OpenTechnical

OT-2026-000041902

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained 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-2026-000041902) never changes.

Identity and time

Publication numberOT-2026-000041902 · never reused
Internal UUID01a0ae79-e8a6-71c0-a46a-7e6f59cc8f50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041902
StatusPUBLIC

Content hashes

Canonical text6e81c08d2b7d10cc11be46c3191b3e5bd60cce3782915b80f72743af79be8f7a
Markdown98cded9500dbc393e8a6e470ac42b1ee70daf79b2f570e202a205366ed353b23
PDF
Publication pageb76f6b0175d507b1c3f782a2e71d7af750a79f725e34ebe29808f009d14e5972
Manifest7ca5f96f2a3e2a26897f42b38bc29b4760e8835311aa4a359bf9060329d72297

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
Signature1Zm8egivLkcIHHZpHESuv53QWenseH8hYn7uyIqaS7Xrx4DdQhzBTgN0z7o09Zmxj868z2qKgphZMHVELZ3sDg==
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

2026-09-17T11:16:46.978870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041902
observed b76f6b0175d507b1c3f782a2e71d7af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:46.960208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041902/manifest.json
observed 7ca5f96f2a3e2a26897f42b38bc29b47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:46.941786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041902/publication.md
observed 98cded9500dbc393e8a6e470ac42b1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:46.922116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041902/publication.txt
observed 6e81c08d2b7d10cc11be46c3191b3e5b...
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.