OpenTechnical

OT-2026-000085385

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000085385) never changes.

Identity and time

Publication numberOT-2026-000085385 · never reused
Internal UUID01a0ae99-aaab-7988-b82c-5e722ba9e9be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085385
StatusPUBLIC

Content hashes

Canonical textdceadd072f4c3f7b27775a26a41f43445087806304ed35d24be6b3ced216df16
Markdown8717f6fb59f33d11a4a04c5ddfe3f630b158d4714e1a81b3c0b8a7c0a225060d
PDF
Publication pageb0c25200e54177f6d8a0d766050e41b77702e08343062e4c19ac95e569f489dd
Manifest51128d6bc36f64b2c24790369096435cf070874a39f24e5dc0503ffafacaf163

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
SignaturepDeJDkqgrmSrePl5byZ4ZiRiRPWrj9+8BKtw4dZ9yUaXrPUoQ/Q3xQ0LC0CPGnXNBCG+ulfqxZJFEUAqwN8rAQ==
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

2026-09-17T09:54:08.927783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085385
observed b0c25200e54177f6d8a0d766050e41b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:08.910213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085385/manifest.json
observed 51128d6bc36f64b2c24790369096435c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:08.890898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085385/publication.md
observed 8717f6fb59f33d11a4a04c5ddfe3f630...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:08.871517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085385/publication.txt
observed dceadd072f4c3f7b27775a26a41f4344...
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.