OT-2026-000005421
Publication integrity record
Vacuum cup gripper, three stage ejector, pulsed blow off before set down, polyurethane cups
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-2026-000005421) never changes.
Identity and time
| Publication number | OT-2026-000005421 · never reused |
|---|---|
| Internal UUID | 01a0a938-7a37-7724-872e-d2efdbdc8adc · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:57:25.945853Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005421 |
| Status | PUBLIC |
Content hashes
| Canonical text | d671d6f904f31a413535227f321bb81dd98195c357589084985a1802d28afba2 |
|---|---|
| Markdown | d811e553a1f8616a4cce8c4a910edf06bdbf40c1802c9c5b83fb7e903eb33c83 |
| Publication page | 2d062ee030058e0745539a3df685e04344c6908acd29386fa375da5bad1499ca |
| Manifest | 181665ecea0586250bd3924e3a29d0ed22cc59756cf1b4ce47550574aec75e28 |
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 | J6klzr9+RqgjrpKyMiQ91vwbTHqITSIr1aT3G7DWIMTR2NkENcCB85lcJM7wmtkHLAg4j/35xqt7uEEN3/J6CQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:00:11.486698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005421observed 2d062ee030058e0745539a3df685e043...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:00:11.471319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005421/manifest.jsonobserved 181665ecea0586250bd3924e3a29d0ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:11.452643Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005421/publication.mdobserved d811e553a1f8616a4cce8c4a910edf06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:00:11.437450Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005421/publication.txtobserved d671d6f904f31a413535227f321bb81d...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. |
|---|