OpenTechnical

OT-2026-000010745

Publication integrity record

Three cup vacuum gripper, three zone face, pump fed, supply line pressure sensor, vented after 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-2026-000010745) never changes.

Identity and time

Publication numberOT-2026-000010745 · never reused
Internal UUID01a0ae6c-0ee8-7e7a-b9a6-4057ae39bade · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010745
StatusPUBLIC

Content hashes

Canonical textd31020bfc283085296b4fcba8693c60073c833e135bc1d3f75c2d65988347de7
Markdownd77db907f23082aa2fe33ea6ccbbf4f735952a98260a33789b9d31f53cbdc92f
PDF
Publication page9e0c3cd49799c5fa36c6ed1bea3a9c43b96af02970c8edf428167824800545cd
Manifestdf9c97ea1f57642338f62aef1a1e16e0445fbd559fc09f0d7951f333d39c1b62

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
SignaturetH1MW1UfoI/ioIeAryeC3MgSRVem6JpZ5fGfaxSimacSAny1SrZxo8qIK1lEmmgKuJNXRnpZK00piA3iIeCICQ==
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

2026-09-17T12:14:58.542389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010745
observed 9e0c3cd49799c5fa36c6ed1bea3a9c43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.524914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010745/manifest.json
observed df9c97ea1f57642338f62aef1a1e16e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.506261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010745/publication.md
observed d77db907f23082aa2fe33ea6ccbbf4f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:58.487462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010745/publication.txt
observed d31020bfc283085296b4fcba8693c600...
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.