OpenTechnical

OT-2026-000006844

Publication integrity record

Three finger mechanical gripper, plant vacuum fed, contact triggered on 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-2026-000006844) never changes.

Identity and time

Publication numberOT-2026-000006844 · never reused
Internal UUID01a0a969-68a4-7687-9e0c-88ffeef423a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:50:52.711040Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006844
StatusPUBLIC

Content hashes

Canonical text69663d45ab9814ab9ebac176f954eb19be3ebedeae0531548c3d23eeeb5c3483
Markdown639f69b3d06af1b4781526302e54e970fd690b08066b30c842f627963ba89c07
PDF
Publication page3ec693a283eeace4f152cd739ddf716bc3d267e10a765bef8b0d500b9e7f524f
Manifest895b5e6ce033541b54a7592e3e46f3d6f511c8121c736b634d276655b1440ede

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
SignaturejEDVVW33aW5IcO0PoANu08V0xcm8ycotJjwbSUYmeOaAbDV0CFlRqRQ0mQR7BaFvCFqJkgutwBYQm/Uy/opXDg==
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

2026-09-16T09:00:29.942613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006844
observed 3ec693a283eeace4f152cd739ddf716b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.930661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006844/manifest.json
observed 895b5e6ce033541b54a7592e3e46f3d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.918246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006844/publication.md
observed 639f69b3d06af1b4781526302e54e970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:29.904742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006844/publication.txt
observed 69663d45ab9814ab9ebac176f954eb19...
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.