OpenTechnical

OT-2026-000022956

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, manifold 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-2026-000022956) never changes.

Identity and time

Publication numberOT-2026-000022956 · never reused
Internal UUID01a0ae70-46ec-75b4-8c10-afc171033003 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022956
StatusPUBLIC

Content hashes

Canonical textad96df8f71e2d4ef86b3fe77233086576c607698ba36ee76535bd44d2327d380
Markdowne2a2b87e903efc9d9aa04c1dc9e25a82720bda4d324a0b7cddbd6c3c92c9d3fb
PDF
Publication page346b81ddf09185306e97258bec96e2f16df64b3720d811afe18e2348755f1a90
Manifest555fea96a1322a9df7ff5a0fb5c2c1d7716dc44ed955dcbcc85f05d023fa8e3b

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
SignatureknCqKbDIBpWSs2sTnLcXW7Bs7N2pdN3ZKSEZ7K7u7DpjUvSH44+r7A8ax5Vbrgxz7EfXsto5Qjo2GpLNUDpQDg==
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

2026-09-17T11:52:32.437229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022956
observed 346b81ddf09185306e97258bec96e2f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.419334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022956/manifest.json
observed 555fea96a1322a9df7ff5a0fb5c2c1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.401352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022956/publication.md
observed e2a2b87e903efc9d9aa04c1dc9e25a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:32.383629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022956/publication.txt
observed ad96df8f71e2d4ef86b3fe7723308657...
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.