OT-2026-000021885
Publication integrity record
Three cup vacuum gripper, three outlet manifold, plant vacuum 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-2026-000021885) never changes.
Identity and time
| Publication number | OT-2026-000021885 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-78b8-a5f3-673961d01413 · 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-2026-000021885 |
| Status | PUBLIC |
Content hashes
| Canonical text | 72e2b87dd366d12ebaf215c6937a769b3d1f37683cbecec1cb0e8eac6b7ac9d5 |
|---|---|
| Markdown | c5f62bfd7f0ba981c0297e21dcf2610696489f3f70f23ba0f20b6dff38c5340c |
| Publication page | c945fea16c8b9189168762f012f9973ab6d56bcbc5e8fb58a03d19ba8ed4fe97 |
| Manifest | 163c236c97c04f34f12d75f7d4f90d6a0dbfff1b4748c4299bbac8044632ffd6 |
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 | cUgjAU/Dy1Em2ZdYioKKL0W3ScvUr0n2BQK7hX4L70bGTzYPC5TGKE3W+XpxeD/TUp9ylov8Pq9vOxhAv0AADw== |
| 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
| 2026-09-17T11:54:27.056187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021885observed c945fea16c8b9189168762f012f9973a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:27.040153Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021885/manifest.jsonobserved 163c236c97c04f34f12d75f7d4f90d6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.021730Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021885/publication.mdobserved c5f62bfd7f0ba981c0297e21dcf26106...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.004435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021885/publication.txtobserved 72e2b87dd366d12ebaf215c6937a769b...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. |
|---|