OpenTechnical

OT-2026-000001765

Publication integrity record

Gripper system, gripper unit and robot for handling objects

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-2026-000001765) never changes.

Identity and time

Publication numberOT-2026-000001765 · never reused
Internal UUID01a0a678-89e3-7d06-b54c-52b3bc5b9f13 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:08:32.611710Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000001765
StatusPUBLIC

Content hashes

Canonical texta0a74ed6a4763c3351335d223211c602d7c4902b8d1fcd94166b49f05ee92077
Markdownbab6042f67a460950aea1a10e3274718988a2a2b6eeb5a770b9dbbbbc5fb5acd
PDF
Publication page0bb27c632fa1ad2e23bd30ce24a0a6c1295fd864deec7864656f0bcde7ccc785
Manifest02dc26665dc48b8297048aeccf822e9d7a5e256fb5a008bb61256200038d119a

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
Signature5tKV2yUK3IghRuCmCuyW1BLbPCjxfkMT8u0fKuj6F6dhIg8Bzp5pnXiSlRLI3fXFvsLRlK0iMstenVXoO2ktAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:10:27.936833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001765
observed 0bb27c632fa1ad2e23bd30ce24a0a6c1...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:27.908400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001765/manifest.json
observed 02dc26665dc48b8297048aeccf822e9d...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:10:27.895550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000001765/publication.txt
observed a0a74ed6a4763c3351335d223211c602...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent