OT-2026-000042884
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, pulsed 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-2026-000042884) never changes.
Identity and time
| Publication number | OT-2026-000042884 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-7c4e-8dfd-f868a391ff48 · 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-2026-000042884 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2187ecfb9802c38dbf84a99fe272dab5dd6c8585073ec461d9a47d1226b441b |
|---|---|
| Markdown | dcd680ffd8c7f65825319ae8f89647f43ee1746dca43084e0f87e63728e3d567 |
| Publication page | 9c15d273def17fff8207d791d69f12cd33667724b582b4c01220ded3da638c43 |
| Manifest | a2d17c63d2408be9e284cf9531c8c4f8a2a9e1c5632ac1a10875a7e77e71df1e |
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 | OvMmj+2DbELMsJ6nohJ3a5uI+uc96yjXx7BL2vicHr1x3jDpt1uQRR61lN7Jx+XmYJ96yP/hiI7XeIo+kBfJDw== |
| 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
| 2026-09-17T11:15:23.100560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042884observed 9c15d273def17fff8207d791d69f12cd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:23.080826Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042884/manifest.jsonobserved a2d17c63d2408be9e284cf9531c8c4f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:23.060467Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042884/publication.mdobserved dcd680ffd8c7f65825319ae8f89647f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:23.039543Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042884/publication.txtobserved b2187ecfb9802c38dbf84a99fe272dab...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. |
|---|