OpenTechnical

OT-2026-000056035

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000056035) never changes.

Identity and time

Publication numberOT-2026-000056035 · never reused
Internal UUID01a0ae87-0a4b-7573-9d94-8af22d861699 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056035
StatusPUBLIC

Content hashes

Canonical text527a8736e7a5c3b96b0a0f39750a6e1e7748e67402f90089f2b41fa2a93d9c05
Markdown891458eb3333e08d379ff755f657e3855b2080f0cc04c2809f61d194f797aa2d
PDF
Publication page2bde90b5b794dd64156bef7b10bd650b454f3d2abe844656a2e2ca006ea1f8c2
Manifest283e42eca9eebb2cf56dc204a7be2d31f743d8b042e8cb39663bdd5a33393e43

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
SignatureEiOoECEdAQQAtLwPFKH5xmeWAxpropcjwF9UR/AVgk4J1FJilErU/0bc+DH4+TCIyD2WdY1UjbSlBe5Yi0HJAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:33.901689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056035
observed 2bde90b5b794dd64156bef7b10bd650b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.884178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056035/manifest.json
observed 283e42eca9eebb2cf56dc204a7be2d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.865519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056035/publication.md
observed 891458eb3333e08d379ff755f657e385...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:33.845448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056035/publication.txt
observed 527a8736e7a5c3b96b0a0f39750a6e1e...
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.