OpenTechnical

OT-2026-000066437

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-2026-000066437) never changes.

Identity and time

Publication numberOT-2026-000066437 · never reused
Internal UUID01a0ae8e-ce40-7a22-83f9-8fa18b2f0edc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066437
StatusPUBLIC

Content hashes

Canonical text97d700fb40652ba69b929dd0df9e4efca27e00de122e8578ae9eb7fb266d28d2
Markdown5e3d798763ef0030950f3eeda825f930e85b64f26d95c9202a2c62155f370862
PDF
Publication page2f3fa711a9d4984a6ef754eb96a35fc1f2f50dd506382e5056ff5293a056227b
Manifeste10d75be8b8f1639f5b6494dcaccb624918eb612108a9e0a5c74482bf5c8054a

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
Signatureas/Joyytfezu38Np2y/h7OmYid7pZu53gUDwsntJNXnS8aNhFAnAFcUV/Vyy8QjuqDPtH4OpvVyBYJuYc3ocCQ==
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

2026-09-17T10:32:40.935160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066437
observed 2f3fa711a9d4984a6ef754eb96a35fc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.918270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066437/manifest.json
observed e10d75be8b8f1639f5b6494dcaccb624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.900902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066437/publication.md
observed 5e3d798763ef0030950f3eeda825f930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:40.883166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066437/publication.txt
observed 97d700fb40652ba69b929dd0df9e4efc...
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.