OpenTechnical

OT-2026-000003767

Publication integrity record

Vacuum cup gripper, common isolation valve, three stage ejector, contact triggered on the face

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-2026-000003767) never changes.

Identity and time

Publication numberOT-2026-000003767 · never reused
Internal UUID01a0a90b-0045-70c7-bd0b-52fb2e031e4b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:45.607824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003767
StatusPUBLIC

Content hashes

Canonical textdda5267a70d119972ca316b712e5a8f90adf29e20eb0db3891b06eaba8835e3b
Markdown7b99a53bfac778db6781f15c8364a4570bb4d0ae8ec4db406fe85aa123543912
PDF
Publication page610864c4c54bf82ac021fa33f5da1be724364ca8cd1d446b4ceeb262975f834b
Manifest3fa775f2af29cc253c00a2ef1fd69bc560422dfd6be7943b6bb65cf35a320369

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
SignatureHjGGcx0ziD+lJWbQByTF7EOZNSyxdx0m5X7+6MNvN0rTs0PcsrfrPNHzeHROQ3dT2L2GaBYDIjAU3Y1/UKg+AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:10:21.565286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003767
observed 610864c4c54bf82ac021fa33f5da1be7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.550323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003767/manifest.json
observed 3fa775f2af29cc253c00a2ef1fd69bc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.536645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003767/publication.md
observed 7b99a53bfac778db6781f15c8364a457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:21.524045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003767/publication.txt
observed dda5267a70d119972ca316b712e5a8f9...
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.