OpenTechnical

OT-2026-000062629

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000062629) never changes.

Identity and time

Publication numberOT-2026-000062629 · never reused
Internal UUID01a0ae8c-0ac1-7039-ad94-7fd6603f7e68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062629
StatusPUBLIC

Content hashes

Canonical text5a905cb90b163d2c6924aff5ce10b461b2c7daebdb3edf1200d429bce4318c74
Markdowne324160efd2bf1324a7f69ee3baf9e4521e3d30a83cc56dcb4d81426090eaaec
PDF
Publication page86191e9f42354b49b877b6acc49784dea0caf7b5efe11d5c8288f1f5e730aace
Manifestd76060859a4818f9a651d2b87167faff608d37c1747f62f3e161862ff74d310a

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
SignatureHJyRRjKD7ScvQn0BxS+XJpVKDhjPozMw6O9EPCg2Bay+a5h+icfM8vD49Cyn/qqG49bzUGk7UoZNspqqxHwnDQ==
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

2026-09-17T10:40:08.500508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062629
observed 86191e9f42354b49b877b6acc49784de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.480445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062629/manifest.json
observed d76060859a4818f9a651d2b87167faff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.460532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062629/publication.md
observed e324160efd2bf1324a7f69ee3baf9e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:08.439130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062629/publication.txt
observed 5a905cb90b163d2c6924aff5ce10b461...
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.