OT-2026-000028388
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-2026-000028388) never changes.
Identity and time
| Publication number | OT-2026-000028388 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f5-7b97-af73-7134c8671120 · 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-2026-000028388 |
| Status | PUBLIC |
Content hashes
| Canonical text | 45b881483abe8e5341737888d1f8ee7655063ed3e7e803038cab882c8349d20e |
|---|---|
| Markdown | aba8c97ebc70fae086e0eb249667097677b267191502f92f68223e83eda19644 |
| Publication page | ef4b4a2f4b4d9077c5aac7e12d1872859aff71c53de716d3e697b394e39f1000 |
| Manifest | fa45e5403eb38a674281a7c5103ac1e1dc76927f9fe188997d9968b9d9a62dd2 |
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 | CyhSv69u0aiz3CQkqA9/FkEf0JKZ24vAh7rwN+d6nmxE8czYiGrCAW+T1EeULlwfRcI1X/F21l5LOzzwUPV9Cw== |
| 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
| 2026-09-17T11:40:06.021286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028388observed ef4b4a2f4b4d9077c5aac7e12d187285...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:05.976955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028388/manifest.jsonobserved fa45e5403eb38a674281a7c5103ac1e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.959428Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028388/publication.mdobserved aba8c97ebc70fae086e0eb2496670976...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:05.911218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028388/publication.txtobserved 45b881483abe8e5341737888d1f8ee76...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. |
|---|