OpenTechnical

OT-2026-000006466

Publication integrity record

Three finger mechanical gripper, three stage ejector, contact triggered on the face, pneumatic drive

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-2026-000006466) never changes.

Identity and time

Publication numberOT-2026-000006466 · never reused
Internal UUID01a0a95c-3fa9-78be-9982-bad567f5f3fb · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:36:30.252661Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006466
StatusPUBLIC

Content hashes

Canonical text48cbbd8151b3394aecbbd9ffe1c91ea7a4e7b2ce70a4ffcd1484f50e2aeb0efa
Markdown841683fbeb99576d817f0229d17ab88a6287cb370db25c880f5b5e544d74982c
PDF
Publication page7856104dabc2807edefcb296c8fa578a51f9129cc0681c2b8865637bec74eebe
Manifest500d021131ea0bd09c00b43d17b35dabf683a179028e3e17b968e7c2100cf55f

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
SignatureAc9bdu64NfiW5+72tXIOFcvxHtC6GKyoaFg2etZfd1oF4jedsKqb055BtOp+g21f7LvivNJPIk+lNxd8c4BpAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:14.410477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006466
observed 7856104dabc2807edefcb296c8fa578a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.397177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006466/manifest.json
observed 500d021131ea0bd09c00b43d17b35dab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.382622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006466/publication.md
observed 841683fbeb99576d817f0229d17ab88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:14.244323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006466/publication.txt
observed 48cbbd8151b3394aecbbd9ffe1c91ea7...
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.