OpenTechnical

OT-2026-000066845

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000066845) never changes.

Identity and time

Publication numberOT-2026-000066845 · never reused
Internal UUID01a0ae8e-ce43-719b-9ad7-c1f736ef15fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066845
StatusPUBLIC

Content hashes

Canonical text29fdb7d4c808988a964ef20188b7bd526b904ba5a10e73ed66359da4d54fae5f
Markdown5fda171f1acd7f7910cd8675dfd415b4a13ff720adc774ebb944bb5dad6640fa
PDF
Publication page45a1b1c7b0efe19dcab01eb7b8a497cba72849318ab945dc70501ba70b19ed46
Manifest314b3af62dce9f5ef0cae2985245a7077767a09cfdeeefc0bcc051577b1ebd38

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
Signature/kOD7VuI6OMt8kBljnGgW0J8+e+PShAAznmSw2BSGFdRxGK+wAJWC89G/Gsc4fc6n/ricEYPF8M/SZ1Ne6U+CQ==
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

2026-09-17T10:33:17.025139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066845
observed 45a1b1c7b0efe19dcab01eb7b8a497cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:17.008828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066845/manifest.json
observed 314b3af62dce9f5ef0cae2985245a707...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.992172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066845/publication.md
observed 5fda171f1acd7f7910cd8675dfd415b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.973869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066845/publication.txt
observed 29fdb7d4c808988a964ef20188b7bd52...
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.