OpenTechnical

OT-2026-000004062

Publication integrity record

Porous face vacuum gripper, two zone face, four outlet manifold, two stage ejector, contact triggered

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-2026-000004062) never changes.

Identity and time

Publication numberOT-2026-000004062 · never reused
Internal UUID01a0a90e-16ae-7d72-8b48-7200b51767c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:11:07.953350Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004062
StatusPUBLIC

Content hashes

Canonical textec40b780b2ccbf5fa92c1a7dabf96e5634ef24060d52b4b0c6efcc285bb7c052
Markdown03b6a6b69e57e0d95d930dc5bb4167f023889aca769ab172671d7a4e608901fe
PDF
Publication page619346fdbb2fa88b7310aadbd94cc933ca9c255377354d66fecbf52e585d88e7
Manifest7fccab6714c0f64522b52709c116759c73366914e6df65b82a92faee16c88d08

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
Signaturei2mWS4hPZso3c+CQCY5oy0MVBB3h2xKeDbE6WU88olOd+jenCtDQtkPAFiFfzlW8xlHB/h9www2YWgtbl1RRDw==
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

2026-09-16T07:40:32.652806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004062
observed 619346fdbb2fa88b7310aadbd94cc933...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:32.634623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004062/manifest.json
observed 7fccab6714c0f64522b52709c116759c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:32.492225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004062/publication.md
observed 03b6a6b69e57e0d95d930dc5bb4167f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:32.479447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004062/publication.txt
observed ec40b780b2ccbf5fa92c1a7dabf96e56...
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.