OT-2026-000050993
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum 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-2026-000050993) never changes.
Identity and time
| Publication number | OT-2026-000050993 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b4-75d2-a2bb-279b42e11638 · 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-2026-000050993 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9b3abc2145c449e9ca5a52d79e8ae41b34de17e862d6b35c16b9314e8078ea5a |
|---|---|
| Markdown | 9dce1a4e23a8e08362a6192e47daaa16be98e397633434cfedfcb7a3aa41c1f9 |
| Publication page | 9e63f13ca5b9830c56058fce56082704fe495abbb9e17f335372bad5df0eb55c |
| Manifest | d0da75b078fa61e5e00c482423f8ffd4ecf210d7626af3446411dfc05ec43447 |
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 | vRMEioPxCCLD/nC97SVwsj5ggBUS0au1dqsg185JrE7wk+1QwNgCMCwFvuw7Swk7UDT46zQZh33uPmCuRVNABA== |
| 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
| 2026-10-11T12:41:50.426289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993observed 9e63f13ca5b9830c56058fce56082704...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-11T12:41:50.347267Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993/manifest.jsonobserved d0da75b078fa61e5e00c482423f8ffd4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:50.273887Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993/publication.mdobserved 9dce1a4e23a8e08362a6192e47daaa16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-11T12:41:50.187415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993/publication.txtobserved 9b3abc2145c449e9ca5a52d79e8ae41b...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:41:23.648187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993observed 9e63f13ca5b9830c56058fce56082704...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:41:23.540573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993/manifest.jsonobserved d0da75b078fa61e5e00c482423f8ffd4...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:41:23.449132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993/publication.mdobserved 9dce1a4e23a8e08362a6192e47daaa16...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-08T16:41:23.277520Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050993/publication.txtobserved 9b3abc2145c449e9ca5a52d79e8ae41b...fetched by grabo-systems from 34.44.131.203, 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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|