OpenTechnical

OT-2026-000008604

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-2026-000008604) never changes.

Identity and time

Publication numberOT-2026-000008604 · never reused
Internal UUID01a0ae6a-e46b-741a-8eba-ce96d0a7c374 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008604
StatusPUBLIC

Content hashes

Canonical textdd67aa46b79be3479e738cebffa72279f69a25d999aeb01c9a55126193affa07
Markdown439773043c94d0eabc3b9ed69e516788b6d7ec02ec2db4323a868c2538091947
PDF
Publication page624ab4bba06b66f5005158fd87c3d5d1e3f4b69729ccb86863f02675c8c91617
Manifest1312d5103679758312bba87ffcd4cf8fab06aae48f424706a3ddc01c627cfffb

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
SignaturertRforRBVXk5uWp3LkfZX7cbutpBD1TAWyk5DCB/hUG5q03v4McNKcbJRDehTK8WF5E3zUtJDgOxMop3qwilDg==
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

2026-09-17T12:18:33.462321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008604
observed 624ab4bba06b66f5005158fd87c3d5d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.442942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008604/manifest.json
observed 1312d5103679758312bba87ffcd4cf8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.423748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008604/publication.md
observed 439773043c94d0eabc3b9ed69e516788...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:33.405865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008604/publication.txt
observed dd67aa46b79be3479e738cebffa72279...
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.