OT-2026-000056156
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000056156) never changes.
Identity and time
| Publication number | OT-2026-000056156 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-7126-b97e-b75531416ab2 · 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-2026-000056156 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8e026600610404f17c4ee088a85999cc26eb163baac08b51646c5b9dfcdabae1 |
|---|---|
| Markdown | bd4f92afd8955e2ef5cfa63217bb36bb7f9f75fd3bdb8c4babf307b16e120a75 |
| Publication page | 5af56f2ec23af5ded6ee003fa66cb62e6a97fd658e30e267c10c93ebb45c0a02 |
| Manifest | a1e46e317d4cfd7c6272594a0529cfb1ef19f1ed8fa403f1c9bf620a45e5a59f |
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 | 8cbDNXrBxNQw1/vbtv3xtAVOk1Nd9BrUJEIioEC/NGvLXKdRcBNX99WaYXJz04mWTsh95Q+E33nzu0cePbf6BA== |
| 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
| 2026-09-17T10:51:42.733915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056156observed 5af56f2ec23af5ded6ee003fa66cb62e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:42.715762Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056156/manifest.jsonobserved a1e46e317d4cfd7c6272594a0529cfb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.698296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056156/publication.mdobserved bd4f92afd8955e2ef5cfa63217bb36bb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.678985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056156/publication.txtobserved 8e026600610404f17c4ee088a85999cc...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. |
|---|