OpenTechnical

OT-2026-000009068

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-2026-000009068) never changes.

Identity and time

Publication numberOT-2026-000009068 · never reused
Internal UUID01a0ae6b-31b8-7504-9b8a-99235acb9ef5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009068
StatusPUBLIC

Content hashes

Canonical texta9fcf3640a5a339e666c92b631da7faabaf6db72b6fcc58ce36cb7925bda6cca
Markdown0802cdb65071fad5f87707658c2292ca6d2b4102aef5c88bd3256f72f6966c24
PDF
Publication pageb7eb2ff011f35ed908bc3546f34ee5d704f262ffa8c5af36debce9f4b7e601a4
Manifest5792958ee715b9ac4b00f0ef4c232dd8a1e90497800e8d3f1c0f0003fc3969ce

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
SignatureAizBCqYsEknHHeoWJ3Jis/WY+bILROUgK+FPpKMN027F0TNxB1raq0CEkuTRflLB6nE1NMMbdxbhpAiB94HPCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:43.837264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009068
observed b7eb2ff011f35ed908bc3546f34ee5d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.817468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009068/manifest.json
observed 5792958ee715b9ac4b00f0ef4c232dd8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.796710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009068/publication.md
observed 0802cdb65071fad5f87707658c2292ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:43.776375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009068/publication.txt
observed a9fcf3640a5a339e666c92b631da7faa...
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.