OT-2026-000051021
Publication integrity record
Four cup vacuum gripper, four outlet manifold, 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-2026-000051021) never changes.
Identity and time
| Publication number | OT-2026-000051021 · never reused |
|---|---|
| Internal UUID | 01a0ae82-c7b4-77c2-ae0b-863019e5f2a4 · 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-2026-000051021 |
| Status | PUBLIC |
Content hashes
| Canonical text | 19476de0861c4af10e635828b5c957c258a58068f8cb4d3cb7eed2cb2030fe95 |
|---|---|
| Markdown | cde7974517327f4db0e5ec015feb82fb10ecdf7879be847ce8030979dd1ff892 |
| Publication page | 8f5f316692707cf7fc9ec9c990482f201ee5c2894d382c1ba681860d2002a665 |
| Manifest | c293a04f2d86a336f7fe8304460101a1f5dc29a6534616581a0861099efd2386 |
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 | 1DfpP2ls+TBSiha+ecy1XhV0ujfNaSPmF3rbkq35VOOyEpV5fu5AbOYsHJnYGADrBHPX/PbfKz2uZLYCe5ukAQ== |
| 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
| 2026-09-17T12:43:21.445921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021observed 8f5f316692707cf7fc9ec9c990482f20...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:43:21.304679Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021/manifest.jsonobserved c293a04f2d86a336f7fe8304460101a1...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:21.117396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021/publication.mdobserved cde7974517327f4db0e5ec015feb82fb...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:43:20.762486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021/publication.txtobserved 19476de0861c4af10e635828b5c957c2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:55.577416Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021observed 8f5f316692707cf7fc9ec9c990482f20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:55.559307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021/manifest.jsonobserved c293a04f2d86a336f7fe8304460101a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:55.540415Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021/publication.mdobserved cde7974517327f4db0e5ec015feb82fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:00:55.518521Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000051021/publication.txtobserved 19476de0861c4af10e635828b5c957c2...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. |
|---|