OT-2026-000056155
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000056155) never changes.
Identity and time
| Publication number | OT-2026-000056155 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4c-7760-9e27-354085549962 · 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-2026-000056155 |
| Status | PUBLIC |
Content hashes
| Canonical text | f6348e6487b47bd62303ca307e784de039d9c3b200c31185d476dde6df03bc09 |
|---|---|
| Markdown | aa1caeab18b5850cc4da9831b9e206eb2f45a2be9f732c16973f03320ccf4e34 |
| Publication page | bde28c363aac560b754f331da97fa155edb1f5919e1b0e6492eefa3cbfd2b9e4 |
| Manifest | 3f9e7997770fe7fa0cd07965964cf47c489eb3a34d08c95c0d7be53ab177a908 |
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 | vcO7M4skZ3Bseifoialni34nlYScH3bEInDI/z02nbQZZF7v0FLnmXLnBZrbqRTBLL3VGnS3ZACt2Ni6vzAHDw== |
| 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
| 2026-09-17T10:51:42.659327Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056155observed bde28c363aac560b754f331da97fa155...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:42.640491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056155/manifest.jsonobserved 3f9e7997770fe7fa0cd07965964cf47c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.622884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056155/publication.mdobserved aa1caeab18b5850cc4da9831b9e206eb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:42.603419Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056155/publication.txtobserved f6348e6487b47bd62303ca307e784de0...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. |
|---|