OpenTechnical

OT-2026-000092297

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000092297) never changes.

Identity and time

Publication numberOT-2026-000092297 · never reused
Internal UUID01a0ae9d-875b-716e-8c91-f6b444ae4b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092297
StatusPUBLIC

Content hashes

Canonical text09b8540a6d3f0160f2fd282e8bd136b63740311916e0e40a68036a638817fb9d
Markdown6fba94a6c76c42f990c25a7ae51d94b24214b49ebb8dd07a992a1b2601dad6da
PDF
Publication page4b5a99bbcf686156590668265c18cc59e75673244319d956622467953eb2fa1c
Manifest2e303dd1eb50d8605eeec4cc062c2f0d3d31d9560ad7fe915cb3219b7b7c6c62

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
Signature9cepY2uK3ftg7qDwtoGO0q2EUKJvzefNNyK76nTKBec05aejO4qV8+SPt/lKn4LEsrf52YwfkVE4uka90nxQCw==
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

2026-09-17T09:41:50.204802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092297
observed 4b5a99bbcf686156590668265c18cc59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.186594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092297/manifest.json
observed 2e303dd1eb50d8605eeec4cc062c2f0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.169410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092297/publication.md
observed 6fba94a6c76c42f990c25a7ae51d94b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:50.151246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092297/publication.txt
observed 09b8540a6d3f0160f2fd282e8bd136b6...
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.