OpenTechnical

OT-2026-000013562

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, pulsed blow-off 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-2026-000013562) never changes.

Identity and time

Publication numberOT-2026-000013562 · never reused
Internal UUID01a0ae6d-6fcb-71c3-ac0d-a6c4362416e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013562
StatusPUBLIC

Content hashes

Canonical textff9a14fa98e197d850f946e577917bb990596f31fa72bdebf83d7e0c08c6a6bc
Markdown18ad7fefaa4ea6e25e5316910036db572469a654e35946b3cecff4d2ca149577
PDF
Publication pagec03ef635d7d8810f43e43d5b40353d868cf1f47b0072e5ef70bec6bdc27070c7
Manifest0f7982c31e0de8f1ddbcb71ee888497027f44cc9a03ad93c0d408c7c68d782b2

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
SignatureDhX8XOZgqdOZ05fj8lPWND+FKOEt1/YU0s5HMg3BtMoiJU1dYdrOFJMz07hv78Z1u88BWHrbbbjo35ZPo340Dg==
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

2026-09-17T12:10:06.417340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013562
observed c03ef635d7d8810f43e43d5b40353d86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.397920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013562/manifest.json
observed 0f7982c31e0de8f1ddbcb71ee8884970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.377502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013562/publication.md
observed 18ad7fefaa4ea6e25e5316910036db57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:06.356845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013562/publication.txt
observed ff9a14fa98e197d850f946e577917bb9...
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.