OpenTechnical

OT-2026-000069652

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained blow-off after 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-2026-000069652) never changes.

Identity and time

Publication numberOT-2026-000069652 · never reused
Internal UUID01a0ae90-b52c-7f6e-b408-5fe9ae0d7fee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069652
StatusPUBLIC

Content hashes

Canonical text66abe72e2eb622022c66822a9214cff696b68d826ee4703e6c85aed67e522846
Markdown020e039b95d3eb1abce0851b7f395cde1247887b8e9fca9a11d5e3d8a09a0e99
PDF
Publication page1b83b55fda7e1441101257d80ef07693e9133e8bf65a6026a59250050355db8d
Manifesta02272aa6cbe0455333e05eff8c4568142f9f97ef9096afe31b17434a5677f6d

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
SignatureZ1NDUpoFAEQqivOAgHxPpB7E/mJvbYjg6uEmDvlIuVZaqm6mzchXnHe9igeCDfQZ/Mrc1vFGZm8mgbpSYlePAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:28:19.131392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069652
observed 1b83b55fda7e1441101257d80ef07693...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.115347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069652/manifest.json
observed a02272aa6cbe0455333e05eff8c45681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.098264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069652/publication.md
observed 020e039b95d3eb1abce0851b7f395cde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:19.081007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069652/publication.txt
observed 66abe72e2eb622022c66822a9214cff6...
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.