OpenTechnical

OT-2026-000068941

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000068941) never changes.

Identity and time

Publication numberOT-2026-000068941 · never reused
Internal UUID01a0ae90-6dcd-7d7a-920b-ad6e59a1bcde · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068941
StatusPUBLIC

Content hashes

Canonical text60ad855db72036fa0aa03e46295eab133171773aa5309fb954470b7d78f48a24
Markdown9db866472b7cc03191f04f7ca61b9ff01b0405b71a750b373eb3c0e2168f3487
PDF
Publication page684c771a43ead5b7b95f411128b1a25319c8e9ae958d016a5ee00310fa26fb7a
Manifest891fef21718dbe51a4cafd456f7cb9208770c168602b52a290732db71d88996c

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
SignatureetvXLYm6cOzYt457ckbn9QbuczJP27mefmb2Ywzjsr2aWK0V0kUt0YQmM3/GxrJHX2clnCKYyUgRnMqR8ZvSAw==
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

2026-09-17T10:28:46.460827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068941
observed 684c771a43ead5b7b95f411128b1a253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.443624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068941/manifest.json
observed 891fef21718dbe51a4cafd456f7cb920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.426978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068941/publication.md
observed 9db866472b7cc03191f04f7ca61b9ff0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:46.407763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068941/publication.txt
observed 60ad855db72036fa0aa03e46295eab13...
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.