OT-2026-000057844
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-2026-000057844) never changes.
Identity and time
| Publication number | OT-2026-000057844 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7d9f-a60f-2e8375fad523 · 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-2026-000057844 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1e4301ad4c7bc0d7a926a83d1fe0077eb2a52349e433b16eac02bba044ff458 |
|---|---|
| Markdown | 37d11eabc0336bbf6d638e6c6a5926c01bf6811c27d3ccc45bdc9c55e965e49c |
| Publication page | a0a2df75cbad21ee9e43b755385cbfa1c53655f90ead9f341a2dca3a139865d5 |
| Manifest | 8749cc721daf3efde178120093228889aae00f427ad5f0940381702e5db2e1c8 |
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 | myfB2o6MbE9YpFWTVg4hklzRmin3mckgvI4jrjIYPU9uVjFK+vNhz0CMbzaJ3gdMWc8LqvbmdM2oYY7ZKDrXBQ== |
| 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
| 2026-09-17T10:47:25.326838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057844observed a0a2df75cbad21ee9e43b755385cbfa1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:25.308758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057844/manifest.jsonobserved 8749cc721daf3efde178120093228889...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:25.287705Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057844/publication.mdobserved 37d11eabc0336bbf6d638e6c6a5926c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:25.268730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057844/publication.txtobserved e1e4301ad4c7bc0d7a926a83d1fe0077...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. |
|---|