OT-2026-000050878
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, vented 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-2026-000050878) never changes.
Identity and time
| Publication number | OT-2026-000050878 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b3-76e3-b4e1-a5eaeb960263 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:41.548889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050878 |
| Status | PUBLIC |
Content hashes
| Canonical text | 496089aa116cf762ef2d36dcaed85ad7fee15e1b901215d83a5771f465cbfe6e |
|---|---|
| Markdown | 25f57bb2e982444059514061cb6a9e2c60d6e075b1d3e88a8593d8885adc3b53 |
| Publication page | 6ec3ca412056bfffe7004c96b62bfa34e035a742cc1de0bf6c9c65b7eb2e55d1 |
| Manifest | 783b636db5510ef4e9288856b766ede4a5edb718ad494be646c67e5ccde297f2 |
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 | KFFuklIoND0TdlWaToNYVDToiRzRIQyQNaM4rcJMDlbRAHV1IqqBSGNQMQIsZ5C6Yj9Jkl5J8tevy7a7b/3dDg== |
| 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
| 2026-09-17T11:00:36.562766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878observed 6ec3ca412056bfffe7004c96b62bfa34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:00:36.539657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878/manifest.jsonobserved 783b636db5510ef4e9288856b766ede4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:36.520790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878/publication.mdobserved 25f57bb2e982444059514061cb6a9e2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:36.498744Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878/publication.txtobserved 496089aa116cf762ef2d36dcaed85ad7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:36.483107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878observed 6ec3ca412056bfffe7004c96b62bfa34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:36.461699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878/manifest.jsonobserved 783b636db5510ef4e9288856b766ede4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:36.441355Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878/publication.mdobserved 25f57bb2e982444059514061cb6a9e2c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:36.422506Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050878/publication.txtobserved 496089aa116cf762ef2d36dcaed85ad7...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. |
|---|