OpenTechnical

OT-2026-000063404

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000063404) never changes.

Identity and time

Publication numberOT-2026-000063404 · never reused
Internal UUID01a0ae8c-f944-7a59-93d2-38d035431685 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:49.602795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063404
StatusPUBLIC

Content hashes

Canonical text488d7a8a684796906b98cc406183e87e8bde26d3c0ff84d14ea467240871992c
Markdown94fe4218db0a47ce6c6c773ab71ceca49dfed5026866a4e8acb88be9de636499
PDF
Publication page6a5b86014c528a000aedbd6c2bf656b4e3c68cbf9bbf6d15123a91c5c3d87e60
Manifestf0e5c16f932ed029068dc6c8705a8ce37402e5bf1cb9239ea3413559d3c59a11

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
SignaturexNvYRwvhIAo7DiWTMzxkdD2JiSZiYI1HXbbzRPSrcwqH1zdFvHofE6Cd//VOlDi01/OaQ87Msp/qzUqFXzVnBA==
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

2026-09-17T10:37:19.384671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063404
observed 6a5b86014c528a000aedbd6c2bf656b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.367041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063404/manifest.json
observed f0e5c16f932ed029068dc6c8705a8ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.349001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063404/publication.md
observed 94fe4218db0a47ce6c6c773ab71ceca4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:37:19.331319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063404/publication.txt
observed 488d7a8a684796906b98cc406183e87e...
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.