OpenTechnical

OT-2026-000006958

Publication integrity record

Two finger mechanical gripper, pump fed, pneumatic drive, 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-2026-000006958) never changes.

Identity and time

Publication numberOT-2026-000006958 · never reused
Internal UUID01a0a96d-a6b7-7fcc-bfcb-b8bb2f4caad5 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:30.745619Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006958
StatusPUBLIC

Content hashes

Canonical textd2867fb9704a1842ac876389061648a45bf8704930ef29afd0541aeb20092fdf
Markdown7a98ed831f9f3c7d65baa05eee5fd9211e6288a1fa8b803f91e598cf0ad803b7
PDF
Publication page87f51d37fafea6e9459e67e0cce883e33de3d85970bbcffdb4b3433530d9ff15
Manifest38705dc3eab0667dc88e3a099d1820bf1f36508bd3006b2297522ee61fbd8da2

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
SignatureARqKUKXYX0j4Oxg1VuZfp9ku25gDvB5IeU/vlWo681YVbRwzd67yNv6qseyIwzp+P47GC1Nrg/xrG8Gnh3vYAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:17.720641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006958
observed 87f51d37fafea6e9459e67e0cce883e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.707307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006958/manifest.json
observed 38705dc3eab0667dc88e3a099d1820bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.694434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006958/publication.md
observed 7a98ed831f9f3c7d65baa05eee5fd921...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:17.682389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006958/publication.txt
observed d2867fb9704a1842ac876389061648a4...
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.