OpenTechnical

OT-2026-000039600

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000039600) never changes.

Identity and time

Publication numberOT-2026-000039600 · never reused
Internal UUID01a0ae78-d8d4-797e-8a2a-e71f588b4183 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039600
StatusPUBLIC

Content hashes

Canonical text02b75437ce813d2195b840dba07ef8e6c3d6b4d693c6ee36299ee0b8bad649e8
Markdown9ba64d3306aaca5bc8dce3e04adda369d69220e7fd41f5203c86169cfc3b45ce
PDF
Publication pagee61b175c5a8e7b2d3c3818208bba8854ca319d79e22db0c5d2c6bc99dedbee9e
Manifest6ee464ae8e8fe80a1ee4645d7b568ba9c913318657d6b8ac8d9e31d88f86c903

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
SignaturerWDsH5WUwAugvrPUK3P/uQQ6+3FGmYmZFPtmxmXBuMnNlyBRhFf33EBIXhLwpf9+QU5Wvk5wp1hdl9yFzWPsAg==
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

2026-09-17T11:19:45.656498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039600
observed e61b175c5a8e7b2d3c3818208bba8854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.639841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039600/manifest.json
observed 6ee464ae8e8fe80a1ee4645d7b568ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.619081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039600/publication.md
observed 9ba64d3306aaca5bc8dce3e04adda369...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:45.601769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039600/publication.txt
observed 02b75437ce813d2195b840dba07ef8e6...
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.