OpenTechnical

OT-2026-000006966

Publication integrity record

Porous face vacuum gripper, pump fed, pulsed blow off before set down, open cell

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-2026-000006966) never changes.

Identity and time

Publication numberOT-2026-000006966 · never reused
Internal UUID01a0a96d-eeb9-77be-97e2-6a7ff97f3e5d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:55:49.180022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006966
StatusPUBLIC

Content hashes

Canonical text7110fa45f3cfe3081a4eb3e3dad6c67efe9faf60b33426024982bbecc3b904a7
Markdown16c13b6f270947d596cfa92ca651e4482da05722253299d267dabf4263400ee2
PDF
Publication page20453cb3c6ab5862a764f2ece05ec1e07b290947abf15cb3e4960f71a01454f3
Manifest43c0a330e60bb1d4a5a932b335ed147c1537dc1c027464e76e1faf72e3ee6b5f

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
SignatureCdqGL7AUceocd+fpwSRF+XfQgKcvPA+XH/RQb7FWOPRX2zO/P/EkQm3GNjjSA5LQ/KP7SIBb+t+LJU6tFftDDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:16.925492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006966
observed 20453cb3c6ab5862a764f2ece05ec1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.912446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006966/manifest.json
observed 43c0a330e60bb1d4a5a932b335ed147c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.899412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006966/publication.md
observed 16c13b6f270947d596cfa92ca651e448...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:16.885124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006966/publication.txt
observed 7110fa45f3cfe3081a4eb3e3dad6c67e...
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.