OpenTechnical

OT-2026-000090202

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000090202) never changes.

Identity and time

Publication numberOT-2026-000090202 · never reused
Internal UUID01a0ae9c-428f-7129-b8f6-d5c83eff760b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090202
StatusPUBLIC

Content hashes

Canonical textbabdd52a9bb25693475ec4fa70b0d62236232d432d93f58dd9136fbf06cbafa2
Markdown44ebc396ad3e30b5e83bdae1346e7bf71f1f1ca7cf58cd12d135d27e859d2361
PDF
Publication pagecab1b80cda8e9153ac5390ff9e5486f10b92000d34b73e338af97e191e5573f3
Manifestde15b00b390e2f4549daec77dc2cc3161f392461dd0242d7d0d901ba3e30cc08

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
Signature54eztX1cPOyLYQj8I0NdSRyvk7I/hp0jY5t0bnewcFgoJqZStrf0jJ0+f6ikSziPdezOY/EHmi9B1wf5uPCqCQ==
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

2026-09-17T09:46:16.566423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090202
observed cab1b80cda8e9153ac5390ff9e5486f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.549707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090202/manifest.json
observed de15b00b390e2f4549daec77dc2cc316...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.532454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090202/publication.md
observed 44ebc396ad3e30b5e83bdae1346e7bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:16.515973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090202/publication.txt
observed babdd52a9bb25693475ec4fa70b0d622...
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.