OpenTechnical

OT-2026-000064669

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000064669) never changes.

Identity and time

Publication numberOT-2026-000064669 · never reused
Internal UUID01a0ae8d-deb8-75dd-a877-841589fd7bf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064669
StatusPUBLIC

Content hashes

Canonical textc766941534c2cd757f24689b43296c4505ef56fedfb0de06cfe0608fff8cb684
Markdownb323864ffed7a7271626717abf3c809d374cea5b99ebe2f5043ba86d3ef63086
PDF
Publication page111beb4f57012e96f097afdede330dc73324763d49f8289595bb7b82a9561e33
Manifest42b9d54e8a64bf0485cda103da48709f9f73c7ff75b76020a476aaa603444884

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
SignatureSMGjMZc3oaL2F/f0tiLzMiqwnqCisgQ3YkDNBcyizq0k4V8VNre6jQP8L1pO7mN/OY8K8nDdyIYdUifp3/boBQ==
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

2026-09-17T10:35:27.789406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064669
observed 111beb4f57012e96f097afdede330dc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.771835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064669/manifest.json
observed 42b9d54e8a64bf0485cda103da48709f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.755309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064669/publication.md
observed b323864ffed7a7271626717abf3c809d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:27.716675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064669/publication.txt
observed c766941534c2cd757f24689b43296c45...
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.