OpenTechnical

OT-2026-000033062

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed blow-off after 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-2026-000033062) never changes.

Identity and time

Publication numberOT-2026-000033062 · never reused
Internal UUID01a0ae75-4843-7681-8a9f-5d4c9eac3260 · 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-2026-000033062
StatusPUBLIC

Content hashes

Canonical text78889807a6995c5c7524288b0dcc1d0ebf4edebe6b4aca4e21362481a26ecd08
Markdown614d556c98102b154a9e5de72014f5dd57bf4b26f54b9de339eed104eedfe85a
PDF
Publication page107b7e39018fc2b085ccf3144ac6d8efad19de2679e4b958f45de80a9a77cf82
Manifestaea048847c4a46236ca1c7b472b3d1c67638a20eafd57c34dfa25f9a3bbe369c

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
SignatureQyMsikGntvGHwue4W0Upa1L6E6vI3bfdpwIN4lKph7ElS91D2m5gARAchf/udRy/w0SuR7I+ENy+9a9HPxUyDg==
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

2026-09-17T11:32:42.336714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033062
observed 107b7e39018fc2b085ccf3144ac6d8ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.321512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033062/manifest.json
observed aea048847c4a46236ca1c7b472b3d1c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.303307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033062/publication.md
observed 614d556c98102b154a9e5de72014f5dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.272836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033062/publication.txt
observed 78889807a6995c5c7524288b0dcc1d0e...
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.