OT-2026-000050189
Publication integrity record
Single cup vacuum gripper, pump fed, vented 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-2026-000050189) never changes.
Identity and time
| Publication number | OT-2026-000050189 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c45-7798-990d-9b6ec27ae13d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050189 |
| Status | PUBLIC |
Content hashes
| Canonical text | b720e6ec8fb9c56a66dac4d752595eb4e09dac8062ec5188d5177bfcd7b0f1b9 |
|---|---|
| Markdown | cbf9e7a0099c3553493f0531cc226ff142827395c68585c39a1557e2865e77d6 |
| Publication page | 22a2bff5943ce70433422c60f5c7eaf8c69c2726791f5710d95109490909f704 |
| Manifest | 522565e7bc6ed5ce84e10a69db853b538321b30549a35dfc3a4f5cffe216ef53 |
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 | ji6K7cpmnpY9dZhA2V1YPpJOW5Yv2y6S4ciHPFh5+hUOwkF2uQRAkF5Cl86nI9Aq8gus8w095BMYNVXzv3fxCw== |
| 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
| 2026-09-17T11:01:10.397346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050189observed 22a2bff5943ce70433422c60f5c7eaf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:10.376901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050189/manifest.jsonobserved 522565e7bc6ed5ce84e10a69db853b53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:10.358875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050189/publication.mdobserved cbf9e7a0099c3553493f0531cc226ff1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:10.341324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050189/publication.txtobserved b720e6ec8fb9c56a66dac4d752595eb4...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. |
|---|