OpenTechnical

OT-2026-000063934

Publication integrity record

Six pad foam vacuum gripper, six 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-2026-000063934) never changes.

Identity and time

Publication numberOT-2026-000063934 · never reused
Internal UUID01a0ae8d-53bb-7f55-bcf6-164876ea5a24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:12.763906Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063934
StatusPUBLIC

Content hashes

Canonical text769c6f19d09d6a86dc557bd8c86f8b55ab6de3dc053d647384e1293d670368c3
Markdownce17b76bc2609666d6766c1b155939ae45bcb6fe45117bc0081025179d8d3de2
PDF
Publication pagee2e0d1d1b72ba62f259e523590fb0ba28f9835d57caad96a5c6fe99af4f0ac09
Manifest5fdf7e8b96db4cc18fc8d8e7eb3188021b1f29e04a6232fc8fe2bd85cb1b776e

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
SignatureuIudqaBHPr8g3+CDQFe3HtD3C+Ykbbds3ZUlPGFkxaoUPbN69VQGDyWM1kiO1wiHMBUw0SwQS+gnqnH0O5HxDQ==
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

2026-09-17T10:36:59.338302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063934
observed e2e0d1d1b72ba62f259e523590fb0ba2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.322980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063934/manifest.json
observed 5fdf7e8b96db4cc18fc8d8e7eb318802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.306676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063934/publication.md
observed ce17b76bc2609666d6766c1b155939ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:59.288997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063934/publication.txt
observed 769c6f19d09d6a86dc557bd8c86f8b55...
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.