OpenTechnical

OT-2026-000040581

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000040581) never changes.

Identity and time

Publication numberOT-2026-000040581 · never reused
Internal UUID01a0ae79-6d0e-75bb-8625-27580995d503 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040581
StatusPUBLIC

Content hashes

Canonical text6e3142ff9e0f81643fec56ad5b6c7ed923d08d674f301056c70061abb0a57c61
Markdowna30927e18bea40c12340c4c022b2179419bd5c7e37e9ef92ab31721c0eae7612
PDF
Publication page6a2033c4b8942aeaf5b6e138ea0c9baae4d4a14f4d835fb2f3e046f12aaf1ad9
Manifest0bba8292abcad546d336aa2dcb68c69dd899faf6c3055b0cb7ad0db5501073fe

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
SignatureQpkMkHkH9ntMC+fmfBfKIXTY2PuwOHWBGZoWM+5gm1kE+UulozJjdjPMEcyi77dBod97t6SAtmGmLFkFpO7LDg==
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

2026-09-17T11:17:44.907992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040581
observed 6a2033c4b8942aeaf5b6e138ea0c9baa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.889399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040581/manifest.json
observed 0bba8292abcad546d336aa2dcb68c69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.870998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040581/publication.md
observed a30927e18bea40c12340c4c022b21794...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:44.850509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040581/publication.txt
observed 6e3142ff9e0f81643fec56ad5b6c7ed9...
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.