OpenTechnical

OT-2026-000065603

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000065603) never changes.

Identity and time

Publication numberOT-2026-000065603 · never reused
Internal UUID01a0ae8e-46fa-7fcd-8659-e324022e0e60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065603
StatusPUBLIC

Content hashes

Canonical text8acea48bea818b380249adee4847e6a1049f6f56604320feaa36ab0569602507
Markdown2ea4fa1fba9d3e39e8eab12f973a091fc9cd9c39d2e64a09bbfb2b68e451b630
PDF
Publication page87e44a0375afc1106f124e8713121e0adf8c0ffc17cacc37ba47be69498f4825
Manifest980e29962501f633a2389f7d2b1d8c5b0d24fc09be0a8fb2f1870c8e07a97778

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
SignatureV5c/0eDu90PhMM/gszx3GA/d2ORqdk1kzZSc0b93IRw3QASrcd6BOWMxxrV0Kt1zl+fzVQ/0l/Fov4FPZ3NQBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:58.801582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065603
observed 87e44a0375afc1106f124e8713121e0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:58.766713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065603/manifest.json
observed 980e29962501f633a2389f7d2b1d8c5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:58.728995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065603/publication.md
observed 2ea4fa1fba9d3e39e8eab12f973a091f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:58.675871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065603/publication.txt
observed 8acea48bea818b380249adee4847e6a1...
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.