OpenTechnical

OT-2026-000024923

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000024923) never changes.

Identity and time

Publication numberOT-2026-000024923 · never reused
Internal UUID01a0ae71-2727-7d6c-a151-5bd8f474a242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024923
StatusPUBLIC

Content hashes

Canonical text9bc9c03588f6555475c01c1bab6ae8d89fd6e3150c48c0e5ea1ba2c6a2228c8d
Markdown4a250c297d3e58bca0490c03724a80046e2880425715ff1e3fc3f58ce964e3b5
PDF
Publication page62ef596cb6d943b05bdf731aaa1d2940b0973246e58d5f81b6b63c143108c529
Manifeste19f574192f5dce12adff7016b44a1496fa47bae6922ca4a18cef41ce713cb8c

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
SignaturepjfjZ95yj0mb4C6o5EYs94tE5F00UDZDue+tHUuFmcuVxIRFCF+6RQWPMDoG8zeONBMMLvvL36PtOUSyBHVVAg==
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

2026-09-17T11:48:15.697225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024923
observed 62ef596cb6d943b05bdf731aaa1d2940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:15.681490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024923/manifest.json
observed e19f574192f5dce12adff7016b44a149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:15.664219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024923/publication.md
observed 4a250c297d3e58bca0490c03724a8004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:15.644955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024923/publication.txt
observed 9bc9c03588f6555475c01c1bab6ae8d8...
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.