OpenTechnical

OT-2026-000041630

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained 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-2026-000041630) never changes.

Identity and time

Publication numberOT-2026-000041630 · never reused
Internal UUID01a0ae79-e8a0-7bb5-9501-8d8508de9242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041630
StatusPUBLIC

Content hashes

Canonical textd5d8c71f14a53580d1065fe17ad30902321874915cd12f4d4269dce8789d8277
Markdown3fc3a38c9c95731461d46f73c4143212c6107fa96a60e8fa2f3cffe98d5f5a02
PDF
Publication paged84bcbf568674398fe7f289cce159ad6e359befe511cc34ee562747f68a1c660
Manifest66de65888ded837ae0cee781a969e85d40b1df31a4eb9ce216772052f7de3330

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
Signature95QMhyL8ah98ZbCaTVCIxIaclBAZp69k0QKizxJigN13FMYzUNBMwJnoi99zz8yr7UJCjMKm2eLFsQ7gBqrUBQ==
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

2026-09-17T11:16:25.716020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041630
observed d84bcbf568674398fe7f289cce159ad6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.697771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041630/manifest.json
observed 66de65888ded837ae0cee781a969e85d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.681688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041630/publication.md
observed 3fc3a38c9c95731461d46f73c4143212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.665867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041630/publication.txt
observed d5d8c71f14a53580d1065fe17ad30902...
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.