OpenTechnical

OT-2026-000040161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000040161) never changes.

Identity and time

Publication numberOT-2026-000040161 · never reused
Internal UUID01a0ae79-26ff-79dc-a8ae-5b55531685e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040161
StatusPUBLIC

Content hashes

Canonical texteb4085f26e1e59febd5d94575b507b1007aebf9eb22699f445d029ef4c9f9e2a
Markdown295eb7ca4767b51fa62803e902a00e4081b1d1ef24533521749ae333f795e410
PDF
Publication page8dad2490bc7de134ed872c4c6e857fffb09bc455cb66e7a3d8344b2967f823fb
Manifestf4a7e6664037e2a8b9ce9b2987616871e37acba6e0cdec7269caabd339000d61

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
SignatureYEe4qo9UgGv9FR/omldl9TgdCJ9eoulsIo1e5NJWClNxCvSc9ZeJ7TFMrbm0M4C5lM4jYnJhxl+hUkxBNkUHDw==
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

2026-09-17T11:19:02.260106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040161
observed 8dad2490bc7de134ed872c4c6e857fff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.244472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040161/manifest.json
observed f4a7e6664037e2a8b9ce9b2987616871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.228919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040161/publication.md
observed 295eb7ca4767b51fa62803e902a00e40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:02.207001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040161/publication.txt
observed eb4085f26e1e59febd5d94575b507b10...
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.