OpenTechnical

OT-2026-000040626

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000040626) never changes.

Identity and time

Publication numberOT-2026-000040626 · never reused
Internal UUID01a0ae79-6d0e-7fdb-96a5-c33b42b1a517 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040626
StatusPUBLIC

Content hashes

Canonical text7f87b9edeb857be77f3fed23104744adb8283e827c81f88582300ec353070253
Markdowne99e0efeb5a499e7167e58bc27b7dd8fe1fbd77cea2099c3f5925df132e7d820
PDF
Publication page8e37263a3fd7a3dfd5be48af0c8177d12d2a466e1df84ebe116da834099ea4c2
Manifestbef60c89090b48d1254a192c3cfaaaad0ee3e8f6af0fb0b1d83bbc05458aab0d

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
SignatureU0iTrrQmG0AKNQsVNJwxriEvMhnWl7Sa1mMUbF/TuIP2J91o4Oe5B+7hEf9aIyMfodSS00ywYhLnECHRVpMPBQ==
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

2026-09-17T11:17:48.362212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040626
observed 8e37263a3fd7a3dfd5be48af0c8177d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.347318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040626/manifest.json
observed bef60c89090b48d1254a192c3cfaaaad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.331870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040626/publication.md
observed e99e0efeb5a499e7167e58bc27b7dd8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:48.311545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040626/publication.txt
observed 7f87b9edeb857be77f3fed23104744ad...
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.