OpenTechnical

OT-2026-000011619

Publication integrity record

Permanent magnet gripper, stripped after set-down

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-2026-000011619) never changes.

Identity and time

Publication numberOT-2026-000011619 · never reused
Internal UUID01a0ae6d-193f-7465-8440-1d1a8c4d0e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011619
StatusPUBLIC

Content hashes

Canonical textacdb1201cb6e2d3cb97ff062e39b9d32fda7b75f718901bf00c12fa731e12986
Markdown07f36f33c01914e28d5f832655d09eafb20e47ffdc2c288ab81645261645939f
PDF
Publication page06277563234185f751039f097f859d3d72995941b471cc1a0e62c9f57b47305e
Manifest22953695cf7cca6b9ccbcf0ab75fab9e35c89125fac53cd9202d8fffffb6704c

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
SignaturecXZKH503Acq0UUcTgycumhPJisvVGT2uv7U71Odp2Mb8ffPQW5f8sreYDll9gWmDT15g8dBv00fIVrmcnCUsAQ==
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

2026-09-17T12:12:12.007069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011619
observed 06277563234185f751039f097f859d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.990142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011619/manifest.json
observed 22953695cf7cca6b9ccbcf0ab75fab9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.971769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011619/publication.md
observed 07f36f33c01914e28d5f832655d09eaf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.953563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011619/publication.txt
observed acdb1201cb6e2d3cb97ff062e39b9d32...
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.