OpenTechnical

OT-2026-000077373

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed blow-off before 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-2026-000077373) never changes.

Identity and time

Publication numberOT-2026-000077373 · never reused
Internal UUID01a0ae94-f509-7165-a612-fcc24665ad55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077373
StatusPUBLIC

Content hashes

Canonical text0de58fcfd13d61b44ae0e787a90cb1a62db92f595530885af64c34e7b29a998e
Markdown012d10e88a37eab1e1830020357aff99fdff924acd7ecda63aa65c78e552fdac
PDF
Publication page9d727a76e9818a15b38c28decf7103974d87f53140929ab150177b1117cd9515
Manifest8c2728cb99486142bea5c5275c60fc1b7dca68940703417e7b1596c5d3e4ed5e

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
SignatureS2/tgrZAdzHlk4rNsY5tBeKmgDOFsAUWbw+UmkY728RWf1FQVJAFVX+K45CPnDkdqNl3ZcfMMnP/yJUzTcqRAg==
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

2026-09-17T10:09:01.086793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077373
observed 9d727a76e9818a15b38c28decf710397...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.070707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077373/manifest.json
observed 8c2728cb99486142bea5c5275c60fc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.053274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077373/publication.md
observed 012d10e88a37eab1e1830020357aff99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:01.034312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077373/publication.txt
observed 0de58fcfd13d61b44ae0e787a90cb1a6...
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.