OpenTechnical

OT-2026-000075591

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump 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-2026-000075591) never changes.

Identity and time

Publication numberOT-2026-000075591 · never reused
Internal UUID01a0ae94-29fd-775b-b1c2-7ec26bbf4c47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075591
StatusPUBLIC

Content hashes

Canonical textee4a5edea1b13c0a5cf31454156272d128af9319f5f1f66933af46a6cb5d72d5
Markdown8fcb2cdf53fc219a67ad73524435dc616c59a1b5998c8a2db2fb37f2cca9106f
PDF
Publication page37ad648cf6d1611a6c0dc9e1e274edf6b7348f3d293776e560b5de6050a75fd6
Manifesta055e6abc357744e7a699e0c3525294b4c2d7f9c695a94642decf121f586d426

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
SignatureD6Nzs9LTzZCGJiSCtEBTVHXowQU6Un9ynnRXWGq26HApOUbvYO1rvuyK4o4Z6WOJ+pxXVp4ykcC8hgQkyvQeBQ==
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

2026-09-17T10:13:14.561242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075591
observed 37ad648cf6d1611a6c0dc9e1e274edf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:14.542379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075591/manifest.json
observed a055e6abc357744e7a699e0c3525294b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:14.522781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075591/publication.md
observed 8fcb2cdf53fc219a67ad73524435dc61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:14.504393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075591/publication.txt
observed ee4a5edea1b13c0a5cf31454156272d1...
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.