OT-2026-000028735
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed 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-2026-000028735) never changes.
Identity and time
| Publication number | OT-2026-000028735 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7c14-87a4-32f55f847741 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028735 |
| Status | PUBLIC |
Content hashes
| Canonical text | 917070322143b471ec2755c15cfea29de6a8c59148a920b8e4f274e48908b0b9 |
|---|---|
| Markdown | fef2930c09535f578c4fdc9d6d1a7446db91c52177943fc974bc1cecaa6bfd9d |
| Publication page | 8ff85698d49d271442bbfb3479e9fbfcdd524e3f5ca596f2b7654a5e8f7383b1 |
| Manifest | 7d8e2bfe1ab087a7b770c93e21f4977ab286b6d29baed5333878f8cef372fd31 |
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 | dq9xM1s2qBxFxqTlkitJOZm3BEyNqD4fseBRuXnmsVhEQzQ+i0kw6o3+kEof0CZB3oE+AJjcYOyELajZJyooAQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:41:44.982957Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028735observed 8ff85698d49d271442bbfb3479e9fbfc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:44.964706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028735/manifest.jsonobserved 7d8e2bfe1ab087a7b770c93e21f4977a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.944418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028735/publication.mdobserved fef2930c09535f578c4fdc9d6d1a7446...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.925807Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028735/publication.txtobserved 917070322143b471ec2755c15cfea29d...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. |
|---|