OpenTechnical

OT-2026-000018364

Publication integrity record

Four bellows cup vacuum gripper, four 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-2026-000018364) never changes.

Identity and time

Publication numberOT-2026-000018364 · never reused
Internal UUID01a0ae6e-b489-7312-a1cf-bb0da7aea494 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018364
StatusPUBLIC

Content hashes

Canonical text0a074c0c2912c98cffe777a624ce71c73b27bd682e79e7f2036239f35d2de205
Markdownba5fb45aac8f9f0299d768088b0e5c8328dbccdef27fafa10be2acb289f6fef4
PDF
Publication pagef10694bfa8ae1dfd662fe36b9679ff04e41826853db632ac044ff88a560a00b5
Manifest2ad56417db9aab4c8f265d05c9044b4350b4273c511c8ca0ccf6a293bb615333

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
SignatureCAbbmu6XVFEby2YxAHI6H/nVlMJoJGVTXn+N7rYqz2jtq5fHJLJoXQD72KTpqoB6B87ya7l0EjRrGw9zIJ6oBw==
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

2026-09-17T12:01:06.015867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018364
observed f10694bfa8ae1dfd662fe36b9679ff04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.997855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018364/manifest.json
observed 2ad56417db9aab4c8f265d05c9044b43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.980505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018364/publication.md
observed ba5fb45aac8f9f0299d768088b0e5c83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:05.964638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018364/publication.txt
observed 0a074c0c2912c98cffe777a624ce71c7...
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.