OpenTechnical

OT-2026-000018942

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000018942) never changes.

Identity and time

Publication numberOT-2026-000018942 · never reused
Internal UUID01a0ae6e-d522-7979-9ead-402f211bb1af · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018942
StatusPUBLIC

Content hashes

Canonical text8762b0a8cbc3506e31e185f8d9a217e50b4c53f882746973b4ca43cae963e7f0
Markdown17f2d42d74b6fa122ba2b37f6fbe0abf0691da1fc2089b021912f28ffe9232e6
PDF
Publication page50c54c3d0791308ddbb0a5843191da2b9b2a41525da376cff57079781f4dc8dd
Manifestda25287c7a5280f20c2188c37c4ecc2402afb60400260a5a6edd8d0900e6489f

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
SignatureHEylvkK5+DEPpJnYIRDBaYFcvR3h9kSjaTC31A883jMmZ+lsDAh7VnhWZygLZ3gPxwBdhTUUuQShDXa8yJfKBA==
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

2026-09-17T11:59:36.525091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018942
observed 50c54c3d0791308ddbb0a5843191da2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.506577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018942/manifest.json
observed da25287c7a5280f20c2188c37c4ecc24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.488144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018942/publication.md
observed 17f2d42d74b6fa122ba2b37f6fbe0abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:36.470226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018942/publication.txt
observed 8762b0a8cbc3506e31e185f8d9a217e5...
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.