OpenTechnical

OT-2026-000088653

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000088653) never changes.

Identity and time

Publication numberOT-2026-000088653 · never reused
Internal UUID01a0ae9b-8f0f-74d2-81c7-c6e9f117e5da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088653
StatusPUBLIC

Content hashes

Canonical text63b607f483a4859c8832b21979e4aeff841cd8b59b7527130ace3c289e047540
Markdowne86b2e7c28925e0db623d4af14dee46916761366ea89f36515772726440f597c
PDF
Publication page4305b8ef86996c31edd9125d4f25155881e9dfd893ba046e7e8dd810d127c6ad
Manifest53991608e1e7ba6f3019927fd1a2fbed4f2908fca5460bb3412953067c0dbec5

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
Signature7mknIapjdagizo69+JCDsYI2dr8Ny7vWIBl2NI5FBrEZOFBMXiF7xFqwLIzRwMt0wE51mq50nz2D5ayVafZ+BQ==
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

2026-09-17T09:47:52.602412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088653
observed 4305b8ef86996c31edd9125d4f251558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.584661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088653/manifest.json
observed 53991608e1e7ba6f3019927fd1a2fbed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.564744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088653/publication.md
observed e86b2e7c28925e0db623d4af14dee469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:52.547927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088653/publication.txt
observed 63b607f483a4859c8832b21979e4aeff...
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.