OpenTechnical

OT-2026-000082097

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000082097) never changes.

Identity and time

Publication numberOT-2026-000082097 · never reused
Internal UUID01a0ae97-4d93-7ac2-be2b-8d21210b03b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082097
StatusPUBLIC

Content hashes

Canonical text8b9cf8bc54c22081be50a0a5132d72ea776ecbea1eb8342d03dd7c498748e866
Markdownbeef9dfc7a168fe928150ef40e80e2ddcc39745c16327da34140ce30c367d277
PDF
Publication pageebaf5c5c7d31d38a280a98e6ad9f3632519325ee0a93fd70c666d68501f7c2f4
Manifest99f2303fab035d71197072e8fcdb4b66fa2d059e481bab477d5f9f4710529c12

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
SignatureUnuewWWlSvAfW0H1uTPJH8/Qumn65iC3jycpqGe2Jvzaf1wy7GfkhAog+alNbgd1M7GOxzmkH6HUjiaYd396CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:58:54.315881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082097
observed ebaf5c5c7d31d38a280a98e6ad9f3632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.299552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082097/manifest.json
observed 99f2303fab035d71197072e8fcdb4b66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.283532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082097/publication.md
observed beef9dfc7a168fe928150ef40e80e2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:54.267332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082097/publication.txt
observed 8b9cf8bc54c22081be50a0a5132d72ea...
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.