OpenTechnical

OT-2026-000032706

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000032706) never changes.

Identity and time

Publication numberOT-2026-000032706 · never reused
Internal UUID01a0ae75-1071-7d94-b9a3-20937299462f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032706
StatusPUBLIC

Content hashes

Canonical text28e88cf6b6565d919dbd5e770df9d7a1bffdd34f7ef21dedde1b379abe5b521f
Markdown0cf67e800782736e51d7dcd64316d22a7039dc16d7bdc85a1d2bd5dfa6bc11bc
PDF
Publication pagea3dcc2e5442cfdc80bd358f104ed88ef658190a52a6ab69216d183db9722644d
Manifest6a563a784e09a9b1fab53780c9bef5d06dc2abd6d6789fc384eef8fabe8c959e

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
SignaturehgM46qOB1eevIOTsNrhqW/ECFhNeTgc9S8NlHMDYW9bNwq+5fnPC146rDHytQMTMDIWSUidAW64WcFRHwJ80AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:19.214609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032706
observed a3dcc2e5442cfdc80bd358f104ed88ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.194892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032706/manifest.json
observed 6a563a784e09a9b1fab53780c9bef5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.173779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032706/publication.md
observed 0cf67e800782736e51d7dcd64316d22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:19.153798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032706/publication.txt
observed 28e88cf6b6565d919dbd5e770df9d7a1...
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.