OpenTechnical

OT-2026-000005148

Publication integrity record

Vacuum cup gripper, four zone face, ejector fed, pressure verified

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-2026-000005148) never changes.

Identity and time

Publication numberOT-2026-000005148 · never reused
Internal UUID01a0a92f-69d1-7343-b606-0d418cd7512c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:31.923835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005148
StatusPUBLIC

Content hashes

Canonical textaea67de0c4943b6d597bc384ac4be453a8e211d3af182bd90d9c426f1da286b1
Markdowne3ad7ded8be4edff837a11b08479f0ef542d0926f26e76d84b97f12fd2f59d70
PDF
Publication page59a50e688f1283deed5efd7cc4011e976fb00bfbcc18452c28ee2ddf51b64659
Manifest30423746c9dfb239f709d84255f60d1c5f9a206752953e2f3c1acb7f6500fd57

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
SignaturerQDJ0iHnkTmTsCrXbLLmoij0PA6RrjwpHRvg0XegtXYIS8AnHDwuv0bt5rh8NBdn8khFi9IIUnlDoN/SBsBPDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:10.189870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005148
observed 59a50e688f1283deed5efd7cc4011e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.174239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005148/manifest.json
observed 30423746c9dfb239f709d84255f60d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.161344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005148/publication.md
observed e3ad7ded8be4edff837a11b08479f0ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.146485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005148/publication.txt
observed aea67de0c4943b6d597bc384ac4be453...
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.