OpenTechnical

OT-2026-000090156

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000090156) never changes.

Identity and time

Publication numberOT-2026-000090156 · never reused
Internal UUID01a0ae9c-428f-7d63-ba86-707f5124ad43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090156
StatusPUBLIC

Content hashes

Canonical text7a1805d580f8d8cd716d8f80922ac3c45decc75425bc02f603cdfad3329e195f
Markdownaa7603bbd302cbf91b32c258eb9aef23a5ec70390458b01fc05544d34c9fd019
PDF
Publication pagecde67fc3b4d235e79f5fb670702485215cb859fc5e7d8fb22ea7ac81f5f93715
Manifestbab219fdbbb51c6d8d12ba19fd7677b8a6c763d5ec18cf0ebbc1a76f9df8c230

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
SignaturejQPjtS99qA7F5SURLUpKhRD9N0Z3WnRBjuUzhseXgWqO0BIPctE9sw+GysHFAfd1wVOH+MiUOhXismCO0riNAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:45:40.250826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090156
observed cde67fc3b4d235e79f5fb67070248521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.232972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090156/manifest.json
observed bab219fdbbb51c6d8d12ba19fd7677b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.214175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090156/publication.md
observed aa7603bbd302cbf91b32c258eb9aef23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:40.195646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090156/publication.txt
observed 7a1805d580f8d8cd716d8f80922ac3c4...
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.