OT-2026-000022489
Publication integrity record
Single cup vacuum gripper, 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-2026-000022489) never changes.
Identity and time
| Publication number | OT-2026-000022489 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-f4fe-7257-979f-044fb88bcfa2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:07.953226Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022489 |
| Status | PUBLIC |
Content hashes
| Canonical text | d7e871fbe2959f10c71c2312ccc2c5f42b014a1838066589e65ba981bce2a53d |
|---|---|
| Markdown | a75ca79bab0ca8ec6b3f11c81435f43515be5505b83b34c9d8981d479c4a19ae |
| Publication page | 59558a3904c5be7c5949f391e042d5e1bc385a64cc09496c02fc6066852bf107 |
| Manifest | a01cb4bf23287c8ffcb72276f1f867334ec13b8cb251ba46c9e6af2e5d81a0a4 |
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 | ZgWdm8w5ifwMSgro3IX1JAS+6QJbsOyAkU+skyZcJq18NvaiMWkTFNVBg4aRBaXz3FhbRII8EgL6c1VLh2mpDw== |
| 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
| 2026-09-17T11:53:54.589706Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022489observed 59558a3904c5be7c5949f391e042d5e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:53:54.569546Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022489/manifest.jsonobserved a01cb4bf23287c8ffcb72276f1f86733...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:54.550790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022489/publication.mdobserved a75ca79bab0ca8ec6b3f11c81435f435...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:53:54.527819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022489/publication.txtobserved d7e871fbe2959f10c71c2312ccc2c5f4...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. |
|---|