OpenTechnical

OT-2026-000017223

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000017223) never changes.

Identity and time

Publication numberOT-2026-000017223 · never reused
Internal UUID01a0ae6e-76c7-7c61-8de1-922401e20bbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017223
StatusPUBLIC

Content hashes

Canonical text2599fc05cb68e76a0e5fe176b2205cac8b82a6521d1607c109a9b91207dbf739
Markdown8eda65655f54cb1f2ddfb4b9ebc30fbbde44b245378a8c0338eda04350bca12f
PDF
Publication page5c8161f05aabe19f93da699d36e65d1ab52f7e0cfc83502b779f8c84c906f83e
Manifest8aa0b0fa775366004d3b3b216a524175bfa2587daf597688683c563311e0b431

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
SignatureMGnzvBBorXypMkOQTwXbsL0VLd0H2mzvf+A+MYBBgpmhPdq9eqz1td/UGh9GuYUDMJpytDg3y6b5hKCU6pRQCQ==
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

2026-09-17T12:02:18.171696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017223
observed 5c8161f05aabe19f93da699d36e65d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.156430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017223/manifest.json
observed 8aa0b0fa775366004d3b3b216a524175...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.139999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017223/publication.md
observed 8eda65655f54cb1f2ddfb4b9ebc30fbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:18.122759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017223/publication.txt
observed 2599fc05cb68e76a0e5fe176b2205cac...
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.