OpenTechnical

OT-2026-000075339

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000075339) never changes.

Identity and time

Publication numberOT-2026-000075339 · never reused
Internal UUID01a0ae93-f200-73e6-8c83-415166ae0e40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075339
StatusPUBLIC

Content hashes

Canonical text9f04c2ded8b5b531aec5346691823f732e4a021926f14f7962cf94578f2b285e
Markdownbaa192ec36cf5b6960fbc5abf6b403791796e514f0b90ccc6a138c47fded14f5
PDF
Publication page88e88bb59a920f0ee5a3ec06b2a1afb4f4d4f0701cd7265dde34b02fbcb6f113
Manifestc51ce5d821db5fb0a889075d1665589d9bc64f33979e395a94328a158b3dcb26

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
SignatureZi6q0Llhv7qnsGwhLQyX5m3zST3Tlh2UdrY5PjXU08LaU0maolCmozmqAGxcaIYGYqM/io5OZ6fUELE1fpURBw==
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

2026-09-17T10:17:15.288124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075339
observed 88e88bb59a920f0ee5a3ec06b2a1afb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:15.269521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075339/manifest.json
observed c51ce5d821db5fb0a889075d1665589d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:15.250726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075339/publication.md
observed baa192ec36cf5b6960fbc5abf6b40379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:15.231731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075339/publication.txt
observed 9f04c2ded8b5b531aec5346691823f73...
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.