OT-2026-000052991
Publication integrity record
Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000052991) never changes.
Identity and time
| Publication number | OT-2026-000052991 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a430-7ca5-b478-f11aaeb1a54e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19d78a255ec80439840122c56ea88ad957fa05b24f58fb359e66116fb61d8a9b |
|---|---|
| Markdown | 9d97191e6c2eea44acd4db0485ead0e13a7c8c5d8f47ab7e44c2b25e2e011d75 |
| Publication page | 4e452646ce5c4b7facbd47fc757231178a82102538f8d2426a0d16d0da176833 |
| Manifest | 24dc4beaceb5da3e8964cc700cecce6839965b1c57964d453f8523b9353ccd27 |
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 | 7zqdjbg0gKd/rZvzvL1k38Jd8YjL9+CS6oaBbXJ8H3AsCiN6TsOAa5r5otDZEjvxGDjwJBE4e/S/219XsZnLBg== |
| 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
| 2026-09-17T10:56:41.063781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052991observed 4e452646ce5c4b7facbd47fc75723117...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:41.045214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052991/manifest.jsonobserved 24dc4beaceb5da3e8964cc700cecce68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:41.024718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052991/publication.mdobserved 9d97191e6c2eea44acd4db0485ead0e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:41.005445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052991/publication.txtobserved 19d78a255ec80439840122c56ea88ad9...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. |
|---|