OpenTechnical

OT-2026-000085301

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000085301) never changes.

Identity and time

Publication numberOT-2026-000085301 · never reused
Internal UUID01a0ae99-aaaa-7094-abd4-dc9052ec0834 · 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-2026-000085301
StatusPUBLIC

Content hashes

Canonical text716faaa47ec4980937e7dd89138ab342efed4a5ba5c99b50ff616cd46954fd40
Markdown5a4fbfc0524d9663e7956beeaccd5050c4b54d84db4df63a5cebd5117d880a26
PDF
Publication page7a93fd50567d8efb64ac6e21ab70ea725c7276304907bdbb85574602f7327610
Manifest3b983960c5c528808c51a039c97d9257841ad551b8ad58f6d13f7e977eb9a099

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
Signatureu3xR1RVmfi6ZkiLb2AqvlOUMTEfSUwcb897X4YkB8jppZWU2XRA5SE3/4qNbc4xr2jvHA9wHDyKeq0NZrLLwDQ==
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

2026-09-17T09:54:01.081577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085301
observed 7a93fd50567d8efb64ac6e21ab70ea72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.065324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085301/manifest.json
observed 3b983960c5c528808c51a039c97d9257...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.048227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085301/publication.md
observed 5a4fbfc0524d9663e7956beeaccd5050...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:01.029932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085301/publication.txt
observed 716faaa47ec4980937e7dd89138ab342...
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.