OpenTechnical

OT-2026-000006223

Publication integrity record

Porous face vacuum gripper, six outlet manifold, ejector fed, contact triggered

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-2026-000006223) never changes.

Identity and time

Publication numberOT-2026-000006223 · never reused
Internal UUID01a0a953-7b1d-7885-835d-c4d4d256d03e · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:26:55.648377Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006223
StatusPUBLIC

Content hashes

Canonical text16c97c6819e38844cada5fade019d6d4998abb8cff370bb1801db3f17165d59e
Markdown7ba7f5287a479de4ad99ce97fd182838f3fe9b54c3f5e383a9562c1c2d0add27
PDF
Publication page3aea04350133047103f7fe734720cc01f8e7ee18b4ef1bc65aed63022eff999d
Manifest213dfd994fc885b6c222905d1269bcba77b620ebadb0ef8a8a89600b48aa1fb0

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
SignatureErRGgAAKKTw2TquOCcBhS6NpjD8fuAKDk6kaVP1zg8Aj/p8dnsLQdGGNxYQhtwm3BnVmmuVudfsKFRDZdJ7WBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:13.195857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006223
observed 3aea04350133047103f7fe734720cc01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.181364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006223/manifest.json
observed 213dfd994fc885b6c222905d1269bcba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.166604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006223/publication.md
observed 7ba7f5287a479de4ad99ce97fd182838...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:13.147836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006223/publication.txt
observed 16c97c6819e38844cada5fade019d6d4...
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.