OT-2026-000020171
Publication integrity record
Four bellows cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000020171) never changes.
Identity and time
| Publication number | OT-2026-000020171 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4379-7965-a55a-4f58fdaca34b · 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-2026-000020171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7aa5e1b8ea6905db02edc5c61d11357c375e24d737166f0d49fb1be753a467d4 |
|---|---|
| Markdown | f8faf3cf8287cb9faad7775d859d59a75a1501b905c05555407706f913884bd1 |
| Publication page | 8c6ba19eb60a04c66978ae8f2c571870c61a8e9a9fb2c1404fbaf1aac1642de2 |
| Manifest | 872a807855d1b8d3a85912b6107e7cfb1b15450a8e10ee9f58e49163d95f3291 |
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 | GQAl/rNtQTulfgVqOznIkEBpzvJlB3g2DE01ijYX/DJgNPS22xMvMDyggzm11aQ6MBm0CQ3obdPpjW4bExfMAA== |
| 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
| 2026-09-17T11:56:29.374369Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020171observed 8c6ba19eb60a04c66978ae8f2c571870...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:29.356531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020171/manifest.jsonobserved 872a807855d1b8d3a85912b6107e7cfb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.339212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020171/publication.mdobserved f8faf3cf8287cb9faad7775d859d59a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:29.320146Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020171/publication.txtobserved 7aa5e1b8ea6905db02edc5c61d11357c...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. |
|---|