OpenTechnical

OT-2026-000100169

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained 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-2026-000100169) never changes.

Identity and time

Publication numberOT-2026-000100169 · never reused
Internal UUID01a0aea3-3052-7a14-bab0-2937583f34c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100169
StatusPUBLIC

Content hashes

Canonical text93bfa13aea72d3b1c3f21cd82a451e849ff023b053bf5d942d6cc5e67889dfb7
Markdownf3dcae900939fcdf263f368ee7863e675edac833625decc4306f787c7f7733bc
PDF
Publication page37b46c1d7d849f61b2163432bb1f71d418ca8b2451d961a66b6af54f8bb4ba15
Manifest29ac75ec72df66242efae54a7ae651c18c06f8aca8b15ea8fa29cb778627f2d9

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
SignaturejhqBFgf8YY66fKKXoacNhRguES5ps2kkOnWihb7sf/jCDeXwGJzjxD4XbXdnZbZPbk3Vxx6GThmatZG4OUSXBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:52.787584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100169
observed 37b46c1d7d849f61b2163432bb1f71d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.769166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100169/manifest.json
observed 29ac75ec72df66242efae54a7ae651c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.750136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100169/publication.md
observed f3dcae900939fcdf263f368ee7863e67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.731338ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100169/publication.txt
observed 93bfa13aea72d3b1c3f21cd82a451e84...
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.