OpenTechnical

OT-2026-000007629

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum 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-2026-000007629) never changes.

Identity and time

Publication numberOT-2026-000007629 · never reused
Internal UUID01a0ae62-76bc-7f63-a3ed-87fcb0d18cc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007629
StatusPUBLIC

Content hashes

Canonical text99f2245a67318f41c570c03b4a35ac126abd912555316d30b5ced46915415b5e
Markdown005031b818552808ab4f7176884c57455ce3b2c2cd4d0f670ab9ef2704aa5478
PDF
Publication page2ce36b50ed6b9eeb946e52634ae3325de3bd6e0ab523eb68c9ef0179e07be3c7
Manifesta4f0917becc0ce2b5183483c53c66a66fdec043c5ad7adeae43e3d69674e72ba

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
SignaturevCCfs596x6L+6TpnyJ+gDFtRS4AqUmeY2m9dU6tA22+5agpN56mCFx/xhVeSBR6TsAkqOaC7jA6B0485Y0RqAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:12.242196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007629
observed 2ce36b50ed6b9eeb946e52634ae3325d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.225522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007629/manifest.json
observed a4f0917becc0ce2b5183483c53c66a66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.209152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007629/publication.md
observed 005031b818552808ab4f7176884c5745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:12.189520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007629/publication.txt
observed 99f2245a67318f41c570c03b4a35ac12...
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.