OpenTechnical

OT-2026-000067333

Publication integrity record

Four cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000067333) never changes.

Identity and time

Publication numberOT-2026-000067333 · never reused
Internal UUID01a0ae8f-6bd7-760a-b8d7-be5f5cfc3282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067333
StatusPUBLIC

Content hashes

Canonical text3e6f6863306474770f6840ae59d156495396bfb18bb9ad14db8f2ef21c13e696
Markdowndf5b0b029e71debc133b5ff0ba93ca74babede4a7c1c92641e1c246331f16717
PDF
Publication page0d62b1e8b066086f6f95586601ac9ccc024f7d37aa9d7fa03536a19aad7ee314
Manifest2f6cd0b8f5b86e2f0c323bfd62ff88e220648722186246c687e749c195697f90

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
SignatureH2ltR/DdpLuwv1ft8CrHkwjQsGTHpjAJ449dsxZqmDmWFOXFHiH88e/GzHXOmMUUnivOcowpmGhTr9o8SBMoAA==
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

2026-09-17T10:31:30.043845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067333
observed 0d62b1e8b066086f6f95586601ac9ccc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.025547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067333/manifest.json
observed 2f6cd0b8f5b86e2f0c323bfd62ff88e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:30.006245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067333/publication.md
observed df5b0b029e71debc133b5ff0ba93ca74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:29.988468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067333/publication.txt
observed 3e6f6863306474770f6840ae59d15649...
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.