OT-2026-000052377
Publication integrity record
Single cup vacuum gripper, pump fed, vented 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-2026-000052377) never changes.
Identity and time
| Publication number | OT-2026-000052377 · never reused |
|---|---|
| Internal UUID | 01a0ae83-e792-7ad6-8b2b-c04f8ef4e813 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:37:55.233643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052377 |
| Status | PUBLIC |
Content hashes
| Canonical text | a2b11aed939422b8c7acd7582ee5984ebf237bee45a55c39cf25a7da0d4504f1 |
|---|---|
| Markdown | cf7f13512306abb9782852492145d2be7fa115481075183dec55eea25c0e2b7a |
| Publication page | f7f0c5bb0efe0b5df798217d782318d7467a6e6dd803641ced7ea62b5acd76a7 |
| Manifest | 4be2fa10b595b54ff2d4a4fed0117a40d97be9617e8cc1e95b0c189572a55759 |
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 | XZU5HmsadPUM5+UBrZ4urQCgUnXNK2ePnLMX1FR15LLdqyamQKNlaWf9UcISEgy5Uk+PnE1jDN7FsZ5AKb4fDA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:58:04.773132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052377observed f7f0c5bb0efe0b5df798217d782318d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:58:04.750975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052377/manifest.jsonobserved 4be2fa10b595b54ff2d4a4fed0117a40...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:04.734191Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052377/publication.mdobserved cf7f13512306abb9782852492145d2be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:58:04.712770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052377/publication.txtobserved a2b11aed939422b8c7acd7582ee5984e...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. |
|---|