OpenTechnical

OT-2026-000011374

Publication integrity record

Two finger electric gripper, stripped after set-down, 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-2026-000011374) never changes.

Identity and time

Publication numberOT-2026-000011374 · never reused
Internal UUID01a0ae6c-88fe-77da-b641-b234c2e9dcaf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011374
StatusPUBLIC

Content hashes

Canonical texta39f5339f7e1ef16af4e087ba9a328da5f0529c5e2c17703ced54ca2d5c6cdd9
Markdowne66d0238252a15640e48bd7916ca1720763a78310aa531e0089bcfd4abe99bb5
PDF
Publication page5b8ce9c29f0268331619e78669674854b456888513e3c24e17617e232fc102bf
Manifest485a7e33683f1e8603a65f7510f99d85b69feaeac69d44876c33fef3ec042113

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
Signature4LXTzbunVtW2blE66L9rR3tKhZAN/BbMKQw9FOnTwQBu61spSoCm08L7rfOFjwqFiUCManGMadScJXf4sE8TBg==
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

2026-09-17T12:13:06.833366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011374
observed 5b8ce9c29f0268331619e78669674854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.814469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011374/manifest.json
observed 485a7e33683f1e8603a65f7510f99d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.794365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011374/publication.md
observed e66d0238252a15640e48bd7916ca1720...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:06.773240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011374/publication.txt
observed a39f5339f7e1ef16af4e087ba9a328da...
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.