OpenTechnical

OT-2026-000090141

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, manifold 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-2026-000090141) never changes.

Identity and time

Publication numberOT-2026-000090141 · never reused
Internal UUID01a0ae9c-428f-75ff-a4d3-e0648aa6eb03 · 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-2026-000090141
StatusPUBLIC

Content hashes

Canonical text6bf1c694ecd2bbb8b818e674f36f5f0727ddfb7a5496749a9a1e98967e65d3a9
Markdownc57c4608cb843da5354d0f7258adc5bd55497497d95b021e526501337e9ab4c7
PDF
Publication page20e9eae0228eec733c573e4890aa320a2e616c366670ea60e6d2b9a678e4d984
Manifestf406daef2a89fb8526856787c8b3bd7e9a442561ac16dcfcd146d4c1451adf43

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
SignatureRrGqbQ69nEmDEo0XjsEDFSK/lLrLvosrpc7PKNO0D1GXNcYGB5YCT/VCFrafrOF1aOYvZ0/oNwiGjVoxh7n/Ag==
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

2026-09-17T09:45:38.862558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090141
observed 20e9eae0228eec733c573e4890aa320a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:38.841162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090141/manifest.json
observed f406daef2a89fb8526856787c8b3bd7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:38.819869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090141/publication.md
observed c57c4608cb843da5354d0f7258adc5bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:38.797954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090141/publication.txt
observed 6bf1c694ecd2bbb8b818e674f36f5f07...
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.