OpenTechnical

OT-2026-000029710

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000029710) never changes.

Identity and time

Publication numberOT-2026-000029710 · never reused
Internal UUID01a0ae73-5e23-702e-a3a1-1af408db6f21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029710
StatusPUBLIC

Content hashes

Canonical text5c8195843d00a0f3900cb08eabcb079921b0437d277e8d486c24ba5728369842
Markdowna19eef84899d60d00d7d0b22f0a4d4add710749aa3a740858389c5c0e6e31db9
PDF
Publication page42a42f1b707fb8e82cb993369fd277eaf450660293270b28572c2ee95c63e61f
Manifest6b13d7ce9160c7097b9a4a730a9e174d3551f7eaa7a993376485f64b3a38aaf7

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
SignaturenKhdy7VF/LoITlJJWXgBiRV0rDetSVgtMex8KAk5WcD+DYsed5BW0RIcMjKtNj/0+u4pBXvcuhGBRDAFrINSCA==
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

2026-09-17T11:39:26.432018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029710
observed 42a42f1b707fb8e82cb993369fd277ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.414468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029710/manifest.json
observed 6b13d7ce9160c7097b9a4a730a9e174d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.395669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029710/publication.md
observed a19eef84899d60d00d7d0b22f0a4d4ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.375284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029710/publication.txt
observed 5c8195843d00a0f3900cb08eabcb0799...
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.