OT-2026-000042133
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000042133) never changes.
Identity and time
| Publication number | OT-2026-000042133 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-7c7b-bfe8-4a8e972154ed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042133 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4cd20934ff71b89d41848f141e5eb2d334c1779510293b4c15e5808c51e02c15 |
|---|---|
| Markdown | 1942532b83b9b045775d007421057e3ee4de3c683e551e3c693279eba893a3d8 |
| Publication page | 4cc66a0a76eea12c15debc3e49af0879cfc849ff76b7b1fedb7d1d58832bf48a |
| Manifest | 43efda5bf03c6d500d3fd8944b5e7358353e4209e455665b93f8f9634fd09ace |
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 | cBCvADR8cZuKw/5kvAvdpXfGYSHN/2yhkivYs+XCQWDxmW0aRjAG5OLsKt7IG+vUaX/6vkW6u5JF9Q/tMJ6cAA== |
| 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
| 2026-09-17T11:15:40.817250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042133observed 4cc66a0a76eea12c15debc3e49af0879...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:40.795235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042133/manifest.jsonobserved 43efda5bf03c6d500d3fd8944b5e7358...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:40.774597Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042133/publication.mdobserved 1942532b83b9b045775d007421057e3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:40.752899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042133/publication.txtobserved 4cd20934ff71b89d41848f141e5eb2d3...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. |
|---|