OT-2026-000071502
Publication integrity record
Single bellows 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-2026-000071502) never changes.
Identity and time
| Publication number | OT-2026-000071502 · never reused |
|---|---|
| Internal UUID | 01a0ae91-e0ee-7985-8c57-63d32c3e507c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:11.039722Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000071502 |
| Status | PUBLIC |
Content hashes
| Canonical text | f527f049531546d567389c266f1029b7ffb89292880be87f345dc76a86df953a |
|---|---|
| Markdown | b486f879930447defe3687533c1bea5bc4c0be45fda1a281d9ae2ecf0bf6a4c9 |
| Publication page | 5bce28c938f23afa28a2f54f3e52e4fa26c31d6bbf51c822e098501f965abe5d |
| Manifest | 75fdda215b492a88528270c03f4eaba0c910e4ee92146f81f9bad3551b1d7881 |
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 | cRHS3zWv215PhjrGaKbzFXIxvf3r6vcuGO19d0Y1siefQFgI5HCfY0AN5QYAJ0iShmC9m9iMOpQ+GvAj9H4vAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:24:55.410652Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071502observed 5bce28c938f23afa28a2f54f3e52e4fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:24:55.392052Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071502/manifest.jsonobserved 75fdda215b492a88528270c03f4eaba0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:24:55.373439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071502/publication.mdobserved b486f879930447defe3687533c1bea5b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:24:55.352849Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000071502/publication.txtobserved f527f049531546d567389c266f1029b7...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. |
|---|