OpenTechnical

OT-2026-000083539

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, sustained blow-off before 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-2026-000083539) never changes.

Identity and time

Publication numberOT-2026-000083539 · never reused
Internal UUID01a0ae98-0415-7023-b05d-e3019a59dcd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083539
StatusPUBLIC

Content hashes

Canonical text2f0c61c99d0518e6098dd89899b0a8ae8c6050ba4101cbf3b35046dfe4272706
Markdowna65dc8791d9c142734096e82b260fea8ce5df5b161c51efcdc6e363e40dc131e
PDF
Publication page23292b6ea7b235e2284cf5adcea28ba7591e13323eeae633eec930f1e853050c
Manifestc2dc9becc3c719d8d21c6155db3cb539b350cb75fd5be0aeb6fc7eb06b29e014

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
SignaturelJUReRIvAKjpUHYzTsc3n16wiWOe31zvLHTsLPMjdXaNikfNanpZXGY9wYobaJ7QqYzPDY4xhGnaX6msPKyOCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:56:31.507675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083539
observed 23292b6ea7b235e2284cf5adcea28ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.489814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083539/manifest.json
observed c2dc9becc3c719d8d21c6155db3cb539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.473192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083539/publication.md
observed a65dc8791d9c142734096e82b260fea8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:31.455860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083539/publication.txt
observed 2f0c61c99d0518e6098dd89899b0a8ae...
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.