OT-2026-000057836
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-2026-000057836) never changes.
Identity and time
| Publication number | OT-2026-000057836 · never reused |
|---|---|
| Internal UUID | 01a0ae88-6ed8-7e9c-848c-98b66218f74a · 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-2026-000057836 |
| Status | PUBLIC |
Content hashes
| Canonical text | f84c49536c43ce981523effb01e80fdd53aa5bc1e475162f17ce97cf5e67dff8 |
|---|---|
| Markdown | de8c421c383e2f71f6134840a52c5f4e72ba2fd5626fe9b1384357b85dd3c29f |
| Publication page | 5a2816b3436bcbf9d90735eb16b668464bfc51ddadf11a2604aac0cb913fed8f |
| Manifest | a6a77577e92e26578d4c502192919093c1f18e791049667950dba562d8e97dcd |
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 | 8oblvM5MWKBPMeEBClBDfgX2xurhOji4LFqmJQtNL24QqG5vMRWpPNLLF/trivsI5BCzZhuIjDXf/4M67VgZAQ== |
| 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
| 2026-09-17T10:47:24.719510Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057836observed 5a2816b3436bcbf9d90735eb16b66846...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:47:24.701572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057836/manifest.jsonobserved a6a77577e92e26578d4c502192919093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:24.683582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057836/publication.mdobserved de8c421c383e2f71f6134840a52c5f4e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:47:24.667107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057836/publication.txtobserved f84c49536c43ce981523effb01e80fdd...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. |
|---|