OT-2026-000090213
Publication integrity record
Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, manifold pressure sensor, 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-2026-000090213) never changes.
Identity and time
| Publication number | OT-2026-000090213 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-428f-7ba8-8fed-30ac43701e56 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090213 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b30efab7d67efe09d0fff84a97cfa319d6866dde65869b89c4083624f763f45 |
|---|---|
| Markdown | c20ed23a053e8126f817d314ff5df8f56f4931ceb82f621b3a42a3110b01a29b |
| Publication page | 42fd1eaf1e41f40f0720488db8c80198acd897ddcb6b58035ffb3ae7abb6471c |
| Manifest | 8a7520d8dd2e367d0c0c7e4ac3556a2d5a25a178792393cf52abe0e0b736ce11 |
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 | TFZ1qHpP3+4zXgCXGY2BIS+6PE0Rv4tXI2fc5fEwjOs36Xl2ESHf44Ca3uWzc+je3Nr8IUqzaP/g+hsA/jv5CA== |
| 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
| 2026-09-17T09:46:17.313095Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090213observed 42fd1eaf1e41f40f0720488db8c80198...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:17.295778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090213/manifest.jsonobserved 8a7520d8dd2e367d0c0c7e4ac3556a2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:17.277125Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090213/publication.mdobserved c20ed23a053e8126f817d314ff5df8f5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:17.260224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090213/publication.txtobserved 4b30efab7d67efe09d0fff84a97cfa31...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. |
|---|