OpenTechnical

OT-2026-000011762

Publication integrity record

Three finger electric gripper, on a tool changer

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-2026-000011762) never changes.

Identity and time

Publication numberOT-2026-000011762 · never reused
Internal UUID01a0ae6d-1941-7eb7-9712-5d0d64eb37ab · 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-2026-000011762
StatusPUBLIC

Content hashes

Canonical text60624be7fbde713983f95fdc85b0aec0d498ab84335bb71f14446385af763792
Markdownc3c09628dc191e868dd7c82263ed65374d2a2aee7723fed176b9b671eb648de5
PDF
Publication pagef8f79b5e64af463b55b43ef67e089a998983c86f250c44b49e8453a696ab9e14
Manifestd0f72587ae542b77148c0b4ebf61971cce819d67656152d094164d9cfb154c5d

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
SignatureabIUF9W88s4uMEYptWK46rSqFY0flcg1BrasVPbVgejIMrPP3vj5+8CuKBx4HwUZb0tSVNzxfSL3Vuo4/3VECA==
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

2026-09-17T12:12:28.431553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011762
observed f8f79b5e64af463b55b43ef67e089a99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.413960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011762/manifest.json
observed d0f72587ae542b77148c0b4ebf61971c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.395299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011762/publication.md
observed c3c09628dc191e868dd7c82263ed6537...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:28.374261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011762/publication.txt
observed 60624be7fbde713983f95fdc85b0aec0...
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.