OpenTechnical

OT-2026-000085551

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000085551) never changes.

Identity and time

Publication numberOT-2026-000085551 · never reused
Internal UUID01a0ae99-aaac-7614-ac5e-de828155ac9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085551
StatusPUBLIC

Content hashes

Canonical textcb56d80b5a04213a3c0f63aeb7bcd5e690926a09f49e9911117d89f920c71740
Markdownbbb98f95c53d0f3cb5ee5bd33cf28655b4925989b4c2c8da8a3ddb56c1215b60
PDF
Publication page4744063d6d29c1e1803a057e2ea0c752df168fbff5afaac8128747d1dd581d93
Manifest8b674d57e6a846adcb3219a97cf455c5cecc1569e318bddf7bf58d7c4b97c858

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
SignatureThM+S/T3Myxh5qbhKKgtlDu1aB+9Z+P8vZ2dpx1vKFaHZKaNhrzrim+WUYHEBSmDhYtsaz4E2ii4mhvQBFgVAQ==
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

2026-09-17T09:54:22.261583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085551
observed 4744063d6d29c1e1803a057e2ea0c752...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.244445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085551/manifest.json
observed 8b674d57e6a846adcb3219a97cf455c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.226000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085551/publication.md
observed bbb98f95c53d0f3cb5ee5bd33cf28655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:22.209392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085551/publication.txt
observed cb56d80b5a04213a3c0f63aeb7bcd5e6...
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.