OpenTechnical

OT-2026-000039328

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained 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-2026-000039328) never changes.

Identity and time

Publication numberOT-2026-000039328 · never reused
Internal UUID01a0ae78-9674-7e67-8c06-d023fcdf4fc3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039328
StatusPUBLIC

Content hashes

Canonical text04078e6ca3f1e23c480f51c13b54fe08b1c0fdaedcef82c5dd7e2cba26970175
Markdown31c1c5ebe37902f209f95b803a9de6a14091168b41cd542522de7d1c966c2396
PDF
Publication pagef1b0ff2248e0269b44e3274b2aced442d37b68a52fa2144682bd2376f4603517
Manifest0ea0c8574ce04d6f072de0344093dafe69cb2c0d42ae261bd537fae9be3f9347

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
SignatureCz1b6T9zXWkJQXMYrAQ0wXdDUdz6Ysn1tQaKmkTMiXL5My2Bw0s6jMBsrQKPpn/WubzAh1eAs8sLepNVJMiIDQ==
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

2026-09-17T11:20:55.410449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039328
observed f1b0ff2248e0269b44e3274b2aced442...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.394009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039328/manifest.json
observed 0ea0c8574ce04d6f072de0344093dafe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.375996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039328/publication.md
observed 31c1c5ebe37902f209f95b803a9de6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:55.357865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039328/publication.txt
observed 04078e6ca3f1e23c480f51c13b54fe08...
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.