OpenTechnical

OT-2026-000066247

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000066247) never changes.

Identity and time

Publication numberOT-2026-000066247 · never reused
Internal UUID01a0ae8e-8dc4-75e0-aa38-6d9759fb180e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066247
StatusPUBLIC

Content hashes

Canonical text5a70ed9084aabec49efceda38668e0a8ecec8c4b63d1aa856b7d49f726924f2b
Markdown689b4ae022b1afdac131ff3e05f55e3051018b1ae2e55332d899657211cee452
PDF
Publication page33c8e2e4d93a30e0d7afc50f05c2fac331dcfda1fb4c30bf2775bb0e7ab73a11
Manifest8752f2ae6937cb6d841f1b7bf93e456b858884f6fc50cb17ef64543b1c76f8c2

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
SignatureK7kYT7RBUGnDnBV7oX2tm6yjSVVNAC1d91CVYMWTGR7ytoAh866q+9vP+u0kp2t39hoWYYgIOsGDgu7KvNk4CA==
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

2026-09-17T10:33:24.966640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066247
observed 33c8e2e4d93a30e0d7afc50f05c2fac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.949633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066247/manifest.json
observed 8752f2ae6937cb6d841f1b7bf93e456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.933496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066247/publication.md
observed 689b4ae022b1afdac131ff3e05f55e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:24.915250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066247/publication.txt
observed 5a70ed9084aabec49efceda38668e0a8...
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.