OpenTechnical

OT-2026-000004052

Publication integrity record

Vacuum cup gripper, per zone isolation, three stage ejector, pressure verified

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-2026-000004052) never changes.

Identity and time

Publication numberOT-2026-000004052 · never reused
Internal UUID01a0a90d-3e89-792d-b4f2-b151ced3b610 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:10:12.620454Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004052
StatusPUBLIC

Content hashes

Canonical textaf65583f7550c4f50867219c286c8c6486fe8528cf3ed33fa34aabeacfc63422
Markdown9aebd67cfafa0f32834de9c168bd1ced8a29718010de623e4164d2153b61e573
PDF
Publication page85000cb589d53b31f9b2151f829a44d2a522cd88556a49a09a2da004ed3e6427
Manifest5bce5178426d2560da155d07c4af25494b2ec30ead5076faccef92946cf34eb9

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
SignaturecE4wkmQ3fleh3F6oOIuoP2nD9gQd+2GJbolZMI0RAskpW7W5ufsV0adtLtlsoNxIRmSAfXkr8069BkljkUuEDQ==
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

2026-09-16T07:40:33.688716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004052
observed 85000cb589d53b31f9b2151f829a44d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.675068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004052/manifest.json
observed 5bce5178426d2560da155d07c4af2549...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.663872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004052/publication.md
observed 9aebd67cfafa0f32834de9c168bd1ced...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:33.651876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004052/publication.txt
observed af65583f7550c4f50867219c286c8c64...
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.