OpenTechnical

OT-2026-000003967

Publication integrity record

Vacuum cup gripper, two zone face, four outlet manifold, two 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-2026-000003967) never changes.

Identity and time

Publication numberOT-2026-000003967 · never reused
Internal UUID01a0a90b-9ce6-7708-a4f5-7fe95b59754b · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:08:25.705308Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003967
StatusPUBLIC

Content hashes

Canonical texta2a889993b6ea6e2b226ced6999ebf69f1f1d1742856254333f3931da3cb8a1d
Markdownb2dd5b44f63c396ebeb940684677a7f4b8837215c1c4492408345e8887e05919
PDF
Publication pagef2471c95f1e6e133429505bd5966d34ea931c2b7b47d41ca1320cd4843b1635f
Manifest2d2889c3720b19d31071e845f1c73e03b66a97c12f41e8b4881552cd44c4ccba

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
Signature+JG94gxmb7/UJynrTG00258ni0lxIjBYPQa1axdy9ZXYyrz6rwSVdRCxbL+UIbcbvvO+HU7zxTLUIpXgNH8/CQ==
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

2026-09-16T07:10:09.310094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003967
observed f2471c95f1e6e133429505bd5966d34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.287369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003967/manifest.json
observed 2d2889c3720b19d31071e845f1c73e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.272335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003967/publication.md
observed b2dd5b44f63c396ebeb940684677a7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:10:09.258577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003967/publication.txt
observed a2a889993b6ea6e2b226ced6999ebf69...
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.