OT-2026-000031800
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000031800) never changes.
Identity and time
| Publication number | OT-2026-000031800 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7031-b5b3-ad51c0de3da0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031800 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4596dbb02696e84330994f46a7ca153775166ef65f1e8e074014dfe0a95a8266 |
|---|---|
| Markdown | 5a86841add6ca7448da71e60ab80106fe8f5d516ae0876ac4e6cbe0f8fb16e07 |
| Publication page | 561b2ebeb29ffb4658ea59b243e85abbced72314aedad4020a93a806ba4ed4b3 |
| Manifest | 98755c235246eb4a850f3dc2f28ddaa0860aacba9e2aa7862eddb6a745edaded |
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 | axYKek/hxuMX7yfewrRmoZ02tpTLK/fSX1givaV4CA1DmHvlF6tWm5gULzewXJwoOe1YYokzrNnQaC3u/1E3Cw== |
| 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
| 2026-09-17T11:34:56.281905Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031800observed 561b2ebeb29ffb4658ea59b243e85abb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:56.251065Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031800/manifest.jsonobserved 98755c235246eb4a850f3dc2f28ddaa0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:56.229167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031800/publication.mdobserved 5a86841add6ca7448da71e60ab80106f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:56.204180Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031800/publication.txtobserved 4596dbb02696e84330994f46a7ca1537...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. |
|---|