OpenTechnical

OT-2026-000006624

Publication integrity record

Two finger mechanical gripper, pump fed, pneumatic 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-2026-000006624) never changes.

Identity and time

Publication numberOT-2026-000006624 · never reused
Internal UUID01a0a961-bcce-7be7-8687-09cc930e7135 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:29.969723Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006624
StatusPUBLIC

Content hashes

Canonical textabb09a48a2872a689b7e00e6fd7355b2120b03ab5fa1e6c77502d734ebf51786
Markdowna7de8284e6f2f7f12fb3903d8eb55a5d166c680fb0088ce4df31159687e79325
PDF
Publication page7a8428a2ebe9345b0f39ec9e3b42c71801f3c1ef84109501df9e020cd4f972d4
Manifestd9ebeefc0044e94b0cc3a5efbe577eed81062565e3d1839ba0d4fce6633736ce

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
SignatureBNruEWm3MucUHTMhLJ3LqJBv9sZQuZx0rAEKxHXjxYfWms+aknswrdvX9eA1Ub0N//wVmGGn51KDxhQZepimAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:23.981251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006624
observed 7a8428a2ebe9345b0f39ec9e3b42c718...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.968383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006624/manifest.json
observed d9ebeefc0044e94b0cc3a5efbe577eed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.955033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006624/publication.md
observed a7de8284e6f2f7f12fb3903d8eb55a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.942086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006624/publication.txt
observed abb09a48a2872a689b7e00e6fd7355b2...
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.