OT-2026-000042881
Publication integrity record
Single cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000042881) never changes.
Identity and time
| Publication number | OT-2026-000042881 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7be6-8243-929fb8c8a188 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042881 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ef8e7391de5513558573ed3a781e8930f317f02484f517129713b268c47bef3 |
|---|---|
| Markdown | 5c84860ba3657ad77feaeb75f46cfbf488eb89184ac0ee4d8ba1549373c7b232 |
| Publication page | a99c8eae134e7090b772bd113875134baddb376de9688c743a664d5695a393e5 |
| Manifest | ab644a499d3630dce73a9c9b894f1a330a444cf70a60974e4aba8912b19506d8 |
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 | 60n9cZeLuHBwhqtT2hML9U7rT3uSrc3Vm4XQstJ8WqO0x96UHbf/RbHpr95zLWqilOvRkKcYjhTJDTgBsjJXCQ== |
| 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
| 2026-09-17T11:15:22.851776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042881observed a99c8eae134e7090b772bd113875134b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:22.832489Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042881/manifest.jsonobserved ab644a499d3630dce73a9c9b894f1a33...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:22.812751Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042881/publication.mdobserved 5c84860ba3657ad77feaeb75f46cfbf4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:22.792603Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042881/publication.txtobserved 5ef8e7391de5513558573ed3a781e893...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. |
|---|