OpenTechnical

OT-2026-000011540

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, 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-2026-000011540) never changes.

Identity and time

Publication numberOT-2026-000011540 · never reused
Internal UUID01a0ae6c-88ff-7bf6-a607-d7b487a4b61b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011540
StatusPUBLIC

Content hashes

Canonical textc17c1c4d3e93edb4310eeddd59ed9c6b5172c11d09333fa5e2964f39c6834324
Markdowncb0b83ef7edd421a22d70a3a8c669782365148fecd90b2f698e6fdb48a6cf650
PDF
Publication page5e1eaf5ec3a520420522aedf9619eb7344884f44f698d08caa19f2485f8a6853
Manifest57ff1629711f44cc2e0f130892aee91d99011355a5d9f2e0109a641da4cc9d3a

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
SignatureRNgy7LIxwwa88qUxqpLg3JEnXAQAxBtuQGHThYqsO5l3RRxpbWulXVNIjzj2cZ7XswUzyx+PsM6+qu1cMdlIAQ==
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

2026-09-17T12:13:19.841540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011540
observed 5e1eaf5ec3a520420522aedf9619eb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.821783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011540/manifest.json
observed 57ff1629711f44cc2e0f130892aee91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.800280ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011540/publication.md
observed cb0b83ef7edd421a22d70a3a8c669782...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:19.781256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011540/publication.txt
observed c17c1c4d3e93edb4310eeddd59ed9c6b...
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.