OpenTechnical

OT-2026-000018440

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000018440) never changes.

Identity and time

Publication numberOT-2026-000018440 · never reused
Internal UUID01a0ae6e-b48a-7d48-84df-d351d343b94e · 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-2026-000018440
StatusPUBLIC

Content hashes

Canonical text856733eb425b94aa22a2963f5ddd67ffc981617af8149dc210626a70c8b840e4
Markdowna7a8181fe03b5503d966d8963159d750b35e57278d1b94ca70bb73699c0a3c5d
PDF
Publication pagea86ded41befb2c58b8bb6582f920727b431b83b59aa8e7cdd1d09d9658f45a65
Manifest2687c3310dc0fde6aed6d82cb7611b536791e83ed627cc3ae74bce383ba84a3a

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
SignatureiMgJN+r8yVCnksCZGY3NgvM5SfJS+f9HmhvDIxTL5COw56IEIABwnq8J0icu0Tu7+i2itSPmvxxEehR4t4zFAQ==
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

2026-09-17T12:01:11.682327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018440
observed a86ded41befb2c58b8bb6582f920727b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.663523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018440/manifest.json
observed 2687c3310dc0fde6aed6d82cb7611b53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.643625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018440/publication.md
observed a7a8181fe03b5503d966d8963159d750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:11.625572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018440/publication.txt
observed 856733eb425b94aa22a2963f5ddd67ff...
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.