OT-2026-000090420
Publication integrity record
Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, sustained blow-off before 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-2026-000090420) never changes.
Identity and time
| Publication number | OT-2026-000090420 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2d-7958-bf61-57219d419c97 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090420 |
| Status | PUBLIC |
Content hashes
| Canonical text | a127780e06c50de3ce0a3d12eb24836e17524c0931ef12362b9e9e6b651f63ca |
|---|---|
| Markdown | e633e9ccb5b7a587af076c61b044637a5d651715b4da39a47e8b81c718bad716 |
| Publication page | 755f3308a363e5c2f89aca7b605c9290946aa8fa83e9081dabb20707306933f7 |
| Manifest | a48b76c1e7743b754008bac770fd1cd6f914a64dc9393f7e3e363e0c4764183b |
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 | u+kI3XGBjHVCI+f/7e/UzAXCnrEuNtSJzRQUa0tn0YAFd65GHr1yeLfC6AFdREc01ZZZVtMLM84av5IA0YwpDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:32.120227Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090420observed 755f3308a363e5c2f89aca7b605c9290...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.104415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090420/manifest.jsonobserved a48b76c1e7743b754008bac770fd1cd6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.087657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090420/publication.mdobserved e633e9ccb5b7a587af076c61b044637a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.071108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090420/publication.txtobserved a127780e06c50de3ce0a3d12eb24836e...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. |
|---|