OpenTechnical

OT-2026-000010816

Publication integrity record

Electromagnet gripper

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-2026-000010816) never changes.

Identity and time

Publication numberOT-2026-000010816 · never reused
Internal UUID01a0ae6c-540c-7b8d-be4e-c45b6d13e745 · 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-2026-000010816
StatusPUBLIC

Content hashes

Canonical text365abe21dce3c4f03198df6ae6df840f4719c46d919d538ac3e569dab8fe4d0d
Markdown4920582981e124b2ea650bec843bb67bd4a34006dadb7aa231ac14a60fc06052
PDF
Publication page157a403c3cbf10bb7dc4cca357e3a409c1004e8f1bff5c7deb4bb03e824bd28c
Manifest8950245c206f5824435f7be1dc0cbced7209fabe4fec9b9c9466dfbc502ead40

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
SignaturefMgBYbJKStf82qavyAgJ6hkYEHGk3HpsMurL4xQe5FGWK4KVocEswIoDd/6GiNw7vDZDoTldc+ao/vcpFsztCw==
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

2026-09-17T12:13:32.972857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010816
observed 157a403c3cbf10bb7dc4cca357e3a409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.953822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010816/manifest.json
observed 8950245c206f5824435f7be1dc0cbced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.935887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010816/publication.md
observed 4920582981e124b2ea650bec843bb67b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:32.916466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010816/publication.txt
observed 365abe21dce3c4f03198df6ae6df840f...
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.