OpenTechnical

OT-2026-000022579

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pulsed 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-2026-000022579) never changes.

Identity and time

Publication numberOT-2026-000022579 · never reused
Internal UUID01a0ae6f-f4ff-7fae-b6c7-d44c44938653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022579
StatusPUBLIC

Content hashes

Canonical text614b384d58757329e85f8db397fbfb5c2cc0501aacffe9bef409ea1539955ffa
Markdown121dd1710c2cdc1015015de426793fa7e754f734b88fe98ca6fa4a4f13b9e894
PDF
Publication page2f8fee9ae907f9285f13bcd5f5fb5d1b3cd859555dc2c285f5dd19399d366c13
Manifeste710e3b84c06e52a0792963fc4b1b5439a5417b53d00c7583df0483c9a9c91f3

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
SignatureFhEeB+iZnqMaN+SwJZIYcODRPwN68EesQVJ8yng42nmf1SESSxR81UcTSRiOYT9TR5iydwBc6guSP7qM76w1Cg==
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

2026-09-17T11:54:01.244257ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022579
observed 2f8fee9ae907f9285f13bcd5f5fb5d1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.225966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022579/manifest.json
observed e710e3b84c06e52a0792963fc4b1b543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.205863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022579/publication.md
observed 121dd1710c2cdc1015015de426793fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:01.189330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022579/publication.txt
observed 614b384d58757329e85f8db397fbfb5c...
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.