OpenTechnical

OT-2026-000050671

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, 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-2026-000050671) never changes.

Identity and time

Publication numberOT-2026-000050671 · never reused
Internal UUID01a0ae82-c7b0-7bf3-a595-a1edfb3c8561 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050671
StatusPUBLIC

Content hashes

Canonical text4e9a748c84af767b4c447ec66a4426d68604802377b34cf8cd7ddd413d292a20
Markdown37c2515e22ad6eb2f4fb4df9b9ce3846eb4fd4306fb888a26cbb239f725f1981
PDF
Publication pageea945db585a9423cc8e1885dfaf93f4ffe200200e9dd59fea5a1013522d80429
Manifeste7b6d6e92686c83bdd540e9547d14b02f092906a73b34a53c338293ddba45eb3

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
SignatureMRSxW2CZrtreh6abrv4fItRwOKdVxML2OuJ/qGyiwr8Twin8Jzj+wCpTHCwrDehR8xWexoYlEd4sN9504TNzAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:59:22.552120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050671
observed ea945db585a9423cc8e1885dfaf93f4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.532973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050671/manifest.json
observed e7b6d6e92686c83bdd540e9547d14b02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.515841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050671/publication.md
observed 37c2515e22ad6eb2f4fb4df9b9ce3846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:59:22.498294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050671/publication.txt
observed 4e9a748c84af767b4c447ec66a4426d6...
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.