OpenTechnical

OT-2026-000021370

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000021370) never changes.

Identity and time

Publication numberOT-2026-000021370 · never reused
Internal UUID01a0ae6f-865d-7219-ad44-c2435ab8984a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021370
StatusPUBLIC

Content hashes

Canonical text2b74871364d5c80e3b1e3b2a37bc8f456d7ab5d0cb7689ff12c13d30a8aff15d
Markdown3e1afaca8b716d3b85c80919cf34c358dcd0ff7f170df844e6ac9cc45f1ccc2f
PDF
Publication page33e36d01891d690c8f080009f8657df55a3f21958e947c8b830dc0f8f78154aa
Manifest5fd289f48915ce29aeb3442e46e6249260e139ae2b62edf1d2522e90c33b3cae

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
SignaturejCPLYHBXD5Ljt6dfHwgLIVwn3GbdLaWQPimXXz03uaXmwPXvPERheWdXGYOp3VdHvLIPco7p3NbbkJvMsSxADg==
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

2026-09-17T11:55:14.243586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021370
observed 33e36d01891d690c8f080009f8657df5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.224088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021370/manifest.json
observed 5fd289f48915ce29aeb3442e46e62492...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.204407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021370/publication.md
observed 3e1afaca8b716d3b85c80919cf34c358...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:14.185327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021370/publication.txt
observed 2b74871364d5c80e3b1e3b2a37bc8f45...
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.