OT-2026-000081890
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081890) never changes.
Identity and time
| Publication number | OT-2026-000081890 · never reused |
|---|---|
| Internal UUID | 01a0ae97-0f76-71b9-b927-f2a180a0a9d7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:58:50.648824Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000081890 |
| Status | PUBLIC |
Content hashes
| Canonical text | 57e7d179cbd521e9dd2f21165ed63e38cc8db3c76f22460edad9c348b8a9b13f |
|---|---|
| Markdown | 4214f29a3a1a3ab484ee9138ad97e7dfc339a4a8960ec72421f50069af0d2b20 |
| Publication page | f38d57172bc469baff63a1844e748b3de56eba3c9603e3e2630abbf5729fed56 |
| Manifest | 7a430cea9893f169ce24c7b0bcf72488cb0fc45938c5897aab76d18cd24cd8f3 |
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 | tsMEgdnTlN7TRRpWpE6sDThhdtBzB17H51yovkmnbSmUyVUYu6mXFGLprQawU6hWsZSXqBBM2ue2LySa5mKpCw== |
| 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
| 2026-09-17T10:01:00.752621Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081890observed f38d57172bc469baff63a1844e748b3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:01:00.736890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081890/manifest.jsonobserved 7a430cea9893f169ce24c7b0bcf72488...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:00.720681Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081890/publication.mdobserved 4214f29a3a1a3ab484ee9138ad97e7df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:01:00.704362Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000081890/publication.txtobserved 57e7d179cbd521e9dd2f21165ed63e38...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. |
|---|