OpenTechnical

OT-2026-000091037

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, sustained blow-off before 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-2026-000091037) never changes.

Identity and time

Publication numberOT-2026-000091037 · never reused
Internal UUID01a0ae9c-c012-7b4d-9588-807747b86ca1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091037
StatusPUBLIC

Content hashes

Canonical text40b327eaed7dfd5d59c514fb438f32d1949e5c7acc639af28392a7826086067c
Markdown212cff59e180357bcecd8a6d29f8884f4dd274d40443a7f166cd2fb8e6c57e59
PDF
Publication page6413e8b286bda3ead9c73d116269fd6d58773738f0e37407c1db8ca97cfb96f4
Manifestd35f7300e1546f022ca83ad11d581107059d695c8f6d1e240c40d6e4a5debf78

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
Signature4FgLwXhyQ7nG9BejP7dJGhepDjVA25udoNM0y1kjk0+WB7XJxiUczjZiliV//o2PDlI6mgaks3hBQhWlkHvLAQ==
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

2026-09-17T09:44:16.878023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091037
observed 6413e8b286bda3ead9c73d116269fd6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.861015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091037/manifest.json
observed d35f7300e1546f022ca83ad11d581107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.843629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091037/publication.md
observed 212cff59e180357bcecd8a6d29f8884f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:16.826138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091037/publication.txt
observed 40b327eaed7dfd5d59c514fb438f32d1...
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.