OpenTechnical

OT-2026-000086690

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single 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-2026-000086690) never changes.

Identity and time

Publication numberOT-2026-000086690 · never reused
Internal UUID01a0ae9a-2c99-7de6-b3f1-c72e618e2137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086690
StatusPUBLIC

Content hashes

Canonical text5a4e2f9e1b462130b4034b53da24eb89810b22156e08bf5abe6f4a853f32fd48
Markdownb9b01eb17c573a8362199151bd1e905ca58d3799c6513afd90f7ea085506f94e
PDF
Publication page20aa8ff9a93f5f69095a73ede9c269d78d56cb59c2e5512c7de47494ff5fdbf0
Manifestdfb9155ccf3ec311c461c696d03eaf6013c94adf04fdbf4736b8bbc15f2559e0

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
SignatureSh/+pYCIVuyCbeDvX7A1h8+lksNIST3PeiTyPzid+YqUduSnUyHBsa/Qs/AMMbdQy57aJvW/OLOxgnHrNxW7AA==
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

2026-09-17T09:52:33.553200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086690
observed 20aa8ff9a93f5f69095a73ede9c269d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.534805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086690/manifest.json
observed dfb9155ccf3ec311c461c696d03eaf60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.517937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086690/publication.md
observed b9b01eb17c573a8362199151bd1e905c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:33.499137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086690/publication.txt
observed 5a4e2f9e1b462130b4034b53da24eb89...
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.