OpenTechnical

OT-2026-000032877

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000032877) never changes.

Identity and time

Publication numberOT-2026-000032877 · never reused
Internal UUID01a0ae75-4842-701a-91f5-ad7793b21c83 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032877
StatusPUBLIC

Content hashes

Canonical text872b69393bffe3d28c3543ab77309aaec3bc4e1fa76f15d2205523cc8d9c1273
Markdown4af09954a17274195639de9b0dc8bef37339a4fe5e5c0dcd17bb6ba94532bc63
PDF
Publication pagea1b3bb0321a78f3300164016c99ef22316022bebcf3a00ee9f668fd26d5f1be8
Manifeste86ef59723ab337fd9943eea50a37c70029743a958c4728166afc3ff4647b91a

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
SignatureEO9Gcn8JhQKxagb96qXZHuJb1dF/uPjjnsdY1ESY/wq7aVghlYV5VdKOjc/Wh8Iu4Rf4OUbeyDNdoUDUaXmcCA==
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

2026-09-17T11:32:27.416871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032877
observed a1b3bb0321a78f3300164016c99ef223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.400497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032877/manifest.json
observed e86ef59723ab337fd9943eea50a37c70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.382061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032877/publication.md
observed 4af09954a17274195639de9b0dc8bef3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:27.364867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032877/publication.txt
observed 872b69393bffe3d28c3543ab77309aae...
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.