OpenTechnical

OT-2026-000037405

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000037405) never changes.

Identity and time

Publication numberOT-2026-000037405 · never reused
Internal UUID01a0ae77-b8cd-7d23-9647-450f2a544e78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037405
StatusPUBLIC

Content hashes

Canonical text8003911764d754a61b8281fa21057b5a800fcf16409027ac8f1b90bbc003da61
Markdownb649e214ee45e07680b8037ab0d0cd85b4bb7ffa24102e4940c08be633e9ab74
PDF
Publication page1fc041473ed3818528eb9508d653ef4e54d513d66b1b8b21ef91a006a35b8c0c
Manifestc73004e614dbcdfe52d8f503f3e48846019895bff97dbd7d4e19caac8be5da0a

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
SignaturelslcjKdQxSzC1rdMrfmDMAXzTn2CNqUVUDpSAGer5N+qw7WXRROFPBraxlj1PDyGB7GbCTONivYJaObS+YgtCg==
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

2026-09-17T11:23:50.282334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037405
observed 1fc041473ed3818528eb9508d653ef4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.264558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037405/manifest.json
observed c73004e614dbcdfe52d8f503f3e48846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.247126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037405/publication.md
observed b649e214ee45e07680b8037ab0d0cd85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.231368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037405/publication.txt
observed 8003911764d754a61b8281fa21057b5a...
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.