OpenTechnical

OT-2026-000011011

Publication integrity record

Single cup vacuum gripper, common isolation valve, 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-2026-000011011) never changes.

Identity and time

Publication numberOT-2026-000011011 · never reused
Internal UUID01a0ae6c-540e-71b6-a398-ea9a4c388dae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011011
StatusPUBLIC

Content hashes

Canonical text5b9f25eafb34603ca7f8006893531d75f294aef2066a040e8bdb26b75aa7b1d6
Markdown5e44e5b9ea7ec6aae1e507022c6dc26f21c7e4f05de504286a480f074d3d6a05
PDF
Publication page4fc333f8931796ed7eb2e072dbc560fbcd1ff4b3c2e135b80921d15ef9084764
Manifestba06c4d64d48ae936fdd3b4d10c3f1a53e3f6011061aeeca8952e02797919f18

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
SignatureuK1D+2LjYyOOulvMkf/GQfJG0lkTkO3/oVYB9vQ8+vVVO9CmBmKnyGgGMaDfb5k3//+E5enks5pHhE8nfHrgAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:49.798859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011011
observed 4fc333f8931796ed7eb2e072dbc560fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.780625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011011/manifest.json
observed ba06c4d64d48ae936fdd3b4d10c3f1a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.759861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011011/publication.md
observed 5e44e5b9ea7ec6aae1e507022c6dc26f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:49.741483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011011/publication.txt
observed 5b9f25eafb34603ca7f8006893531d75...
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.