OT-2026-000049911
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000049911) never changes.
Identity and time
| Publication number | OT-2026-000049911 · never reused |
|---|---|
| Internal UUID | 01a0ae81-fd76-7032-ae11-402821ae9625 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:49.774136Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049911 |
| Status | PUBLIC |
Content hashes
| Canonical text | fdc8a8b7ece6ba7816c86f1caea5a2f593dc9bbbe444fddf62ee0b09dd24913d |
|---|---|
| Markdown | f4b678a1329962d0d404ebf85efdedac5c4a4d27320c3888791b14bedf35d9c7 |
| Publication page | 2776982ec3bf64d4a5a1d7b00f7342c9d7e6a2dad100dadf719bd6810edeff3a |
| Manifest | 15bfdedf604a8c2188ad209d50a20a8096d4470961b99772d65edf26c88cb06f |
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 | 2XGXGpkqwcaRhNk7Vgw3UwBdw3qubssapsZLkzXVw53ssLzHz7MA8uEFBJ4bGVTCgePnE9DxScnDz+vnNOA4Cw== |
| 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
| 2026-09-17T11:01:50.109970Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049911observed 2776982ec3bf64d4a5a1d7b00f7342c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:50.091951Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049911/manifest.jsonobserved 15bfdedf604a8c2188ad209d50a20a80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:50.072526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049911/publication.mdobserved f4b678a1329962d0d404ebf85efdedac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:50.053882Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049911/publication.txtobserved fdc8a8b7ece6ba7816c86f1caea5a2f5...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|