OT-2026-000052893
Publication integrity record
Four cup vacuum gripper, four outlet manifold, single stage ejector, vented before set-down, on a tool changer
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-2026-000052893) never changes.
Identity and time
| Publication number | OT-2026-000052893 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-7c9d-a475-776711462700 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052893 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87c012e5500bf3f1469f0652cdb6c04f6bdb3c94a48dc414bb6844f8e310623b |
|---|---|
| Markdown | a345d4d05dab6d25579ad8a459b20171ea43fb36b2278a8ade57fa9d203dab6d |
| Publication page | e99fcd14c0942677026c6979e12133f2e9105d2fc48498018a4d48dd44a4111a |
| Manifest | b02ddcb388757d4be2f096baeeaf20b36e7f345f547338fb94a3c1158302128c |
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 | UOQHNacMInUooYGHtc8CwLQk3xce6iL4YmIu6CmDINcWweKpZHCDqCVcY1PldJr1cmJzTeiLpdBODzViphukDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:56:31.943517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052893observed e99fcd14c0942677026c6979e12133f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:31.926488Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052893/manifest.jsonobserved b02ddcb388757d4be2f096baeeaf20b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.908931Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052893/publication.mdobserved a345d4d05dab6d25579ad8a459b20171...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:31.890788Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052893/publication.txtobserved 87c012e5500bf3f1469f0652cdb6c04f...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. |
|---|