OT-2026-000012431
Publication integrity record
Three cup vacuum gripper, three zone face, pump fed, pulsed 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-2026-000012431) never changes.
Identity and time
| Publication number | OT-2026-000012431 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f6-7854-8437-038e25f2b4bd · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012431 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7f9e0cd23fd7e34ed0859beb633642da48e21e3120cb9166b7dc9028a787fef3 |
|---|---|
| Markdown | e88f511e1688dc51c74461cea456fb8cd1d18730c4deb5bafb8709ef8cb4d270 |
| Publication page | 1940aad67b69dd29eb712a01690b61ed0d3f0ad49522b3603ce5801b98f1e0c0 |
| Manifest | aefc1a3c325da226f9b3b0a544761515da884ac048a1b83b8b9fdf3b75b3891b |
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 | Xm15HQDnqyO2hQyEBdHf1zoZK/VW7V3AVgMTgkM9XgevK/UfSJwTty1TVji0321grbT7QkGW/E8JEKE41AB2Bg== |
| 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
| 2026-09-17T12:11:55.810047Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012431observed 1940aad67b69dd29eb712a01690b61ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:11:55.787274Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012431/manifest.jsonobserved aefc1a3c325da226f9b3b0a544761515...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:55.767587Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012431/publication.mdobserved e88f511e1688dc51c74461cea456fb8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:11:55.747015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012431/publication.txtobserved 7f9e0cd23fd7e34ed0859beb633642da...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. |
|---|