OpenTechnical

OT-2026-000087395

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000087395) never changes.

Identity and time

Publication numberOT-2026-000087395 · never reused
Internal UUID01a0ae9a-cd4f-7682-9cd2-d11199f8a86e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087395
StatusPUBLIC

Content hashes

Canonical text624632699eab86bbe9e953502b2c0f60e976d922817e9c65b2269a2c5cf5671b
Markdowna5d50b15c51e7b9bbbac924b3bbafce024eea3e86bdef3983fe03821850b753c
PDF
Publication pagec87903fd3b770eb83e1c6baf1de864e40039f28c42a4e644832ad1d873211c8f
Manifest3d45424c11afe5440317f31186f8e63e470c48883be704fa906ac57d9fdb79c6

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
Signature8xKIf/C4IQjxyJzS29+xkGX0UXUmz+5AxpzJXPaf9P4CY219yaQX2ctnAP+BPcMwWaAfd0Ci9b+fXxn5K8GpCw==
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

2026-09-17T09:50:42.415221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087395
observed c87903fd3b770eb83e1c6baf1de864e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.398478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087395/manifest.json
observed 3d45424c11afe5440317f31186f8e63e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.380133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087395/publication.md
observed a5d50b15c51e7b9bbbac924b3bbafce0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:42.361244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087395/publication.txt
observed 624632699eab86bbe9e953502b2c0f60...
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.