OT-2026-000041989
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000041989) never changes.
Identity and time
| Publication number | OT-2026-000041989 · never reused |
|---|---|
| Internal UUID | 01a0ae79-e8a7-7fed-b5f9-8fef06d14a28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:00.220789Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000041989 |
| Status | PUBLIC |
Content hashes
| Canonical text | cd52d4efe4d23f2b1ad1b32a497a1e9a96a15200532b845a70c39e9bd7b262ce |
|---|---|
| Markdown | 984cf39f08122535a83e806633fc2a7cd0d0abbf7454ef759885df5bfe950844 |
| Publication page | 2f221728696b67ac5d7f2af6b5f59b8510d148ed60834cc76a4120ba97533327 |
| Manifest | 893876ae95898be054827f8571e82d128656ba8980b9c740eb87f5c65daa29f5 |
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 | eoj1RQMumuM1uVMEC7heR8kUsVfs4v+ZdP2ZsybYxvp4o/tnYoH7qv2VsFPQCnDPDGPx+N3v4vZ+Npopu5DbCg== |
| 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
| 2026-09-17T11:16:53.100374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041989observed 2f221728696b67ac5d7f2af6b5f59b85...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:53.082738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041989/manifest.jsonobserved 893876ae95898be054827f8571e82d12...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.066682Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041989/publication.mdobserved 984cf39f08122535a83e806633fc2a7c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:53.050677Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000041989/publication.txtobserved cd52d4efe4d23f2b1ad1b32a497a1e9a...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. |
|---|