OT-2026-000003520
Publication integrity record
Mechanical with 3 gripper fingers on a tool-change interface for job changeover
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-2026-000003520) never changes.
Identity and time
| Publication number | OT-2026-000003520 · never reused |
|---|---|
| Internal UUID | 01a0a907-49f3-7f6e-adca-1f0bf18b92b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:03:42.325570Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3fc3f2aaa68e37526a08025c957db882f39c7cf51d344b272600c9e5504f0ba5 |
|---|---|
| Markdown | 37bd6b80de9ba85045023c43013e5057c43eff6392190240cef4cc9133226fe9 |
| Publication page | 7beedf90e6415002170a200558243a01794db746dd8eceb0918555ce2667d24b |
| Manifest | 5824c9dc97fae9cacc279bb9a73464a7477f7dd8a6fe7121b30fe6f9b7f7afae |
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 | bhpO0KDHESXBiDU3ALvtlk8UODCMldyW4TEAOZCzvDBAg5AbnwmF1yeuJ5goOuzDXJzLQhS+DpIiT8D0FJZmAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:07:02Z batch OT-TS-2026-W38-008 · RFC 3161 token · inclusion proof root e9da7eb1c397f1749e5915c5a39dbbcf... |
|---|
Independent retrieval
| 2026-09-16T08:50:36.191647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003520observed 7beedf90e6415002170a200558243a01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:50:36.178646Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003520/manifest.jsonobserved 5824c9dc97fae9cacc279bb9a73464a7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:36.159044Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003520/publication.mdobserved 37bd6b80de9ba85045023c43013e5057...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:50:35.998350Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003520/publication.txtobserved 3fc3f2aaa68e37526a08025c957db882...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. |
|---|