OT-2026-000003972
Publication integrity record
Porous face vacuum gripper, common isolation valve, three outlet manifold, ejector fed
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-2026-000003972) never changes.
Identity and time
| Publication number | OT-2026-000003972 · never reused |
|---|---|
| Internal UUID | 01a0a90b-a102-7197-8cab-9ce11f98ecba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:08:26.760710Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 95457900db79eb9787a8dd420cec485f6aa0f7f64434c2feeb6e75bacbcdf6ae |
|---|---|
| Markdown | d30511c9118396d96c271a4585215a7ff63918b23be46c475ac4619bfdcf7471 |
| Publication page | adb508dd689e797329e1c60d8a9f226e864e2ebb4ebedf9ea5d6c2c1e220db14 |
| Manifest | 44f95f447fe8d0d5b50c3c83e4a0a24c68b55769b0625f9c4f26183ecd44eb85 |
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 | 53oh8NmxCKmj5E/zY9KB5U4af95BZ6Xg8Izb8MFPTw1+Di8sSIXZGBYZHV5LeprUUaoOjmv7Sns2bvE2G/+aBg== |
| 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
| 2026-09-16T07:10:08.998571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003972observed adb508dd689e797329e1c60d8a9f226e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:10:08.982198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003972/manifest.jsonobserved 44f95f447fe8d0d5b50c3c83e4a0a24c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.967680Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003972/publication.mdobserved d30511c9118396d96c271a4585215a7f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:10:08.952216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003972/publication.txtobserved 95457900db79eb9787a8dd420cec485f...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. |
|---|