OT-2026-000028532
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off 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-2026-000028532) never changes.
Identity and time
| Publication number | OT-2026-000028532 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-7704-9622-bf3548626208 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028532 |
| Status | PUBLIC |
Content hashes
| Canonical text | c54d368024ae2a69a80545bb55af91dc1b4d1a37cba98951b883bc9f5980610a |
|---|---|
| Markdown | 749ff867d1ab3c41d17d055de9c287f0aa3b3236a34b35b4807ea0913a1926f0 |
| Publication page | df4e572991f0c34e023479d549b84e787bbb6c32defa6795518406931f1dc1df |
| Manifest | c8de79604a4fc004a99a0662932dfeec285ec1041e00a658a755c4d847542bc6 |
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 | vopYVZ8jAwvXF06OU71JmXsDHi8m/xsstXBCHytsXGhyobTSUZdM4zDjanxhthpYEOAx9fG/RUHL1mo/KYIYAg== |
| 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
| 2026-09-17T11:40:48.354722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028532observed df4e572991f0c34e023479d549b84e78...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:48.338014Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028532/manifest.jsonobserved c8de79604a4fc004a99a0662932dfeec...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.317936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028532/publication.mdobserved 749ff867d1ab3c41d17d055de9c287f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:48.299352Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028532/publication.txtobserved c54d368024ae2a69a80545bb55af91dc...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. |
|---|