OpenTechnical

OT-2026-000102060

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, three stage ejector, pulsed 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-2026-000102060) never changes.

Identity and time

Publication numberOT-2026-000102060 · never reused
Internal UUID01a0aea4-50f2-7ae9-8c75-4987a4d36157 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102060
StatusPUBLIC

Content hashes

Canonical text251b03242b01a9db8452e04a4a8c9d8e579f6538aeaaeb468ac98c8df7b20d4e
Markdowndce8baae84ab6b13480057544eef32ff46c44a643199c00c009f5f0931239cf5
PDF
Publication pageb60f450804a0a811dfabe076a6074224645b55b8e8822582e0f43ec5bee3094e
Manifest9d7d3488b2dd3bb3825e8e18194c8cc4ac19078cc187a7e9f40412e9f397baa4

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
SignaturewCfQ4Nz3IvyP4zagza8InhdYWK8Lngk4/MI5PSL/fWXNdtAOza9Xjf/fR7Kb5S2tYnDw4+shu/F2EaGgFgVvAw==
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

2026-09-17T09:25:12.221549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102060
observed b60f450804a0a811dfabe076a6074224...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.203844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102060/manifest.json
observed 9d7d3488b2dd3bb3825e8e18194c8cc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.186763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102060/publication.md
observed dce8baae84ab6b13480057544eef32ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:12.164785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102060/publication.txt
observed 251b03242b01a9db8452e04a4a8c9d8e...
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.