OpenTechnical

OT-2026-000067874

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000067874) never changes.

Identity and time

Publication numberOT-2026-000067874 · never reused
Internal UUID01a0ae8f-c4fc-7507-a16a-5d49e7da3376 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067874
StatusPUBLIC

Content hashes

Canonical text2b52e558d558519317f7b6df66e8ebd0a5078b05bc122ee067b54ba4573e7830
Markdown377375d0d6b63f8a1c2e71614760eac06b2028fd7f2100abbba8574511c3e305
PDF
Publication page3515384eb4e7a21bf6af9a51195605d3db89c4afe85bd043c4a77e6d365b2648
Manifeste928b1bace13e3b2d448ddcc7f46674003ae0417df89e31d2e413c752706e753

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
SignatureL3T/tk9zZsAOq69u9AgS1dRqnLQLGr28uhCZ07B767ZnpMCeFrdeFq2oeRvENtfT9OIoWxY11RKqd4zXUzY6Bg==
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

2026-09-17T10:30:15.739182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067874
observed 3515384eb4e7a21bf6af9a51195605d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.707749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067874/manifest.json
observed e928b1bace13e3b2d448ddcc7f466740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.688187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067874/publication.md
observed 377375d0d6b63f8a1c2e71614760eac0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:15.669954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067874/publication.txt
observed 2b52e558d558519317f7b6df66e8ebd0...
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.