OpenTechnical

OT-2026-000090120

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-2026-000090120) never changes.

Identity and time

Publication numberOT-2026-000090120 · never reused
Internal UUID01a0ae9c-428f-7b32-bb8d-878dcea78309 · 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-2026-000090120
StatusPUBLIC

Content hashes

Canonical texte5553da0dfa4a00a6d084224e595984def8caf1acdd0fcdbb5df714d1865e034
Markdowneb43b26dd7e4cdca6eb2ba84eba698970e39dd8f734d3001d5734fa5c8894e52
PDF
Publication pagee65082be0e92d1ca03685706a2d1c854f7d338e6c293998076a31465475bd919
Manifeste3afe2341ec9ff2c270a58d7d66ce42eb49dbf81ffc95295224947ccbf05337d

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
SignatureGZksYLV0X8UGxtsmjEN7U7LGdEjbPBKtDWHrLHPjfMNbidbWqvP0w+5PdTT+Rrrd6HTz/IIjlNsAkVPADwYTDA==
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

2026-09-17T09:45:33.049411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090120
observed e65082be0e92d1ca03685706a2d1c854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.031141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090120/manifest.json
observed e3afe2341ec9ff2c270a58d7d66ce42e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:33.014803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090120/publication.md
observed eb43b26dd7e4cdca6eb2ba84eba69897...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:32.997859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090120/publication.txt
observed e5553da0dfa4a00a6d084224e595984d...
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.