OpenTechnical

OT-2026-000093007

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000093007) never changes.

Identity and time

Publication numberOT-2026-000093007 · never reused
Internal UUID01a0ae9e-090f-738e-a207-7b502899e2c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093007
StatusPUBLIC

Content hashes

Canonical texteb35dedf2a9fb86daada7b8a580b1e68d5753934eafbce1763fd5b248304ac68
Markdownc428318dbda3426440002e8e14daf22406cdf418288a89b6b72f4715b05a046e
PDF
Publication page592ab63483ed76206e42128198c3fe6eb7fb003024cee96c45adf2d29a5d4aa2
Manifestd1940b86a1ce12fd71d11bb58fccde58ee2ad5555d8cbdb89d7354c224ac0b94

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
Signaturey/evLwH+SrRBaFGO44XpD8O+j6qbFlXSZYxE7h5Odw8VYww9oDUVcguVY3FBV9qvP8NBwd3DV/rnOFShfeZPAQ==
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

2026-09-17T09:40:12.869253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093007
observed 592ab63483ed76206e42128198c3fe6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.851210ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093007/manifest.json
observed d1940b86a1ce12fd71d11bb58fccde58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.830630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093007/publication.md
observed c428318dbda3426440002e8e14daf224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.813208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093007/publication.txt
observed eb35dedf2a9fb86daada7b8a580b1e68...
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.