OT-2026-000057848
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000057848) never changes.
Identity and time
| Publication number | OT-2026-000057848 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-738c-98d3-b698b0a6aadf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:52.020108Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057848 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ef8280c4a47a339abfe14e5c19781011df185028e5e76c60a739e81ea707ff1 |
|---|---|
| Markdown | f225881bdadc3a8b46e015d925fff9aaae90207e173eab3a309202da406d5a4e |
| Publication page | dd32e5dccc53da537cc7d5737ddfb60d12c0e3f416b040b1f5264f03a0d8cf2a |
| Manifest | b718894571b3c3544438179b97cdea06138b7d03d2812ec30634e8ad32fbd7a5 |
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 | tjdoyIZXFHuEnLKMxYXLJ3wwm2bfxTKbFggVHamoJIZSLQr5RuCXKyaW5NmV44nDkcLDIYonqOoMkBHqJaupAA== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T10:47:25.642050Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057848observed dd32e5dccc53da537cc7d5737ddfb60d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:25.624360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057848/manifest.jsonobserved b718894571b3c3544438179b97cdea06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:25.606642Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057848/publication.mdobserved f225881bdadc3a8b46e015d925fff9aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:25.589683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057848/publication.txtobserved 1ef8280c4a47a339abfe14e5c1978101...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. |
|---|