OpenTechnical

OT-2026-000051242

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000051242) never changes.

Identity and time

Publication numberOT-2026-000051242 · never reused
Internal UUID01a0ae83-2740-74bd-ba69-36fa1d45a36b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:05.998905Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051242
StatusPUBLIC

Content hashes

Canonical text1948c1f9db3b057710d1cb0dad6b609ac0e27ad52c53155c519bd839775bbb75
Markdownb9edf2bd23252dced47cfd436dd602e427839c2c4a58ccf31f582766d8fcddb4
PDF
Publication page38a49464bf833815209ea294766931630d7df3bd2c403b0b114d2480e87bbe14
Manifestc6ac2bf5c59d993c272438fd24f26f4f1114641fb2b44bfbc511b4845a501f9f

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
SignatureD/Wk9bTWCaBL7CgPgI2bNSBpiFzRZbnJSncnOLqbCe4mIeFiSl+7Ns3g/d/YqOodfv8xa+gsTSXWo2D95cl6Bw==
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

2026-09-17T10:59:02.184842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051242
observed 38a49464bf833815209ea29476693163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.166815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051242/manifest.json
observed c6ac2bf5c59d993c272438fd24f26f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.150197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051242/publication.md
observed b9edf2bd23252dced47cfd436dd602e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:02.133521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051242/publication.txt
observed 1948c1f9db3b057710d1cb0dad6b609a...
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.