OpenTechnical

OT-2026-000095493

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000095493) never changes.

Identity and time

Publication numberOT-2026-000095493 · never reused
Internal UUID01a0ae9f-8f73-7b07-a56b-c331779b04a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095493
StatusPUBLIC

Content hashes

Canonical text18f00b0a283efd3bab3ff7995d245ca38d5b7edb535ddf4aa9223af4aa120b35
Markdown11122526dda7c774b119f9b24bc0e418ab27010d04d3e90e46fb870f80a0a03c
PDF
Publication page0a2bb6ccb501edae3430106d0d95907b322f32cfcd6431311b2412f3aeac4aff
Manifest4568c8ad1f179c47e9490a00909d96ee454e5d8b0be708556ebe110cf972df45

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
Signature36CfX8sBeaSXKN8zWkNbiWqBbh/tmxQ8op28gH96G/aGfiOWRglxNGqZrkEFKOUIQSEr9mQJAQt+dBnwjhHwAA==
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

2026-09-17T09:36:53.700473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095493
observed 0a2bb6ccb501edae3430106d0d95907b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.683305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095493/manifest.json
observed 4568c8ad1f179c47e9490a00909d96ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.665538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095493/publication.md
observed 11122526dda7c774b119f9b24bc0e418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:53.647096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095493/publication.txt
observed 18f00b0a283efd3bab3ff7995d245ca3...
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.