OpenTechnical

OT-2026-000070355

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000070355) never changes.

Identity and time

Publication numberOT-2026-000070355 · never reused
Internal UUID01a0ae91-545f-7070-89df-7524ea85d8e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070355
StatusPUBLIC

Content hashes

Canonical text5109bb4daa4a7367d49e54958a1e9b865ab5c65c7391764cac8804fac6309d70
Markdown23258094d2c57642a4762361bdcb810ca83a7651bf9bc71bc35071c0afb4cdd0
PDF
Publication page1f9c81d106da0d823a4da7249afc0e1e24e6d1676cb92a4a8ae3925275859416
Manifest3710bab8784dd1d63d6f3f0152212cfbd4de7884c24c47b051ad1f840ca8819d

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
SignaturedXRDDhCQy6zVJN/YZ/FgLTIMeo8B9jH6aW3iokJTo9VhKSwcmZImanweLmLQGKJU17Qnq+1+9HRMUGYbFhkhBA==
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

2026-09-17T10:26:09.205376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070355
observed 1f9c81d106da0d823a4da7249afc0e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.186173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070355/manifest.json
observed 3710bab8784dd1d63d6f3f0152212cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.164717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070355/publication.md
observed 23258094d2c57642a4762361bdcb810c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:09.143801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070355/publication.txt
observed 5109bb4daa4a7367d49e54958a1e9b86...
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.