OT-2026-000021678
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000021678) never changes.
Identity and time
| Publication number | OT-2026-000021678 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7932-8292-72c2e20358e2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021678 |
| Status | PUBLIC |
Content hashes
| Canonical text | b91885a098e812d75771718bd1bb0f2087b54fcce89165a6951c553727d7a873 |
|---|---|
| Markdown | cbff75ac1d771b0f21c43eb03e1d5d218652c0a0b57050589f76f24278b09a42 |
| Publication page | 1265394c73a7a6af7941be35ebe55ee2dc45dc7637a9257b62d3b8264235d9dc |
| Manifest | b4ef8b4e97aefe8efd825ab5f84a34bfb74b4a0789ec6bdcf4b0083e123bada6 |
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 | B1r4UGJzbiouSNxD+frI//R6Na/US+h9lfferyYHQZEDySovWz/JE6+yOJOwZihRbXPGM3eN4Fj2tm/IbtwgDQ== |
| 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
| 2026-09-17T11:54:12.709006Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021678observed 1265394c73a7a6af7941be35ebe55ee2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:12.690601Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021678/manifest.jsonobserved b4ef8b4e97aefe8efd825ab5f84a34bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.674838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021678/publication.mdobserved cbff75ac1d771b0f21c43eb03e1d5d21...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:12.659440Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021678/publication.txtobserved b91885a098e812d75771718bd1bb0f20...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. |
|---|