OpenTechnical

OT-2026-000017159

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000017159) never changes.

Identity and time

Publication numberOT-2026-000017159 · never reused
Internal UUID01a0ae6e-76c7-7434-976b-134082a34842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017159
StatusPUBLIC

Content hashes

Canonical textc5237d05276e4827d8eca8edb289726085099a5b003317f486bd95b6a25c8039
Markdown5860826fa739a43ed98fc91a6c6b8c9ee7711ae8a8ebc4fd1cb44461e4a3a1ea
PDF
Publication page52442a438a2f7fe0ad533fe8874ebe360f32782acf8446bab3e48ab97e3da765
Manifest2dfcd43f8d796ce020f5012d9ded6aa3603a611880013dc05534caf875ca8666

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
SignatureCdQ6QDyor3csvObwripOAatU/AlBXnkiYWMsznnAxOrDd5RmL/8r0u5bpUB1ZxJujPPL+uRNNkzuPmjWMPDmDQ==
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

2026-09-17T12:02:13.295756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017159
observed 52442a438a2f7fe0ad533fe8874ebe36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.277977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017159/manifest.json
observed 2dfcd43f8d796ce020f5012d9ded6aa3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.260686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017159/publication.md
observed 5860826fa739a43ed98fc91a6c6b8c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:13.243671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017159/publication.txt
observed c5237d05276e4827d8eca8edb2897260...
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.