OpenTechnical

OT-2026-000051533

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000051533) never changes.

Identity and time

Publication numberOT-2026-000051533 · never reused
Internal UUID01a0ae83-7c81-75b2-8708-97865fac6d0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051533
StatusPUBLIC

Content hashes

Canonical text6cb1d8cb17684fa5b22132d1ec585b7a1a60606f895242232dcf0c0ea6db6c83
Markdown391dfc51aeda0bf4f3710c2380380937c02f2d38c05bf46fa5264f6d3fec3c67
PDF
Publication page6ab0c4e5f13c6006904879b1c99022d06e9f60e72d6c5ee076764b86b4aef4d4
Manifest001dead8159edc9bccd8526fa208a1632dd7beea2a0bebe75b5487e7fb32d34c

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
SignatureaNQqJjLN+DvNuZ8OAEqQYusX04y99DIMXOWGFfl1Ytwy2Il1Gq6ihrxKbTYnTa/29eFMtfli5NZ5i0UOSK5WDA==
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

2026-09-17T10:58:21.680078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051533
observed 6ab0c4e5f13c6006904879b1c99022d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.659277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051533/manifest.json
observed 001dead8159edc9bccd8526fa208a163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.640622ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051533/publication.md
observed 391dfc51aeda0bf4f3710c2380380937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:21.620545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051533/publication.txt
observed 6cb1d8cb17684fa5b22132d1ec585b7a...
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.