OT-2026-000028392
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000028392) never changes.
Identity and time
| Publication number | OT-2026-000028392 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-72e1-8544-3f7f82924058 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028392 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6c112f68d07363133528126314cb7e3b65a521673fb4a4b6535424165ddc37ba |
|---|---|
| Markdown | 4440779d6acafb8bc7dbcfe83faeedd50cee9d6ba9d60d1a416c079fbe4d94e0 |
| Publication page | bec7bc0ffa6fac07613c589a05524297ca8945ce8af57061dc14eb79d8b15eed |
| Manifest | 7ebc00a30e61b285a1c307980478996e924b73940fe1478f7f0dee7dc9d4c1fa |
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 | h0lyx9riPgB7rVJj2hbZFt8Rg0Wg+pvR3LP+IaR6DJXFMePMR86P5qEqrY8BM7OCQIwftAdP0XuLLHl3Ud3TCQ== |
| 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
| 2026-09-17T11:40:31.110516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028392observed bec7bc0ffa6fac07613c589a05524297...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:31.092205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028392/manifest.jsonobserved 7ebc00a30e61b285a1c307980478996e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.077586Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028392/publication.mdobserved 4440779d6acafb8bc7dbcfe83faeedd5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:31.061043Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028392/publication.txtobserved 6c112f68d07363133528126314cb7e3b...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. |
|---|