OT-2026-000018156
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000018156) never changes.
Identity and time
| Publication number | OT-2026-000018156 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b488-7c22-9339-9822a99c3c60 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018156 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8976aa19ec3c93631084d87eac48d060dce4773c8a00e4e8f757a1f2b374a200 |
|---|---|
| Markdown | fd2685240d8cb25ce69f087199c7e0d10963c4906bad30b0b9b773965c1811be |
| Publication page | 7a03d89b86c921860bd75fa7011e5b6c6cfafec5a3578bde93b885899bb5360e |
| Manifest | 751d94092831fc3f20f74298088c4725d70e3efb2d676022bc4e1e982b847bb3 |
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 | Uk16v/pbX8aHEHUhJ0vvtx9xqoXS4rTUu9r0LJjsy0NskHBCbcXqU9rA8n77+XU91zLGlhvUXhaAxjEygog2Cg== |
| 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
| 2026-09-17T11:59:54.483464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018156observed 7a03d89b86c921860bd75fa7011e5b6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:54.466584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018156/manifest.jsonobserved 751d94092831fc3f20f74298088c4725...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:54.449294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018156/publication.mdobserved fd2685240d8cb25ce69f087199c7e0d1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:54.431198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018156/publication.txtobserved 8976aa19ec3c93631084d87eac48d060...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. |
|---|