OpenTechnical

OT-2026-000045811

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, pressure sensor per zone, 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-2026-000045811) never changes.

Identity and time

Publication numberOT-2026-000045811 · never reused
Internal UUID01a0ae7d-8f05-7be7-9275-eebcfa3dae4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045811
StatusPUBLIC

Content hashes

Canonical text5b9e6577238d211e6929e4fb6d553baf5f2ff8b333c5ef35193541226cba1a92
Markdown2bcf0d1b122587e6d71984a0bf2a0d2efb6b8fced3943172e72c20e9cf39b331
PDF
Publication page05407a5a0b453d2d4ab02ef200b0c80d988fa429ec0e5e8c86311d2dd0eb7095
Manifestbc33579961956e1170e8b9eff5cca46483daa29192b84faaf251d2fab0d965ab

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
SignatureZcT08r8y9W0sxEWDUJ/PA6M2hn930B41142XECeAFoKd8ge87qfjRo9M/z/gtbwich2kcNjWLCu/otZgDNnBDw==
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

2026-09-17T11:09:40.884571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045811
observed 05407a5a0b453d2d4ab02ef200b0c80d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.867199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045811/manifest.json
observed bc33579961956e1170e8b9eff5cca464...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.850114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045811/publication.md
observed 2bcf0d1b122587e6d71984a0bf2a0d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:40.831898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045811/publication.txt
observed 5b9e6577238d211e6929e4fb6d553baf...
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.