OpenTechnical

OT-2026-000067860

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000067860) never changes.

Identity and time

Publication numberOT-2026-000067860 · never reused
Internal UUID01a0ae8f-c4fb-7610-bf66-08f62a747c4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067860
StatusPUBLIC

Content hashes

Canonical text24767d6163b86033956bf9f1c6c800f5e2efd9a54c39e4bebf7470f044d8250f
Markdowna726490280478348798761de6cfcbc8d4e01f8a81f89a6ed88ed4be19336aa9a
PDF
Publication page9e9f73ec1b2b98df7119b865d9c06bb5b8eacc8b6487d3924a9764bd80c17b9b
Manifest795ba95df9c7d6b98da1b0121ed59fb3441bf24ae1130112a7b077e505925750

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
SignatureM5Zr4vq3N0MRbk+pakLL6RWkYIRkdaGOvE4vhf8zZpMQ/tzqYWb73FIi/fUGzChaGcQK6ZFbKWcwni3U+TCWDA==
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

2026-09-17T10:30:14.571969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067860
observed 9e9f73ec1b2b98df7119b865d9c06bb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.548100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067860/manifest.json
observed 795ba95df9c7d6b98da1b0121ed59fb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.523880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067860/publication.md
observed a726490280478348798761de6cfcbc8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:14.221699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067860/publication.txt
observed 24767d6163b86033956bf9f1c6c800f5...
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.