OT-2026-000019215
Publication integrity record
Foam pad vacuum gripper, two zone face, two stage ejector, pulsed 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-2026-000019215) never changes.
Identity and time
| Publication number | OT-2026-000019215 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7c20-b1d7-469a87c15724 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019215 |
| Status | PUBLIC |
Content hashes
| Canonical text | a7b986945b04354e7bcf153fdfe858757340bb9a7346e4d85c721d5e87ae4aa1 |
|---|---|
| Markdown | 791889d9a588507cd9428b8651957e26b81ecefc42e633c169792c2acb189bce |
| Publication page | cf3f79507ea4115c4a2817a3edd1781338d2954ef8564e11ebdc3e1dd99781ba |
| Manifest | 5aa61c472cf1dec5d6dc7c79ad66bfcbb666e3f6278b4cb2eb6da07ecb1dfcf4 |
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 | /VfKDxKIc3jUTXtnugKIPpSXKzquEAv08PLzvNPFtzQsQLYZ56iJj88+R9eyHX5OsFa1CIhG9lZOb0GTmkOwCg== |
| 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
| 2026-09-17T11:58:32.277698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019215observed cf3f79507ea4115c4a2817a3edd17813...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:32.261863Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019215/manifest.jsonobserved 5aa61c472cf1dec5d6dc7c79ad66bfcb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:32.244248Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019215/publication.mdobserved 791889d9a588507cd9428b8651957e26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:32.227899Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019215/publication.txtobserved a7b986945b04354e7bcf153fdfe85875...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. |
|---|