OpenTechnical

OT-2026-000011291

Publication integrity record

Two finger electric gripper, 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-2026-000011291) never changes.

Identity and time

Publication numberOT-2026-000011291 · never reused
Internal UUID01a0ae6c-5410-7830-b1ed-ee3d15acaa25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011291
StatusPUBLIC

Content hashes

Canonical text0d09939dffe8df3b23f133e699664a9e0aa9b2c37d3525e60f651d8638b2209c
Markdown9f2d3ff224d49abc1d348781aba844f1ffff4eff763e4be4ff53d5a3c9cc427c
PDF
Publication pagea65543b6ab35cfb2afbf359c605c24c590c8002d084835287307e0569a84f3d8
Manifest91cf1d7ee3fe9fb7a54116f93876e75592d0dd91bb25083339fa541787c52716

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
SignatureQDJZOr/uIxRkhNxMIvYIX0arbrMlXJGWWoiH4pIOZmZ93lC+GE25A+U5EOCN0gLUulUupAZg85pWRJh2GYpvAA==
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

2026-09-17T12:13:32.484332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011291
observed a65543b6ab35cfb2afbf359c605c24c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.465369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011291/manifest.json
observed 91cf1d7ee3fe9fb7a54116f93876e755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.447459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011291/publication.md
observed 9f2d3ff224d49abc1d348781aba844f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.429188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011291/publication.txt
observed 0d09939dffe8df3b23f133e699664a9e...
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.