OpenTechnical

OT-2026-000066207

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000066207) never changes.

Identity and time

Publication numberOT-2026-000066207 · never reused
Internal UUID01a0ae8e-8dc3-7f49-97da-cf96bec98dd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066207
StatusPUBLIC

Content hashes

Canonical textbf5d3be884f1c23141cb7cda9428b773121e00276775cef2723f08a8ff8177af
Markdownf7ea5b3b982b151b8ac678b314eb3e97ee19862dc24bb4ac9ebcf7d418ef539a
PDF
Publication pagec5e136a0a86bb7d8ff231afe6654c7b14c45db2b1c733db1266dfdecc583f697
Manifesta3c2bdef09634462477cec04a28f1e5a710008e21201d9565b1f052c28185989

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
SignaturefhZEcwH8V5r5f8f6RhVp9mK/7QKJ/t6nxYRtNIfmkMiccljokwXNpUUKvYpiT157qJt8IJGyFQsisMo+FIxvAA==
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

2026-09-17T10:33:21.979546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066207
observed c5e136a0a86bb7d8ff231afe6654c7b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.961711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066207/manifest.json
observed a3c2bdef09634462477cec04a28f1e5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.943630ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066207/publication.md
observed f7ea5b3b982b151b8ac678b314eb3e97...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:21.925819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066207/publication.txt
observed bf5d3be884f1c23141cb7cda9428b773...
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.