OpenTechnical

OT-2026-000089376

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089376) never changes.

Identity and time

Publication numberOT-2026-000089376 · never reused
Internal UUID01a0ae9b-db01-7780-8831-af1c57b8a8a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089376
StatusPUBLIC

Content hashes

Canonical text9bf9e14e01c863c7c4ebd5f062d70c28a15270da186102936b0db8e78b89e973
Markdowna80c585ebe3d3d90406dec9b74aaa1717744b71c76caea07499887dd0f4acf2c
PDF
Publication pagea22b174eadd0329799e83c20ee50546a16e552ff71cb1c6e7f69372680cb9eca
Manifest6894b07658a5c4afb0440ce5e1c1806ecbef10e603815504845a1e1ed4f8801a

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
Signature7SCxytXgajk8Vi5IKZr56Dl1hCUwiBbCp1YqeuWkH95etWP6cuC+4q5mf+9MGvURBNrIzhSsFtUDop3V2oQJBg==
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

2026-09-17T09:46:54.904451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089376
observed a22b174eadd0329799e83c20ee50546a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.886644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089376/manifest.json
observed 6894b07658a5c4afb0440ce5e1c1806e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.849293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089376/publication.md
observed a80c585ebe3d3d90406dec9b74aaa171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:54.813424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089376/publication.txt
observed 9bf9e14e01c863c7c4ebd5f062d70c28...
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.