OpenTechnical

OT-2026-000003771

Publication integrity record

Vacuum cup gripper, six outlet manifold, pump fed, pressure verified at each zone, contact triggered

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-2026-000003771) never changes.

Identity and time

Publication numberOT-2026-000003771 · never reused
Internal UUID01a0a90b-0360-77ac-ac4d-ee6a88d9eace · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:46.403049Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003771
StatusPUBLIC

Content hashes

Canonical text6944f856c37470443bb7cac457fc6584f3dc17b1f786a0513cff1cdc6c6f657a
Markdown9d5a3d18911972bfbf3f7d22861f7a40ddb12396bc4d336c167984c622bc3625
PDF
Publication page6e7ee6e0a3ea595de9a2e52d892cf45d0901d1a4fe14df2ff65f45fc41c3eeeb
Manifest6c07c0c922535b0e5af0d373481fb9c371bcba88949db9fd9d739b16b01b06ca

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
SignaturehjKrlkIJcXKqAnavIdUIKHxwSK4B0mClfsVhJfOoxU5pWRjYUZUCNVkOkbJxOlbGBWSoCf7D7+g4iQvEZrt5AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:21.319755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003771
observed 6e7ee6e0a3ea595de9a2e52d892cf45d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.305703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003771/manifest.json
observed 6c07c0c922535b0e5af0d373481fb9c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.292247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003771/publication.md
observed 9d5a3d18911972bfbf3f7d22861f7a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.277587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003771/publication.txt
observed 6944f856c37470443bb7cac457fc6584...
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.