OT-2026-000021239
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, single stage ejector, 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-2026-000021239) never changes.
Identity and time
| Publication number | OT-2026-000021239 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865c-7e73-97a1-b44f8eb14342 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021239 |
| Status | PUBLIC |
Content hashes
| Canonical text | a97ead004c44caec69539d8863939d957c6e1316cfc1bee597f3eb11a364d866 |
|---|---|
| Markdown | 7c06a49913681431280ae6c4776bffc1fa874f6a2c910340cb7ab1cd0c54e2a2 |
| Publication page | 2574df4012e2bf5d7fe60c9c4f7028c2925b7654734c7ba5e0b537b919535414 |
| Manifest | f81fc9a92dcf2b60af7f8620e252c65da69c60606dacda5468b7a442095c88ec |
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 | +ZljgGcfs1gbbU77TyzRefcEauBGKZ2EuA0iSQnPQtqqTPEEykc5t33MWDxGW5KtA4EDyHJcxG//cdaQizojCw== |
| 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
| 2026-09-17T11:55:03.152119Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021239observed 2574df4012e2bf5d7fe60c9c4f7028c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:03.133734Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021239/manifest.jsonobserved f81fc9a92dcf2b60af7f8620e252c65d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.115078Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021239/publication.mdobserved 7c06a49913681431280ae6c4776bffc1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:03.096209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021239/publication.txtobserved a97ead004c44caec69539d8863939d95...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. |
|---|