OpenTechnical

OT-2026-000005984

Publication integrity record

Two finger mechanical gripper, stripped from the face, electric drive

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-2026-000005984) never changes.

Identity and time

Publication numberOT-2026-000005984 · never reused
Internal UUID01a0a94b-5185-7c8e-b2a5-d3db8bd123ef · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:18:00.712619Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005984
StatusPUBLIC

Content hashes

Canonical text30e2af43943580356fe29f936534a70ca4a8181639328bda40e682c4743466b8
Markdownb614e934173ebc0a7f670a629d0a5984416ecb425dfb1d884bc549731aef2acc
PDF
Publication page9340187655dca5d1872f5b1e9e809127be1832c838e54b2c1e263eda1ecb5cfa
Manifest0a13d280554ad2330697a08dadbc1db346ce0591ac15e383df43c42e0b6ea12f

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
SignaturenO2UzfKGwBhKLxMEZwaCzGs194sz2BWPG2MSe2BBB5fDb22TeKCdBnKIbt2VGcsiXfdvPZ3KHSg0H9+pIppvCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:09.644920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005984
observed 9340187655dca5d1872f5b1e9e809127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.630617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005984/manifest.json
observed 0a13d280554ad2330697a08dadbc1db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.512092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005984/publication.md
observed b614e934173ebc0a7f670a629d0a5984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:09.496247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005984/publication.txt
observed 30e2af43943580356fe29f936534a70c...
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.