OT-2026-000004545
Publication integrity record
Vacuum cup gripper, four outlet manifold, pump fed, pressure verified, contact triggered, rubber cups
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-2026-000004545) never changes.
Identity and time
| Publication number | OT-2026-000004545 · never reused |
|---|---|
| Internal UUID | 01a0a91b-8224-73ea-9f13-4f7a666c6f5c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:47.430616Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004545 |
| Status | PUBLIC |
Content hashes
| Canonical text | 173d26bb842ef6f2e628239bd7779e02698d52eb3edae333b2589010e07ff271 |
|---|---|
| Markdown | 5ba148566b64d6576b3992d845de08fe73ad33ff367e0261c533fcdf57ac1826 |
| Publication page | bb4a06a7dd28cd8d1338b75858f249e744fc4a70fef4f6f8cd3dd0a5556b4c2c |
| Manifest | 251efd8562cb2bb005066bd03b3f62c832bd282431ea9eedc4026da90bf3cc47 |
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 | r8gdOq65GHYHvRi2aWqJBCddWaexvJJwiqlPYrMUlyv6x4AaQDQl3MWuJ0HSyuTX9Y9fZ6wbhq6wEtBnZlGVAg== |
| 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
| 2026-09-16T07:30:16.237418Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004545observed bb4a06a7dd28cd8d1338b75858f249e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:16.224703Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004545/manifest.jsonobserved 251efd8562cb2bb005066bd03b3f62c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.212789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004545/publication.mdobserved 5ba148566b64d6576b3992d845de08fe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:16.200770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004545/publication.txtobserved 173d26bb842ef6f2e628239bd7779e02...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. |
|---|