OpenTechnical

OT-2026-000100226

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down, 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-2026-000100226) never changes.

Identity and time

Publication numberOT-2026-000100226 · never reused
Internal UUID01a0aea3-3053-7053-b7a1-024bc186a282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100226
StatusPUBLIC

Content hashes

Canonical textc41e3f231a1113e15f9472df90d8853940d352577f57b6999f8b06f032353c61
Markdowndf55ad189475f679606a68cdcf387d27f3869d6f39e5e634ea41cf2e8383fc17
PDF
Publication page22576c9a6a98ecbf56e1feda96942728c0a6daad27ecaa8a49caa465e617775b
Manifest99d70f407f2f61e4c6ed67e33e15cdc218450c620802d907b5e9841e58c4b922

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
Signature1M3Jt6TnM/+zq+ZGDrB9u3X771pBgV2kyGz8SYrW3khZKk0e/DbYaLn/VYx+56erkZUcpSnDFdH0u6RV476uDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:01.150397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100226
observed 22576c9a6a98ecbf56e1feda96942728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.131970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100226/manifest.json
observed 99d70f407f2f61e4c6ed67e33e15cdc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.112107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100226/publication.md
observed df55ad189475f679606a68cdcf387d27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:01.092770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100226/publication.txt
observed c41e3f231a1113e15f9472df90d88539...
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.