OT-2026-000056004
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after set-down
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-2026-000056004) never changes.
Identity and time
| Publication number | OT-2026-000056004 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7882-9f72-364a4e96700c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056004 |
| Status | PUBLIC |
Content hashes
| Canonical text | fdd54ae801b8b770442ebaf1cfc12fae0bc1e75a58ce1dc3d66ded108404e467 |
|---|---|
| Markdown | 4b7e3a08fcc4d3e46eac4655395a6cd1d14fddb20bfc3bd93a364e84c4257667 |
| Publication page | 1a10dd9422fad2c3ebc43a969536485568c07948c5722da428b6c0f1f3bfc161 |
| Manifest | b7f3d6cba9b4f225aa1bdba2c10369104960d81c747882a63a4f96f7cd414497 |
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 | wDURQ805HK5E0HOAgHvRlpdRN3/4o9rf31CHF19ZE4wmpbvTB5eEI18FI/iySe6QpkgWCUjJrDp/D+hVZPHPBg== |
| 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... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:31.792463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056004observed 1a10dd9422fad2c3ebc43a9695364855...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:31.773700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056004/manifest.jsonobserved b7f3d6cba9b4f225aa1bdba2c1036910...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:31.754904Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056004/publication.mdobserved 4b7e3a08fcc4d3e46eac4655395a6cd1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:31.738811Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056004/publication.txtobserved fdd54ae801b8b770442ebaf1cfc12fae...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. |
|---|