OpenTechnical

OT-2026-000104213

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000104213) never changes.

Identity and time

Publication numberOT-2026-000104213 · never reused
Internal UUID01a0aea5-3420-7f6b-8a61-e13dd4356e85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104213
StatusPUBLIC

Content hashes

Canonical text2fdd64916f82a058af6c2426b3839ad518438940b48a942afe8b022bebc2d904
Markdown322e79a290403d2c90c6590354a20057e15535e6fcd3ab6167b3ed6c33f9cadb
PDF
Publication page54fba77493e359f0b58beb437a7262c4fe5c99b6be38caef9adafbab1a3bba5b
Manifest13efb2239b35433689c76e6a7489e945a112eef989fa81070a25f3f3230d5651

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
SignatureisjfAZv3PcQZXDipej1XFXNs2VSIPKcjaImkIJpx7+lh5oKGvxbu44gKzlOwwobQL3gFlL/inVghmKqQ+4KhDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:18.878439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104213
observed 54fba77493e359f0b58beb437a7262c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.857980ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104213/manifest.json
observed 13efb2239b35433689c76e6a7489e945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.842138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104213/publication.md
observed 322e79a290403d2c90c6590354a20057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.819314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104213/publication.txt
observed 2fdd64916f82a058af6c2426b3839ad5...
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.