OpenTechnical

OT-2026-000097811

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000097811) never changes.

Identity and time

Publication numberOT-2026-000097811 · never reused
Internal UUID01a0aea1-92f6-74c9-af21-f30f7e7ec6f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097811
StatusPUBLIC

Content hashes

Canonical text7c7a139a4b26ccb16c55862feac7f9872e94fd8a9e6c80b4fd6608f238429cd4
Markdownfbb256e3fb9c01671f21f1b340a94e78519f8b9456b755c2b9de2325ba17c2b5
PDF
Publication page5935697c3c65ad5388cbf0ca62f04a7ccb2843fe63189aae63b2bef9016cf0c2
Manifest91de674c3068f4e9b3c7d9720f52af3dbf5bf576ac71bb0f35a6e980e1707099

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
Signatureci+nc5SL1Bj8hTP8jr6Ax+PVG91xcHgAllC9q3m0iAFJF2y3bI/mdg1wDn5sXV54mFA9ztDk1/fUl6JmMmVoAg==
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

2026-09-17T09:32:53.985398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097811
observed 5935697c3c65ad5388cbf0ca62f04a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.965552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097811/manifest.json
observed 91de674c3068f4e9b3c7d9720f52af3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.946434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097811/publication.md
observed fbb256e3fb9c01671f21f1b340a94e78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:53.926712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097811/publication.txt
observed 7c7a139a4b26ccb16c55862feac7f987...
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.