OT-2026-000011717
Publication integrity record
Four finger pneumatic gripper, 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-2026-000011717) never changes.
Identity and time
| Publication number | OT-2026-000011717 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1940-7771-a784-ba0596b998ac · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011717 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2167692f4fae3e8243f8f5ff2c52afca9d0e6c6ef5858cbb10bd54fb44245152 |
|---|---|
| Markdown | e7f877943900716373f2b28643aa1a65e887325c2b3579f76043f382b3dd3a82 |
| Publication page | 120de25bc2c634133a41b994284329cc050cff0ac60bf544b6e06a34906b73ab |
| Manifest | c619f53589ed6fd647dd11b939c5f03b1e2c434188dbb87ba8bbf583ea187186 |
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 | Azw0wKpNk0nXe8RoTd6PuKxTMqAr8slA8Mr2G8GlIl6E73Bk9rF596+gGSMxPyun7cvAGReXw9ZonOl3MPEiAA== |
| 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
| 2026-09-17T12:12:19.782993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011717observed 120de25bc2c634133a41b994284329cc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:19.764943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011717/manifest.jsonobserved c619f53589ed6fd647dd11b939c5f03b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:19.747323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011717/publication.mdobserved e7f877943900716373f2b28643aa1a65...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:19.730099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011717/publication.txtobserved 2167692f4fae3e8243f8f5ff2c52afca...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. |
|---|