OpenTechnical

OT-2026-000023005

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000023005) never changes.

Identity and time

Publication numberOT-2026-000023005 · never reused
Internal UUID01a0ae70-46ec-7c56-93b1-283abf773bb9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023005
StatusPUBLIC

Content hashes

Canonical textc11422942fd2cbc41409dfccbe7f8317bebad7e9c2c57a1410e5bed2c130b297
Markdown50cb47a78faf117ecd79873071dd87c343cfef08457085dc099a921d26620533
PDF
Publication page04baa40428d5e762492851582ef980d9cdafaa6a196a479470a0f37d3cf718a4
Manifestf80a5a391b700f263368c5d9365cd71a697cd059c2ce873e7cadef1b07c6c05e

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
Signature9HOHI54izz3eBYb4RSr/qwcPas3TJTNaASq5NcLEhmGHNgBiR1XO/In5ja5swY303fGLDVkZLkTWRqgoEh19AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:35.993953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023005
observed 04baa40428d5e762492851582ef980d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.978009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023005/manifest.json
observed f80a5a391b700f263368c5d9365cd71a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.961031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023005/publication.md
observed 50cb47a78faf117ecd79873071dd87c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:35.943572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023005/publication.txt
observed c11422942fd2cbc41409dfccbe7f8317...
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.