OpenTechnical

OT-2026-000070570

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000070570) never changes.

Identity and time

Publication numberOT-2026-000070570 · never reused
Internal UUID01a0ae91-5460-7133-808b-01962d5b1327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070570
StatusPUBLIC

Content hashes

Canonical textd498159cfa69bf7a54826f0d84625db0f82065d53ea03bb327421b3aaabc6eda
Markdownf2b8e657526a2eb752cb865237248fa30c8b341cb304e41cf6038534868a269d
PDF
Publication page62b5d838c0e5fad206544a706cb6c6033f410f14a22af546f6d5d24010f26028
Manifest8b39970650d29e974a679457e2befb30707997f88864fa00a60885b913b3bfeb

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
Signature+C9HbvtSvxK7BxUIkYWMZp5gx2OZktEs5Fy9IqDikFZ8cLE/LujqWUqEoS0SVMiP5NhrZf44PMRL4QXuHySvCw==
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

2026-09-17T10:26:25.283651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070570
observed 62b5d838c0e5fad206544a706cb6c603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.267178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070570/manifest.json
observed 8b39970650d29e974a679457e2befb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.249331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070570/publication.md
observed f2b8e657526a2eb752cb865237248fa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:25.233235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070570/publication.txt
observed d498159cfa69bf7a54826f0d84625db0...
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.