OT-2026-000051817
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000051817) never changes.
Identity and time
| Publication number | OT-2026-000051817 · never reused |
|---|---|
| Internal UUID | 01a0ae83-7c84-76f4-968a-d55e3df2bf32 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:27.829082Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000051817 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8449d18df6013dae809f343682683be7d081555b3b11c0ba5cfc882a1952886c |
|---|---|
| Markdown | c4fa872d36228a428b6117b71a8e897018c8cd1e2780019a9353e73eb2e96444 |
| Publication page | 11571335809a07c9f8598313e06415ea026d44128e7f0d62f128a83b00ff43cd |
| Manifest | 3fc86ce13c359206d4c841398c8532dddaace4ced22941c46f0ffe3fcd077200 |
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 | 8L9yDaWkvurc+xGfSKIdXzDQOUVZ6LGFkFL+B0f29SiJBiUysNgzSacVz6imVioOHgDtGiqmaufgWtLIXadtDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-10-02T08:41:47.390903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817observed 11571335809a07c9f8598313e06415ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-02T08:41:47.306731Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817/manifest.jsonobserved 3fc86ce13c359206d4c841398c8532dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:47.222222Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817/publication.mdobserved c4fa872d36228a428b6117b71a8e8970...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-02T08:41:47.145108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817/publication.txtobserved 8449d18df6013dae809f343682683be7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:41.569387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817observed 11571335809a07c9f8598313e06415ea...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:41.493526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817/manifest.jsonobserved 3fc86ce13c359206d4c841398c8532dd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:41.414505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817/publication.mdobserved c4fa872d36228a428b6117b71a8e8970...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:41.254809Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051817/publication.txtobserved 8449d18df6013dae809f343682683be7...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 |
|---|