OpenTechnical

OT-2026-000064188

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000064188) never changes.

Identity and time

Publication numberOT-2026-000064188 · never reused
Internal UUID01a0ae8d-a45f-703e-911c-bbdbde6b33a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064188
StatusPUBLIC

Content hashes

Canonical textb853f445fe225e96eeb24026266bc0dfaf17c4ceaf6a96c536c558ba9dcf28e0
Markdown5e440bea7f6cde93732d093968f5931fe50920bd4e4f495127f650bf1dd4ff19
PDF
Publication pagee6b3f10afea8f6bb034610fca7564fd588fddcba5192204ae52e7b33c46cbc50
Manifestd56786dc61f7a127399f874d811306e1a44cd7a3406e06e92134502800615122

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
SignatureMfeCpfCnNEenakxmkHpwVc6luri4nvZ2Dmh16kQpEpTDTUQJ1qDaYPHHUQGo/SCTw0cmDTO38+8NyTohgANzAQ==
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

2026-09-17T10:36:12.402640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064188
observed e6b3f10afea8f6bb034610fca7564fd5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.384481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064188/manifest.json
observed d56786dc61f7a127399f874d811306e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.367593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064188/publication.md
observed 5e440bea7f6cde93732d093968f5931f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:12.349336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064188/publication.txt
observed b853f445fe225e96eeb24026266bc0df...
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.