OT-2026-000021689
Publication integrity record
Four cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000021689) never changes.
Identity and time
| Publication number | OT-2026-000021689 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7d88-8bb3-6652c1eb1392 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021689 |
| Status | PUBLIC |
Content hashes
| Canonical text | ce5bf69efc2a3b3673306682293c8334046170ccf3339b4c166d4f6cf44b7801 |
|---|---|
| Markdown | 5790e0449168870176421f8caaaac1a2078efac88da06e3477c234de04db5d4e |
| Publication page | 7beb897d55513d8c99b040d53191ab32c8dd2ece565bc7a54ebd29c7f1249ea1 |
| Manifest | 9a8c22773f3028251075352b52a82a645524df700d2ac2c29611ba6e2481e186 |
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 | 5xksx1jLCM0drdKeBTmiQM2EkL3bWMnV6E7uRipyd4FJIn8J39fnCl4zRKX7d9bttAck2JwOv0f92KKnpKPHDw== |
| 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
| 2026-09-17T11:54:03.374530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021689observed 7beb897d55513d8c99b040d53191ab32...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:03.357948Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021689/manifest.jsonobserved 9a8c22773f3028251075352b52a82a64...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:03.318505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021689/publication.mdobserved 5790e0449168870176421f8caaaac1a2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:03.272560Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021689/publication.txtobserved ce5bf69efc2a3b3673306682293c8334...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. |
|---|