OT-2026-000031840
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000031840) never changes.
Identity and time
| Publication number | OT-2026-000031840 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7c5c-b587-7e7b039c87b6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031840 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6fb2eae41daf1ddb6007037ffea2c399ca0175346ed016dcba481b4a88479112 |
|---|---|
| Markdown | 807db282101974cd496fdbffa73a9403b51aa7334d91ab2dd064322846623a4e |
| Publication page | d73b4fd106d3f78e9a10853eea7c2a588d885be1c39124b9ff9721ff3e52ae83 |
| Manifest | 9f75d485042503a55f9607a4b81d9233fe8728bbf7ce1b290beb37b2fc178ee8 |
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 | fmmwLeiU+vLsBWJT6VpP9kZrQthi16EbKjaPN7/ZGjkFGTkIj6oY5VvB5Zw3BF4nmuIFt6GrMMuwL+hqnBiSDw== |
| 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
| 2026-09-17T11:35:05.367496Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031840observed d73b4fd106d3f78e9a10853eea7c2a58...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:05.350729Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031840/manifest.jsonobserved 9f75d485042503a55f9607a4b81d9233...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:05.333294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031840/publication.mdobserved 807db282101974cd496fdbffa73a9403...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:05.313873Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031840/publication.txtobserved 6fb2eae41daf1ddb6007037ffea2c399...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. |
|---|