OpenTechnical

OT-2026-000070910

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000070910) never changes.

Identity and time

Publication numberOT-2026-000070910 · never reused
Internal UUID01a0ae91-8c2d-7a71-9ab7-b8b959e92704 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070910
StatusPUBLIC

Content hashes

Canonical text12589cfb48c0f3f7d616b30fa49805a3172b0443b97b3597fb6482178c660116
Markdown1ac4a7d2bf5cb4db5fe9e14db71000a03142cd4490525f26634c88178345827a
PDF
Publication page0ecf5b24b55d9bc22dd4ec5775bd179e27c4b53ac6c79c55f099c631eab58ee1
Manifest5d8c5ee759d13094a8cc1e384ed83ec53d527ff7f60c75c4143499ac4661b558

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
SignatureC9auQ73lo2Qjcglcz/qSU0cPN3MZN926o2NAAuqTP4HWpTZwTIgOi/LfJOc2BYap0LcY1To34IVlBMQKErLUCg==
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

2026-09-17T10:25:44.395171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070910
observed 0ecf5b24b55d9bc22dd4ec5775bd179e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.378691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070910/manifest.json
observed 5d8c5ee759d13094a8cc1e384ed83ec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.363602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070910/publication.md
observed 1ac4a7d2bf5cb4db5fe9e14db71000a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.347446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070910/publication.txt
observed 12589cfb48c0f3f7d616b30fa49805a3...
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.