OpenTechnical

OT-2026-000104211

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single 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-2026-000104211) never changes.

Identity and time

Publication numberOT-2026-000104211 · never reused
Internal UUID01a0aea5-3420-74c9-8111-d40f987c66d3 · 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-2026-000104211
StatusPUBLIC

Content hashes

Canonical textc35927ea6773985cfe4efe362aa121025b7a5680810979af0f29004e3819783d
Markdown7eabf4de1fa6780c85cea35deffe84c3784c9be1fc6e1c7671ed383619760766
PDF
Publication page65afea7d101135b2d56c13525fb926a68e6f26f37f97c76d7fba8fedd28c781c
Manifesteefdfb2e8a802bc126e6dac7f4929ad15f404775b578b9e1442ea7f2286d51ab

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
SignaturemhYCi1Iia2tvMR8zSaiyUMFDwSIg1a29Lqt5CfUMBepqRDlO5ByNfTqGB+JEpGAwJwFrc/4BaHS5WuoznBe3AQ==
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

2026-09-17T09:20:18.725528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104211
observed 65afea7d101135b2d56c13525fb926a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.708005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104211/manifest.json
observed eefdfb2e8a802bc126e6dac7f4929ad1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.690365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104211/publication.md
observed 7eabf4de1fa6780c85cea35deffe84c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:18.673352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104211/publication.txt
observed c35927ea6773985cfe4efe362aa12102...
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.