OT-2026-000004012
Publication integrity record
Porous face vacuum gripper, per zone isolation, four outlet manifold, two 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-2026-000004012) never changes.
Identity and time
| Publication number | OT-2026-000004012 · never reused |
|---|---|
| Internal UUID | 01a0a90c-c005-74ff-a802-c9a74ec3e73d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:09:40.231307Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004012 |
| Status | PUBLIC |
Content hashes
| Canonical text | de8267c68b15c466dab5674efcf919af2f88ad7b41c15b400a12f2aba9093535 |
|---|---|
| Markdown | 69f72a07fc27b80d9c9c41b9a28707aa376ea43d3ca38323b6bc0df7b5a5d4df |
| Publication page | 105af118722a6f69440ca7b4bfc1ed0c9d6cb7eec4b212139ecd746c57f8297a |
| Manifest | 3284cf19d1717ac6ab04a3f2abfd00580107cfe0847fecdd168fab8002f0e857 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | LsA+b4ILQGs7AO5JjuAy1jFEEbbkeyGTUo8nKYTcpyhnW/72Axg+0/NtSO9tBHy96iSdAlRVXW+WB7xL5Cs7Bg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T07:10:06.361323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004012observed 105af118722a6f69440ca7b4bfc1ed0c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:06.345524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004012/manifest.jsonobserved 3284cf19d1717ac6ab04a3f2abfd0058...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.326709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004012/publication.mdobserved 69f72a07fc27b80d9c9c41b9a28707aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:06.311086Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004012/publication.txtobserved de8267c68b15c466dab5674efcf919af...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 archive | Pending 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 package | Pending Custody packages are produced weekly. |
|---|