OpenTechnical

OT-2026-000084144

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented after 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-2026-000084144) never changes.

Identity and time

Publication numberOT-2026-000084144 · never reused
Internal UUID01a0ae98-5b5f-7830-af89-db8451e299ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084144
StatusPUBLIC

Content hashes

Canonical text2a037bb34374537a2b0d59abd33d5d67d4c7a7b7578c42c1f516486feb7e4de6
Markdown9fb682e19ece3a6b3a85597b996ee87a3939d6b6f3729b215e84e4d87f66a4ce
PDF
Publication page8bb0c85d474dd1e1482cfa556438616de258c1be7a35cfa1a3e57150e826334f
Manifestc32d24130745b3465c6064a1933fd235a33b1c789e02bdfb96779a0792225f84

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
SignatureMCW5H6S4u6AXMYZtPGcqkuI1nhHwOjT3ISaFoLBLPWMVl6e+/7I5BQY+ADl9Y0so4y2JAv4U9k3JGc/6Qs2ZCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:54.655815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084144
observed 8bb0c85d474dd1e1482cfa556438616d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.640162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084144/manifest.json
observed c32d24130745b3465c6064a1933fd235...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.622914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084144/publication.md
observed 9fb682e19ece3a6b3a85597b996ee87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:54.606060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084144/publication.txt
observed 2a037bb34374537a2b0d59abd33d5d67...
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.