OpenTechnical

OT-2026-000103746

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000103746) never changes.

Identity and time

Publication numberOT-2026-000103746 · never reused
Internal UUID01a0aea4-e462-7648-bca4-6cc887f64637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103746
StatusPUBLIC

Content hashes

Canonical text8455a32537cd93c5e8b86fd5bf12aaf3bdb8ef259a1eae0777b27542a4404110
Markdown3dd1799603385d70f3211b761149d6cd6dedcffec851fb107fdcc34f8580f13d
PDF
Publication page3109bd59871666e1d8b771a06d3478dac386cc5c7aa6b8cf6a4fcec653d667d2
Manifest721440f541573185cf99df8c16a895c9085468a29f20e417fd07e51992471d68

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
SignaturezPCo0KdDcZ49IyCqjNk2MLucNbja1DKK3wOkhL4D12F/qJWMG7zKd/8/Xu/QEOBLy7XlH9kbMJr2DlKEfLDvDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:41.937750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103746
observed 3109bd59871666e1d8b771a06d3478da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.920657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103746/manifest.json
observed 721440f541573185cf99df8c16a895c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.903823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103746/publication.md
observed 3dd1799603385d70f3211b761149d6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:41.886887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103746/publication.txt
observed 8455a32537cd93c5e8b86fd5bf12aaf3...
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.