OpenTechnical

OT-2026-000038397

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000038397) never changes.

Identity and time

Publication numberOT-2026-000038397 · never reused
Internal UUID01a0ae78-2d52-7642-af2c-23945fbefd09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038397
StatusPUBLIC

Content hashes

Canonical textfb5bc0574b43f5581d9f78c119ad3b79abace14504f34b7a60bf29c6518cf6de
Markdown7d7cae783fd86d3a5f38473586d04a68cbcfa98b1dcb3268058a06fd4034876f
PDF
Publication page0aa053f13ddcffbaf546feb1855bdedeaf8d60767bf2c45d6f170558407f7ddd
Manifestcc4abeb6177657e53aeb9d40b6f629e0ec380fb6c166075419a3a31f2e39b6da

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
Signatureo/7KNkZAGuJtFLg6qpMtVANAYlr2dZiTFVEt2+otlA6dPWxcKRg0vp4O9TIM0gLcbH5FWJuS5y/U3xoGil3aCQ==
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

2026-09-17T11:22:36.342699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038397
observed 0aa053f13ddcffbaf546feb1855bdede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.326642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038397/manifest.json
observed cc4abeb6177657e53aeb9d40b6f629e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.306433ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038397/publication.md
observed 7d7cae783fd86d3a5f38473586d04a68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:36.287312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038397/publication.txt
observed fb5bc0574b43f5581d9f78c119ad3b79...
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.