OpenTechnical

OT-2026-000037604

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000037604) never changes.

Identity and time

Publication numberOT-2026-000037604 · never reused
Internal UUID01a0ae77-b8cf-7eef-b21e-7a1a6ea5a6f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037604
StatusPUBLIC

Content hashes

Canonical textd7ff94e9ad5352311e7d7c6d06c19df569d2222525a4176c5cea2240ba68d30e
Markdown02cf5a384bf5856d524940815768c789ff36ed57eaedf4246f00439b08510e78
PDF
Publication pageff125b162b1756acdf46d1f69019303256dcd4ec709285a40f96f18350c38e74
Manifested393f9d43a2d578eb90cac1a449d81796367077081907496c24f5790136a6db

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
SignatureUDKUOeEa5X+hKfUYN1g10Fk3qfg/P0/alM30Sem/tvGzibNE2poK63HCXG5FTANosjtdCE+uXy9FUwEBetQ2Dg==
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

2026-09-17T11:24:09.573278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037604
observed ff125b162b1756acdf46d1f690193032...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:09.555156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037604/manifest.json
observed ed393f9d43a2d578eb90cac1a449d817...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:09.538801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037604/publication.md
observed 02cf5a384bf5856d524940815768c789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:09.521727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037604/publication.txt
observed d7ff94e9ad5352311e7d7c6d06c19df5...
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.