OpenTechnical

OT-2026-000018041

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two 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-2026-000018041) never changes.

Identity and time

Publication numberOT-2026-000018041 · never reused
Internal UUID01a0ae6e-96fc-7b95-b262-8625088b3de0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018041
StatusPUBLIC

Content hashes

Canonical text9f62d1584f0632ac64257d87b5c0bc3658455fe0aa82257f0f7f013dbdbab436
Markdown54449b8032ce3e874584d4276e2eb9ea6c8591a5f0ec9a8c847b5a0837b089d7
PDF
Publication pageed3ba63024d5cfb95123217a23e620b77128f9c56f012faae00ac5f6a5f7b128
Manifest7d5f8892f4335ebdfe1f292931f8e4b24abfe3ba258b1abd80ef3f70f7c0977e

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
SignaturercmWxwFN+K2MzGqQAnP90eO97WMvt0JOZsRvxbI2CxjJGrJeFifmqaoSfDJaIyrFKPfnLhByBNoUF3aCXBhRDQ==
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

2026-09-17T12:02:04.504661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018041
observed ed3ba63024d5cfb95123217a23e620b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.488949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018041/manifest.json
observed 7d5f8892f4335ebdfe1f292931f8e4b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.471153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018041/publication.md
observed 54449b8032ce3e874584d4276e2eb9ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:04.453622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018041/publication.txt
observed 9f62d1584f0632ac64257d87b5c0bc36...
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.