OpenTechnical

OT-2026-000073568

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold 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-2026-000073568) never changes.

Identity and time

Publication numberOT-2026-000073568 · never reused
Internal UUID01a0ae92-efb9-7e8a-8d2e-97938d20db2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073568
StatusPUBLIC

Content hashes

Canonical textc4eaef684244ff1ac955f82dc0643cffab95da11a732279e2d794b154ebac36d
Markdown22ab9ffef730e0ba05046295398c846b332005d77480c9d4d87dc1fa004a7474
PDF
Publication page2e68f6f3f9c9e5553de54644f5ee363c112a41704c872b6ce9477739d9fa3778
Manifest565dee364955a3da9a544f0128c995f9a150b7ace3b79871697544d849f65d71

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
SignaturedK0O5slNINRNBSPZNgKAua9GtYJJO4rQp0ie8naEUPBszs8qRf2Ee+ddkfIwiu5YagGU4m6SQNZajD7m2RL+Aw==
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

2026-09-17T10:21:44.564473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073568
observed 2e68f6f3f9c9e5553de54644f5ee363c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.547284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073568/manifest.json
observed 565dee364955a3da9a544f0128c995f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.528820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073568/publication.md
observed 22ab9ffef730e0ba05046295398c846b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.510341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073568/publication.txt
observed c4eaef684244ff1ac955f82dc0643cff...
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.