OpenTechnical

OT-2026-000031443

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, pulsed blow-off before set-down

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-2026-000031443) never changes.

Identity and time

Publication numberOT-2026-000031443 · never reused
Internal UUID01a0ae74-87ad-7512-8745-b079da09bdd6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031443
StatusPUBLIC

Content hashes

Canonical text5c6e0927ecd8def306092dccad6c5e941a75209fe0bed6c1a1d438e5471c4087
Markdownfeacf42b2dad8d3c46d9d7f03a37fcad0b0c198a65367b69d8fbe064fa4744f2
PDF
Publication pagef1c5bd38a0f4335e1cb5c348bca271df2674afd9757d9e8e03c209a89dbe8da8
Manifest9a42bdc813a632cbfe8b5a65b3e02f99331fa58a21a6f3b82ac1238633d510ee

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
SignatureDWiwtBKmex61MlyQLGsw8b52iepv5sB619EfXJpQSVd9/z3Mh6biNZEim5VvqHyU3zrZAJsVPpM4g/epl5MdCA==
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

2026-09-17T11:36:10.020554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031443
observed f1c5bd38a0f4335e1cb5c348bca271df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:10.002428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031443/manifest.json
observed 9a42bdc813a632cbfe8b5a65b3e02f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.985160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031443/publication.md
observed feacf42b2dad8d3c46d9d7f03a37fcad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:09.965145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031443/publication.txt
observed 5c6e0927ecd8def306092dccad6c5e94...
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.