OpenTechnical

OT-2026-000090117

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000090117) never changes.

Identity and time

Publication numberOT-2026-000090117 · never reused
Internal UUID01a0ae9c-428f-7a5d-8cea-320eaf1f7c6a · 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-2026-000090117
StatusPUBLIC

Content hashes

Canonical text0207bd44f74280f19266fbb040f2a2a7bef7315f35bfecdb7f8eb8362caf6960
Markdown50a1539178feeb2ccb9759877a3fb3cb14e4789c4bed83f6dc0d908716cc74bd
PDF
Publication page8051f03b01dce30299143effc8a173ff1abb4f18af866d0ad893ff65c4aebf40
Manifested8a02e6b43e7650870beff1857a7c77a18c19f413ab63d72214be7b55b55713

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
SignatureJXPKgbNzTgpK8Egy3rp6ITigaAOf5YE6BliF/avKnlf4kKGzcHtnDnIybgyFfbZCclj4J5QACklIEH6XgXKbAw==
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

2026-09-17T09:45:32.786572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090117
observed 8051f03b01dce30299143effc8a173ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.768689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090117/manifest.json
observed ed8a02e6b43e7650870beff1857a7c77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.750919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090117/publication.md
observed 50a1539178feeb2ccb9759877a3fb3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.733940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090117/publication.txt
observed 0207bd44f74280f19266fbb040f2a2a7...
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.