OpenTechnical

OT-2026-000012958

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000012958) never changes.

Identity and time

Publication numberOT-2026-000012958 · never reused
Internal UUID01a0ae6d-5564-74a1-b85e-2185c12442e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012958
StatusPUBLIC

Content hashes

Canonical text6563643a69432cb2edaedfa28c8474fab39dabbf35806fc24fc1651d24eef895
Markdownab9e0db4eb11b8e6abe95886b393cec1bd8df3f48f339cbb491de242d39234da
PDF
Publication page51e917816a71b5fe55f2cfb196951051750881ee17b316d3e9cccbb5aa39805e
Manifest5e5c3e40cab6a789109dbb65c20872d978ad086fe30de1ca49bc2c04847cda6f

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
SignatureQsSrQBKxPfoJukGaJdO9hm6/aO7NMcdpAmJ7ldRQs8YnEPqBVXET6V4lnvj20q/9vQYuAZEeffrI7kn97KosAw==
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

2026-09-17T12:10:45.968910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012958
observed 51e917816a71b5fe55f2cfb196951051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.951177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012958/manifest.json
observed 5e5c3e40cab6a789109dbb65c20872d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.931678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012958/publication.md
observed ab9e0db4eb11b8e6abe95886b393cec1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:45.911556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012958/publication.txt
observed 6563643a69432cb2edaedfa28c8474fa...
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.