OpenTechnical

OT-2026-000098550

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000098550) never changes.

Identity and time

Publication numberOT-2026-000098550 · never reused
Internal UUID01a0aea1-e966-7960-80d2-398e70da9210 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098550
StatusPUBLIC

Content hashes

Canonical textceb2031aa89ec628978b37cdf92b5d103ffe066cd1b1b3fb1ceae1b0a64e974c
Markdown6fcb236160a3e6bfc162bd19efdcc78cee16fe354d3c28d6a16ee349b714c0a1
PDF
Publication page593015757a5673358e980323df6233209a3a03dcba2248f0ec861c83d2e4fcee
Manifestc9d2e08f79fde2ac8b5bc71e141ee92e02bf9f325fcfbfb316a547b94210a456

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
Signaturevyi/S/oAqcbS2y2/ERLSE7TK6+TOZkwYz+wdwfunvHEdROBH9qU9vnZ9lpTDVlo9HuBmi9wgjosr1nxeCol5Dg==
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

2026-09-17T09:32:26.004674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098550
observed 593015757a5673358e980323df623320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.986640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098550/manifest.json
observed c9d2e08f79fde2ac8b5bc71e141ee92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.964394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098550/publication.md
observed 6fcb236160a3e6bfc162bd19efdcc78c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:25.943976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098550/publication.txt
observed ceb2031aa89ec628978b37cdf92b5d10...
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.