OT-2026-000010750
Publication integrity record
Single cup vacuum gripper, pump fed, vented after 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-2026-000010750) never changes.
Identity and time
| Publication number | OT-2026-000010750 · never reused |
|---|---|
| Internal UUID | 01a0ae6c-0ee8-721f-8382-dc45acf7e7c1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:11:52.445886Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000010750 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b4ff4062fecf5d9ed57ac305c6c670302a56126f95f14298b83483d42cf71f5 |
|---|---|
| Markdown | 95a3089045e121205ad6c41c0d2490e32196a08816a9c4ef0de4295cb3e045dc |
| Publication page | fd44d0b98e0538e8b5381ef4b57096d0b1b3d066bf0742840ad58c66f5a9ebf4 |
| Manifest | 37843ca0c3a001482651a36df0f7375f1d3c4f4a9f57c95670e27b6be36171d6 |
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 | tP4bnOKFc8ffSUPNEuHLe+mHZpFcy9ZKjUrGHFx/XO/z4Mk4ftLhlhykxUEBcndk5+twRQks+5d3+dZaV3bkBQ== |
| 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
| 2026-10-18T04:23:32.422080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750observed fd44d0b98e0538e8b5381ef4b57096d0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-18T04:23:32.407396Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750/manifest.jsonobserved 37843ca0c3a001482651a36df0f7375f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:32.388533Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750/publication.mdobserved 95a3089045e121205ad6c41c0d2490e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-18T04:23:32.370421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750/publication.txtobserved 0b4ff4062fecf5d9ed57ac305c6c6703...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:47.287628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750observed fd44d0b98e0538e8b5381ef4b57096d0...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:47.139009Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750/manifest.jsonobserved 37843ca0c3a001482651a36df0f7375f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:47.008898Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750/publication.mdobserved 95a3089045e121205ad6c41c0d2490e3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-19T12:41:46.829801Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000010750/publication.txtobserved 0b4ff4062fecf5d9ed57ac305c6c6703...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 |
|---|