OpenTechnical

OT-2026-000005370

Publication integrity record

Vacuum cup gripper, three zone face, three outlet manifold, ejector fed, pressure verified, contact triggered

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-2026-000005370) never changes.

Identity and time

Publication numberOT-2026-000005370 · never reused
Internal UUID01a0a936-e61c-7893-b349-76798648445f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:55:42.494298Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005370
StatusPUBLIC

Content hashes

Canonical text966ffbbe9adcf6a12f8dd090ec87285f438f3d318572a32c6e9c15129ff8f12f
Markdown4d07f33dd29a386a633a5a54d267e1914100c49672410369a01723d49989eaed
PDF
Publication page054c7ace9b74b055caf49e5d8477dce740c40c80cd1e1f0fca3aca2bcfd1f05d
Manifest3b8ae34df3c0651b7dc5cbc6f6bbf0f84278c89264c45931d0de7a6492246b22

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
SignaturecArq9nQw7epTi1msP+P/9ffRsNdQzMpEFXM2CGn9fOvV8uYgRINnL4D/xk40VM5RRXGC6ApfNILlfwvOC5IHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:17.372104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005370
observed 054c7ace9b74b055caf49e5d8477dce7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.235039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005370/manifest.json
observed 3b8ae34df3c0651b7dc5cbc6f6bbf0f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.220511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005370/publication.md
observed 4d07f33dd29a386a633a5a54d267e191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:17.200304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005370/publication.txt
observed 966ffbbe9adcf6a12f8dd090ec87285f...
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.