OpenTechnical

OT-2026-000047759

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000047759) never changes.

Identity and time

Publication numberOT-2026-000047759 · never reused
Internal UUID01a0ae7f-c420-7c48-944d-2bafd7eba115 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047759
StatusPUBLIC

Content hashes

Canonical textf86eb3cd97dd46ab2315e2052e4db38f569bacbc29d043cd426cbc6e866685a5
Markdown2942849ed7438342f5e47156747d93bc7a1a80e970745100a665edb82c5fb91a
PDF
Publication pagec38f9e2a486086a481d9debaea9d55efd31c3d35f54eb4256d0cba2842dea0cb
Manifest1682fb10a54fb9258908f9cf3b76638a65658978e52e133af81de34b9ff46588

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
Signatureno8xami5MvTk+01fnVmrDXy3n6ThTJUHw4t7LumwlenN8tN64coC2E+vbWvXRpRmH6h0REGDMBXBSCzfMGb7AA==
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

2026-09-17T11:05:38.810422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047759
observed c38f9e2a486086a481d9debaea9d55ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.791808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047759/manifest.json
observed 1682fb10a54fb9258908f9cf3b76638a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.772544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047759/publication.md
observed 2942849ed7438342f5e47156747d93bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:38.752400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047759/publication.txt
observed f86eb3cd97dd46ab2315e2052e4db38f...
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.