OpenTechnical

OT-2026-000004322

Publication integrity record

Vacuum cup gripper, per zone isolation, six outlet manifold, three stage ejector

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-2026-000004322) never changes.

Identity and time

Publication numberOT-2026-000004322 · never reused
Internal UUID01a0a913-f747-7cee-b113-8d5ae3b1b5d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:17:33.130091Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004322
StatusPUBLIC

Content hashes

Canonical textd3cc6caf1c1f594ac99e3377ed8088d42d24fdfc3b2bd8ae24159f840ba6ce84
Markdownb2c8c24aa73ad28f637d1c40e74676863c879204ec3f54ef03f583358100aee6
PDF
Publication pagedc3f8af97259bc4e0e67f6dcb19b747f6d7d7c83ed311d7e143c4beac9516a57
Manifest57ff56e0dedb649a07803d2063d2a2ddae453b52588750a7e2fa13b7d12dc2c7

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
SignatureQaeoh8dKPf+pjUlqIKezsVnziTGoJDotsh5lC4qXOuHF1ezqKsYBMJVf66qpovJp27SWuOpMV6yHiPXFwTBYCQ==
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

2026-09-16T07:20:10.993609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004322
observed dc3f8af97259bc4e0e67f6dcb19b747f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.980349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004322/manifest.json
observed 57ff56e0dedb649a07803d2063d2a2dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.964771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004322/publication.md
observed b2c8c24aa73ad28f637d1c40e7467686...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:20:10.950806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004322/publication.txt
observed d3cc6caf1c1f594ac99e3377ed8088d4...
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.