OT-2026-000056028
Publication integrity record
Single bellows cup vacuum gripper, three stage ejector, sustained blow-off after set-down
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-2026-000056028) never changes.
Identity and time
| Publication number | OT-2026-000056028 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7334-813c-e2f61b3a21b8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056028 |
| Status | PUBLIC |
Content hashes
| Canonical text | f3dcd197a3e4a766d509dc2bed6ce9beacc816db033c57f982f2a2a218a2c862 |
|---|---|
| Markdown | 4c0b63e09aad99e6334a40c51513355878494321fc12bf8940613bd98e91d2e2 |
| Publication page | 9a73d265f85770757e4bebff9174802d71ef50fe09a10abae4fdf9140cba533d |
| Manifest | 9134a14c4ea9844280dd1016d1c095e430a7d2ff286bef01f79136a332935170 |
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 | RQZpxJ9ABsiz5Y8dkWltjPUpb9/6Bpsb2Jm8WujcVlZm4ZKZRwHbrNZPGLa/iFqMkwIY8UhzfAA6AutM+f0CCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:04.496969Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056028observed 9a73d265f85770757e4bebff9174802d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:04.478762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056028/manifest.jsonobserved 9134a14c4ea9844280dd1016d1c095e4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:04.446963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056028/publication.mdobserved 4c0b63e09aad99e6334a40c515133558...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:04.414507Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056028/publication.txtobserved f3dcd197a3e4a766d509dc2bed6ce9be...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. |
|---|