OpenTechnical

OT-2026-000078711

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump 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-2026-000078711) never changes.

Identity and time

Publication numberOT-2026-000078711 · never reused
Internal UUID01a0ae95-ccbc-7ca6-af52-35110d4469cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078711
StatusPUBLIC

Content hashes

Canonical text09993358e83b795881a8c340d6777db04e3b6cedb1bedf5f77747494abff147e
Markdown2a92d62c642e2d709106346c169d425b309a42c70283af777ca733ffabeb5486
PDF
Publication page55c36299cf7820dca7e0bbc12e260e93f59461171e34446b24645364ee392ca4
Manifestb870b83271b26ff800eb12d6824af1e48f670640b2788e00b7d1da9a28086822

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
SignaturedIzIFF7uQ4o1MuJJK4jVMhucfUpeCyHjNTTjSd3UfUlSmBqqCeHvuARWbb3GNQs6Sa+uYLBwR32mpsj83gGJCg==
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

2026-09-17T10:05:29.595608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078711
observed 55c36299cf7820dca7e0bbc12e260e93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.576966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078711/manifest.json
observed b870b83271b26ff800eb12d6824af1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.559511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078711/publication.md
observed 2a92d62c642e2d709106346c169d425b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:29.540793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078711/publication.txt
observed 09993358e83b795881a8c340d6777db0...
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.