OpenTechnical

OT-2026-000006055

Publication integrity record

Vacuum cup gripper, per zone isolation, pump fed, pulsed blow off after set down

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-2026-000006055) never changes.

Identity and time

Publication numberOT-2026-000006055 · never reused
Internal UUID01a0a94d-d710-78c8-8a50-0560c81a8e1a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:20:45.970540Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006055
StatusPUBLIC

Content hashes

Canonical text6c85441e372cc28f424339f5ec9ee6be3c045cd698f986158dc5ca682bf11749
Markdownec0f502f23a3be6560b9cc1c204ce293d54fdcf87870d4379891e9ffc4a53a75
PDF
Publication pagefe2416abeda420591b6b521f95cdcde3f0d272a1f8292accc67ac7ae390a1eec
Manifestd99275a21e52d4f0eeac27cf8ea4a7ae48404bfab4862904cbed24e3cc73c450

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
SignaturexVGoDcGSD+C4HyTAkByJNnSFxwQDCaTGlUuP0BsjXx9XTdKQVJBllUvZPBh173SMBcqOHYeoIG5sQwKGEC1ABw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:32.709604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006055
observed fe2416abeda420591b6b521f95cdcde3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.696040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006055/manifest.json
observed d99275a21e52d4f0eeac27cf8ea4a7ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.679388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006055/publication.md
observed ec0f502f23a3be6560b9cc1c204ce293...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:32.665981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006055/publication.txt
observed 6c85441e372cc28f424339f5ec9ee6be...
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.