OpenTechnical

OT-2026-000018672

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000018672) never changes.

Identity and time

Publication numberOT-2026-000018672 · never reused
Internal UUID01a0ae6e-d520-7107-a5de-d10fb76e07e3 · 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-2026-000018672
StatusPUBLIC

Content hashes

Canonical text18df0405992b909ae93ae57afae8ad22c691884a8659f3be07e82d5fcdd0303c
Markdown0929c5566afca95df01ab314ba8b9dfcbfd5bd41d79b72cb5151ad9bfe1635ea
PDF
Publication page4bc51c88dc1a693724d5c0ae1ba81507575533314d9e55551b78cdacab3b132f
Manifest1d13ffa4992c63708bf5c6d9cc3b94768ea7c1a22cbe173cfb8270629de9aac3

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
SignatureRntswUt6GiEl6WnAF7tjZ6q43FaRxVqpVWYxcuE67jFjlXY9JEjqFf/dY+fv/Ij/Dc8D3cBV8P5QCDbE2awbAg==
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

2026-09-17T11:59:15.982664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018672
observed 4bc51c88dc1a693724d5c0ae1ba81507...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.963716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018672/manifest.json
observed 1d13ffa4992c63708bf5c6d9cc3b9476...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.945753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018672/publication.md
observed 0929c5566afca95df01ab314ba8b9dfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:15.928089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018672/publication.txt
observed 18df0405992b909ae93ae57afae8ad22...
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.