18f3ab6d11a8811953961fa6dacf5d02e0bd501

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
Signature4K08H2Lb+cAuBbaNPPnTdov5k/JQaz6OSwykzyyscpgkRkFA3D1Ln+o8aLTIt5W/O2Aoe+q0c8VltpuFD5q9Cw==
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

2026-09-17T10:23:55.225729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071759
observed fc6bdc9d1f31c477a348546e8f8c4631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.207515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071759/manifest.json
observed cbc41e093b06cf5f8ab30533b18f3ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.191393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071759/publication.md
observed d082ba861ffd91fb5f880f290c8895e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:55.173686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071759/publication.txt
observed cc4a6af06bb837e26d99d01b97868e93...
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.