OpenTechnical

OT-2026-000063120

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained 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-2026-000063120) never changes.

Identity and time

Publication numberOT-2026-000063120 · never reused
Internal UUID01a0ae8c-94aa-7a52-936d-659dbe058108 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063120
StatusPUBLIC

Content hashes

Canonical textb6bbb8160d4aaeff26cab57f390804ff4fb115f65ef1adab8e0f73be46fc61bc
Markdowncda32c5fd5b8e50985955e9056ee718e954aa6b573335ba9da786919dbefe2e1
PDF
Publication pagec49c5511485c8d85c7737c04c98e2b61b3ed1e1ac777194b59c6f2c61bce3028
Manifest6c8e8afbf0cdad66a6ca3e20c31cb9cafc7eda76ab9f04927572c1621b0024c1

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
SignatureKC+UcvNt9TF0dTAcx0W5JNwTTjpbjnJXPwoMBS83yq4L37XPqnyjlNRASylpZP3JrxrLbGtVT8+lIslLX5GXAQ==
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

2026-09-17T10:38:53.970551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063120
observed c49c5511485c8d85c7737c04c98e2b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.952527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063120/manifest.json
observed 6c8e8afbf0cdad66a6ca3e20c31cb9ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.935143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063120/publication.md
observed cda32c5fd5b8e50985955e9056ee718e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:53.917038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063120/publication.txt
observed b6bbb8160d4aaeff26cab57f390804ff...
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.