OpenTechnical

OT-2026-000016233

Publication integrity record

Six 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-2026-000016233) never changes.

Identity and time

Publication numberOT-2026-000016233 · never reused
Internal UUID01a0ae6e-2d11-7baa-8695-c06bf564180b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016233
StatusPUBLIC

Content hashes

Canonical text5c17e043f951f14ccf5782e05a20e2f5c2b74d646d352b88620eca17d917e674
Markdownb56b2c73c1bce01a0fc40b9aa83a74dfc0e707cb00380b2eeec8310edbe92758
PDF
Publication page28bb33c673797ca419410fcc4be49bec57b67200db591d9f952d0b051e7d43e4
Manifest361425cd4e06b0cf6109e772540c4f6d5ec00519c53c070cfc60acf10e347e30

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
SignatureUyVm2thVmwJxBMClm9fsjt+3RFgq4CgZ40lu6yMYdDOl0TGyudX/qMEg99gvY0cTISrufOcX/iOtJiqAlvz6AA==
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

2026-09-17T12:03:42.008685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016233
observed 28bb33c673797ca419410fcc4be49bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.990499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016233/manifest.json
observed 361425cd4e06b0cf6109e772540c4f6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.972766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016233/publication.md
observed b56b2c73c1bce01a0fc40b9aa83a74df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:41.955188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016233/publication.txt
observed 5c17e043f951f14ccf5782e05a20e2f5...
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.