OpenTechnical

OT-2026-000067742

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented after 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-2026-000067742) never changes.

Identity and time

Publication numberOT-2026-000067742 · never reused
Internal UUID01a0ae8f-c4fa-79d6-8a23-f7882a553d49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067742
StatusPUBLIC

Content hashes

Canonical textc0847b97c412df531a2bac922c995e8463c735dd7bb093fb8342097e1b37cc34
Markdown52772eb8845b43b930d17963b9b4d9b98631e7d3da3b21f1e5c4a8e4005301f1
PDF
Publication paged56dacc46f17cd95a2669b92e7067ad9316292eac6d312d002990a7fb0d03490
Manifestc5d729243680e61428400944b05d1fcfc499df3076c715dd5a4fc9da978d8003

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
Signature80gz8gjjprqgggCnFI5zocKFm0Tn/1JUXt1m8xZZS+62oodJdnq9HhL/5ZZXD5zWAAOBtNRq8DsEvEh14dCXDg==
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

2026-09-17T10:29:57.853497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067742
observed d56dacc46f17cd95a2669b92e7067ad9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.835129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067742/manifest.json
observed c5d729243680e61428400944b05d1fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.815420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067742/publication.md
observed 52772eb8845b43b930d17963b9b4d9b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:57.795704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067742/publication.txt
observed c0847b97c412df531a2bac922c995e84...
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.