OpenTechnical

OT-2026-000009689

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off before 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-2026-000009689) never changes.

Identity and time

Publication numberOT-2026-000009689 · never reused
Internal UUID01a0ae6b-7564-7576-8021-6e4c3c26d27f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009689
StatusPUBLIC

Content hashes

Canonical text64df37dc7d72ca930f38e356f80e646f4a11a1cb3f48c8a248ea96ec4ccfbcd5
Markdown2fcebc84ce794ee9b0ba60003394c74fff4c6f9d93ba18c7128956ffb92083d6
PDF
Publication page432d54e7fbce9941bc8d74321614c0dd9260a927df6477321ba551e07fd888a9
Manifest0d6fd1d97d9c8a32e50cafcfe3812731b81cab21020b629d24948b91ccce2e34

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
SignatureUfBS8NF3ug5BzqttJGkWLst1Wi6+Oa0Y9u/RPbHHDjNjf/+GHM+EML1zfiMithl+p6g94m43oi6j6RefRIymBg==
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

2026-09-17T12:17:10.410955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009689
observed 432d54e7fbce9941bc8d74321614c0dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.392139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009689/manifest.json
observed 0d6fd1d97d9c8a32e50cafcfe3812731...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.373459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009689/publication.md
observed 2fcebc84ce794ee9b0ba60003394c74f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:10.352126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009689/publication.txt
observed 64df37dc7d72ca930f38e356f80e646f...
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.