OpenTechnical

OT-2026-000007159

Publication integrity record

Four finger mechanical gripper, contact triggered, stripped from the face, electric 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-2026-000007159) never changes.

Identity and time

Publication numberOT-2026-000007159 · never reused
Internal UUID01a0a974-d96b-7d50-9989-e27cdc38edd0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:22.478736Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007159
StatusPUBLIC

Content hashes

Canonical text2cfc3f52aa6f38bf75545462de3d653342a40e555b5509b9aa68a89621f67195
Markdownbd55825451948989b60d5bd1f454f3a8fcc8baa272eceae9c6d8c212aaf25847
PDF
Publication pageeae35abe0180097fb62ff6e1746f3805a725841b4d0f3342cedb8fba91c6b618
Manifest23d5c846e645aaff1886876b53d6b59b505be543d28ebcf1a301ba850a614087

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
SignatureJCvaSUS+dc0F+f2feScqigSLFnOv1ywR4IeiogYvMZN1NVx3QBb2hLTj5ksInC6lLeiduxE0AAFuJ7U0mfA/Cg==
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

2026-09-16T09:10:20.726621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007159
observed eae35abe0180097fb62ff6e1746f3805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.714265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007159/manifest.json
observed 23d5c846e645aaff1886876b53d6b59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.701467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007159/publication.md
observed bd55825451948989b60d5bd1f454f3a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.689479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007159/publication.txt
observed 2cfc3f52aa6f38bf75545462de3d6533...
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.