OpenTechnical

OT-2026-000042607

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000042607) never changes.

Identity and time

Publication numberOT-2026-000042607 · never reused
Internal UUID01a0ae7a-c0ce-77fe-907c-9054e334b697 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042607
StatusPUBLIC

Content hashes

Canonical textc5d8aaaa8e505ab236fbef975336181ae0dacf74a2782986215471b7c7fdf97d
Markdown5b47eaa603b221752bcbf39a59702209d99225e2a0984d3b73be68f03b0c5b77
PDF
Publication page30993fbec8c60d2e9fb14cedac15805fed38639f8cb414eea37ebebe12c469b5
Manifest0f15fd58e01cfbcd1ddc7b96ed3ebaf6d2698711cf2390e30e9a8ece5a2e0838

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
SignatureR3pq1bQoLYGZkEPHRkwEMv0mUH+5y5nb7Irq3+pW9JD1iGXdXPD34uhgYkDUEmCTUKfkLDAIfJz9kra6iglXCw==
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

2026-09-17T11:14:20.034739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042607
observed 30993fbec8c60d2e9fb14cedac15805f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:20.013764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042607/manifest.json
observed 0f15fd58e01cfbcd1ddc7b96ed3ebaf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.992279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042607/publication.md
observed 5b47eaa603b221752bcbf39a59702209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:19.972906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042607/publication.txt
observed c5d8aaaa8e505ab236fbef975336181a...
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.