OpenTechnical

OT-2026-000059570

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059570) never changes.

Identity and time

Publication numberOT-2026-000059570 · never reused
Internal UUID01a0ae89-ec23-73c5-ac5e-2393a9913226 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059570
StatusPUBLIC

Content hashes

Canonical text92c20214408c31549143831c0e8196796592982c28f3fcb1dd07939fe879aa0f
Markdown93e4483ca13c54dde3fb67070240b458f170ab77272a4b425ff22bd97a311cde
PDF
Publication pagee6919a0df7e628a00cd18e33ad5ae3bc710f259a53a0ea7751931facdce439a2
Manifest8f32ed63e7ff2c07d8883090de07d938cf534dbeb6b150001961209daa767699

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
SignaturerbU278fx15OxiCQNyS6hm4ZazE5768H9jg+pXo/x+D8LUOhRxbVFWPNx3RzEoWH+Kq6eWLKnSivgYhmH40ReDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:13.113881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059570
observed e6919a0df7e628a00cd18e33ad5ae3bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.096847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059570/manifest.json
observed 8f32ed63e7ff2c07d8883090de07d938...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.078584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059570/publication.md
observed 93e4483ca13c54dde3fb67070240b458...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.062181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059570/publication.txt
observed 92c20214408c31549143831c0e819679...
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.