OpenTechnical

OT-2026-000008871

Publication integrity record

Four 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-2026-000008871) never changes.

Identity and time

Publication numberOT-2026-000008871 · never reused
Internal UUID01a0ae6b-31b7-71ad-b89d-d35baacec85f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008871
StatusPUBLIC

Content hashes

Canonical textae536bfd266a7bcb3897c0a96af1619f613238048bebeab3364e3b30043ab119
Markdown2f659543c9bc4cc4a116f7074d7a2a51e74292f7d826186f946e8e33e6b7d4e4
PDF
Publication pageb31abdef20e90e232d0bb9f6f0d777e656fd2d72b980cf82a3eacd61cc99efe0
Manifest60e3fd03bd77ea26f0eaf80e99106799812f7659477fd6e04f407885579806db

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
SignatureXbuZUDj9MlUuHnP1HhS4n2osKeRDZ9oUk59SyAcIAoGwqPSd2LAAqyUiUa404M8HrMsJg4vME+xe3IAfSG40Cw==
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

2026-09-17T12:17:27.827105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008871
observed b31abdef20e90e232d0bb9f6f0d777e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.809146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008871/manifest.json
observed 60e3fd03bd77ea26f0eaf80e99106799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.761718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008871/publication.md
observed 2f659543c9bc4cc4a116f7074d7a2a51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.711539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008871/publication.txt
observed ae536bfd266a7bcb3897c0a96af1619f...
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.