OpenTechnical

OT-2026-000076054

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000076054) never changes.

Identity and time

Publication numberOT-2026-000076054 · never reused
Internal UUID01a0ae94-6a6e-778b-91fb-e799c75d8779 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076054
StatusPUBLIC

Content hashes

Canonical text0526956d1598c0665f2c88d2ff2f0e03507f210bf19214de2743b150f2ec79c7
Markdown02554eb50215fcc8510837a4921207ae65a0500c01298234bafc82cb69b51cd7
PDF
Publication page2c70e9414966954063cfeac98b2ac2eda4e38481d673f372ff591bcfbdea9435
Manifest5cf2d40b70a93449b9234e91b6b7d123d06aaf64b5b5750cc8429298104075df

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
SignaturegMqF8XD8fKaxJkHwduVV+3mMYFBMCbPgYqd8lI4CglLrTLlKlZyNSqE6wYjNPUhGj8TuxXy4bQJ7yzqteGqWDQ==
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

2026-09-17T10:10:45.942490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076054
observed 2c70e9414966954063cfeac98b2ac2ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.049464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076054/manifest.json
observed 5cf2d40b70a93449b9234e91b6b7d123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.027518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076054/publication.md
observed 02554eb50215fcc8510837a4921207ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:45.005482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076054/publication.txt
observed 0526956d1598c0665f2c88d2ff2f0e03...
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.