OpenTechnical

OT-2026-000048020

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000048020) never changes.

Identity and time

Publication numberOT-2026-000048020 · never reused
Internal UUID01a0ae7f-c423-7372-a0f6-8ab3eadbcc69 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048020
StatusPUBLIC

Content hashes

Canonical textf3c4c80f9a9d4047ee2da8ca72c6a6245bdc77a795916a863b317a24f61c7745
Markdownd550e8077d23cb1a6325cafab1a32cbd88fa5de25707727b4c06078142536e75
PDF
Publication pageacc3fab86e6306631de3a64e3360dc33aa5b73e5b77f4a1127014d6c071f2c09
Manifestffa01fced3a07d2c487cc400eeadb73aebc1ed528cddd11225b71f28cfbd05ae

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
SignatureihDLhjBXxeDvj12tAL3hdQLNp6+uA4YJSXPpVHYj/JN/iNo38ltrb04+0BQ4A5QCdwtJKw8vTl+afK45UanSAg==
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

2026-09-17T11:06:00.923619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048020
observed acc3fab86e6306631de3a64e3360dc33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.905372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048020/manifest.json
observed ffa01fced3a07d2c487cc400eeadb73a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.887797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048020/publication.md
observed d550e8077d23cb1a6325cafab1a32cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:00.868519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048020/publication.txt
observed f3c4c80f9a9d4047ee2da8ca72c6a624...
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.