OpenTechnical

OT-2026-000008432

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000008432) never changes.

Identity and time

Publication numberOT-2026-000008432 · never reused
Internal UUID01a0ae6a-e46a-757b-ac81-cfe64918b39c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008432
StatusPUBLIC

Content hashes

Canonical text25161718bc99062945e0168c65d73df90f2b8d63010528d1107445145c60a75e
Markdown667a67c631b7c5320ae0431fe96eb0126e9e52b930fb3442011b8050ec1340ca
PDF
Publication page1597b0f5343089ee69c8ce2115a74107bb9acf36668d21394dc13dddea042460
Manifest25a0672c2f2cf58223deee0225e8b6ec5a21cc974e339219150eee45a1317c20

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
Signatures/uaa5z1ZOW/jxUs50nEcff5WFH697NEtskiI8rDd3ibV1vSrzhdcsVp+eh142Z+tWS/z+urnpZOdBueh6ZXAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:17.492162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008432
observed 1597b0f5343089ee69c8ce2115a74107...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.468409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008432/manifest.json
observed 25a0672c2f2cf58223deee0225e8b6ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.444531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008432/publication.md
observed 667a67c631b7c5320ae0431fe96eb012...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.414065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008432/publication.txt
observed 25161718bc99062945e0168c65d73df9...
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.