OT-2026-000071900
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented before 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-2026-000071900) never changes.
Identity and time
| Publication number | OT-2026-000071900 · never reused |
|---|---|
| Internal UUID | 01a0ae92-47c0-76b8-aa5c-426b2b6a0c43 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:37.365346Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071900 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ae159d797a7d683e5b5c8b05920ef2f807eb8d44b804f31fa69bc19f6d44ff3 |
|---|---|
| Markdown | ca4dfeb2e0cc4262a069a9ff70e4d954d055bdc9d44e31abc6eb1c74568da8cc |
| Publication page | 9be880b29dd5ae4abcdf138cd07d1c81ed8135c423055fd70d3f31b99429bd48 |
| Manifest | 3cd804793191fd09218d119c8266c7cdd80d34c82ddfda2a421ddd2abaa527e0 |
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 | 8CxI0BOzpKdmpaENL3Oseo0wKAhNMOeZ5lb13Cj/SzXTri3risZCnEpr0lxdQcywaVKeG2gERLSqnTvlHvY/DQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:22:55.401995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071900observed 9be880b29dd5ae4abcdf138cd07d1c81...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:55.382620Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071900/manifest.jsonobserved 3cd804793191fd09218d119c8266c7cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:55.362502Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071900/publication.mdobserved ca4dfeb2e0cc4262a069a9ff70e4d954...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:55.342268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071900/publication.txtobserved 1ae159d797a7d683e5b5c8b05920ef2f...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. |
|---|