OpenTechnical

OT-2026-000008263

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000008263) never changes.

Identity and time

Publication numberOT-2026-000008263 · never reused
Internal UUID01a0ae6a-908e-7e5a-af85-13b6911b35ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008263
StatusPUBLIC

Content hashes

Canonical text0b8d9bae240490a23475d0a1cb47aa4365b890827f5183df338016996aee031f
Markdown81f80246e87e6c04abd4b4ee3f1ddab074d3d798beab7b3375396b680a0979a4
PDF
Publication page228a57ebfd822202d18dfd232d630428c22cec42b4b40173ea368424e914dd5c
Manifest9fcd09c512969df600d3c82483829f4d45874e043bd351ebe3b880734be9dd87

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
Signaturec8534yuhDWBH4bGDFpvkTRV0hywPBQXfCrkP4hFGgJAAgtk+d4BE43QvdCBEpbvwRp+0/W1LdgRjuoKJpyd+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:41.746853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008263
observed 228a57ebfd822202d18dfd232d630428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.728372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008263/manifest.json
observed 9fcd09c512969df600d3c82483829f4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.709674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008263/publication.md
observed 81f80246e87e6c04abd4b4ee3f1ddab0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:41.686286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008263/publication.txt
observed 0b8d9bae240490a23475d0a1cb47aa43...
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.