OT-2026-000026640
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained 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-2026-000026640) never changes.
Identity and time
| Publication number | OT-2026-000026640 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4aa-7748-8578-9e45780f9a7f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026640 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4cdfd52fd11d39d7092f8a0f03978735d8f2d73a10ff485663d22faeb8843c36 |
|---|---|
| Markdown | 7552e0826db5d1b62e021033f9fd7791fdfb764b1d0495d03a2cc54ad98c4149 |
| Publication page | 153738c5db7b575cc0c7a41c5c749ce2e4ea0525842bce2d21cea155bd5b24a5 |
| Manifest | dfa7fe26f2292a15f510ce244af1bb860a278837c53dc9aa32cadc08a1205511 |
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 | TMTOhg8phCGovAV08zVRPVxU49WXCsT8TTj00KruweOKINsHKnL4A178JHRku9B5QUic9TP1lIrjW/tOAP3VAQ== |
| 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
| 2026-09-17T11:45:43.115607Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026640observed 153738c5db7b575cc0c7a41c5c749ce2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:45:43.096771Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026640/manifest.jsonobserved dfa7fe26f2292a15f510ce244af1bb86...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:43.077545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026640/publication.mdobserved 7552e0826db5d1b62e021033f9fd7791...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:43.057822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026640/publication.txtobserved 4cdfd52fd11d39d7092f8a0f03978735...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. |
|---|