OpenTechnical

OT-2026-000046671

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, single stage ejector, 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-2026-000046671) never changes.

Identity and time

Publication numberOT-2026-000046671 · never reused
Internal UUID01a0ae7e-57df-7b3e-814e-db80c1a38310 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:51.003526Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046671
StatusPUBLIC

Content hashes

Canonical text66d872ceab9950894b74c8e1ef2cfacaa78f355ab46c9d8a24ca6ecc3ec4d837
Markdown3733c3d4fc0fed9b6a9fae1236a80abc70e93ed74bdf26f66fa02885107fa459
PDF
Publication page5c2d9d7649be702f8ad28f548136482b57c75b4e36375a060b9800a1cf7106aa
Manifest92bb8afe151e74c25bc7cd3b5a3002d80b2c9bda7c0f022ed9c7f3d72baf3215

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
SignatureF/QYnVkOFxXg5X9OMKgU4PxyaFYdFn1Z1rG7eu32hAv4whhjVU1TXTLoVyc9BDzmQBEUh0cF50tpZMq5yNKsCw==
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

2026-09-17T11:08:46.152040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046671
observed 5c2d9d7649be702f8ad28f548136482b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:46.134214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046671/manifest.json
observed 92bb8afe151e74c25bc7cd3b5a3002d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:46.117892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046671/publication.md
observed 3733c3d4fc0fed9b6a9fae1236a80abc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:46.100487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046671/publication.txt
observed 66d872ceab9950894b74c8e1ef2cfaca...
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.