OT-2026-000020539
Publication integrity record
Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000020539) never changes.
Identity and time
| Publication number | OT-2026-000020539 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437c-75fd-9f58-4fe0df977239 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020539 |
| Status | PUBLIC |
Content hashes
| Canonical text | c8f66647920c82209ab42e4a95283f263598f22ceac07cef237a75b458bd77ba |
|---|---|
| Markdown | 3acb774253c6db5af130306dbd81d4ee21de2c8ab5ffdde4dac98c348a92ef17 |
| Publication page | bbf32b10e9150cf2b941258417d67563aeec8bcd5bc7f26eabbe1498dfb5dd3f |
| Manifest | f496c9b55fed5e9bdfe6259ec17ce335070022a33e71ffc867bd6edaad2d58b0 |
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 | mIIsogHxrXq+Hs7+yEC7s/P/hz7DQzXQYHzIA7rcwRd6l274rsKv5u+KmhQlT2fFpLDz/99R0rwLR0tjbpF7Ag== |
| 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
| 2026-09-17T12:00:31.323278Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539observed bbf32b10e9150cf2b941258417d67563...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:31.302774Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539/manifest.jsonobserved f496c9b55fed5e9bdfe6259ec17ce335...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:31.277739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539/publication.mdobserved 3acb774253c6db5af130306dbd81d4ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:31.254691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539/publication.txtobserved c8f66647920c82209ab42e4a95283f26...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.913896Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539observed bbf32b10e9150cf2b941258417d67563...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.895570Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539/manifest.jsonobserved f496c9b55fed5e9bdfe6259ec17ce335...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.876102Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539/publication.mdobserved 3acb774253c6db5af130306dbd81d4ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:33.853406Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020539/publication.txtobserved c8f66647920c82209ab42e4a95283f26...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. |
|---|