OpenTechnical

OT-2026-000015868

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, pulsed 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-2026-000015868) never changes.

Identity and time

Publication numberOT-2026-000015868 · never reused
Internal UUID01a0ae6e-0c4c-7cbb-9ff2-cffae1b80105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015868
StatusPUBLIC

Content hashes

Canonical text0ad8d6dda3cb56c82e5191d295540b237f131a3cb0717ea11b89abea3ff299fb
Markdown9091d26a0bef0bcd06eae78e0423e80c20a3999f5d15a3711b2d79d101593886
PDF
Publication page201da25f548c0846465ec405ad8f11d045bb1126aed58165ff85a5ea69952d9e
Manifestb9fb1b8af2df1ee58ab77130f865bb8c3d8be4ce133bdea4dbb1e2f7876a4269

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
SignatureuQ6Syr2TXJbF5PXqV21xl3Z4+SzjPH0tBlszvPtK0dYdC9WeKmJj4f1022OlFQsb0M1LZB0PP6A5SoVhDUGdBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:18.849744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015868
observed 201da25f548c0846465ec405ad8f11d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.830065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015868/manifest.json
observed b9fb1b8af2df1ee58ab77130f865bb8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.811609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015868/publication.md
observed 9091d26a0bef0bcd06eae78e0423e80c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:18.792413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015868/publication.txt
observed 0ad8d6dda3cb56c82e5191d295540b23...
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.