OT-2026-000007828
Publication integrity record
Two 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-2026-000007828) never changes.
Identity and time
| Publication number | OT-2026-000007828 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-908a-7211-af49-16b9e9fb80e8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:14.564317Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007828 |
| Status | PUBLIC |
Content hashes
| Canonical text | 378b93893b1dab1d237003ff7161972e38997e731022d6b833f629c066ec94a0 |
|---|---|
| Markdown | cf72eaac71683985b335466b0fa052f8ed281f515b7a9203affde1b8d616edfe |
| Publication page | 564fa5a4be46f0b9ea2c81d92ce953b04a70f0e8769a014e593f13040d29596d |
| Manifest | e39fea736658556df7b614fe48577bacd191fad8a7b9d646649fe23e71bfd6f2 |
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 | 5i27n9maSzCJQ380rb6Dl1N8VzuKmbMltK6/Nyrv8jrcnZFTzmL9B/BCXqp0MJ8YEiAYtiAsMGCKPPofM9IPAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:20:16.708085Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828observed 564fa5a4be46f0b9ea2c81d92ce953b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:20:16.689318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828/manifest.jsonobserved e39fea736658556df7b614fe48577bac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:16.671941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828/publication.mdobserved cf72eaac71683985b335466b0fa052f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:20:16.653454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828/publication.txtobserved 378b93893b1dab1d237003ff7161972e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:49.814080Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828observed 564fa5a4be46f0b9ea2c81d92ce953b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:49.791753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828/manifest.jsonobserved e39fea736658556df7b614fe48577bac...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:49.770113Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828/publication.mdobserved cf72eaac71683985b335466b0fa052f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:19:49.751758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007828/publication.txtobserved 378b93893b1dab1d237003ff7161972e...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. |
|---|