OT-2026-000003646
Publication integrity record
Three finger mechanical gripper, contact triggered on the face, pneumatic drive
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-2026-000003646) never changes.
Identity and time
| Publication number | OT-2026-000003646 · never reused |
|---|---|
| Internal UUID | 01a0a90a-a0ed-7302-8596-5c35904adce8 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:21.199942Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003646 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9df69f53a135b9791220d157836657614698f9d2556eba5525f746cf252107bc |
|---|---|
| Markdown | ad549f3e87366724f5d9772c4e9195c961c67bba2329d3b961842bb9fc95a9fc |
| Publication page | 470514efcfce9fe36f69cf8df73a9981f961aeaf1a5754409f6193117eca2013 |
| Manifest | ed6c5d7fca602bc84be7c183ba1c433b93da069153540e25d346f749a505cece |
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 | 91fA1ieqNl1muFhbp0/HsgF1GrIF4KdjPlPX0oh3ieyVDbH50Cf2kGW/HF2juUTggmn3g7W75Wu45bo+l9mJAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:27:02Z batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof root aada101caea153fd76622afa3661a5b8... |
|---|
Independent retrieval
| 2026-09-16T08:20:38.624158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003646observed 470514efcfce9fe36f69cf8df73a9981...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:38.486178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003646/manifest.jsonobserved ed6c5d7fca602bc84be7c183ba1c433b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:38.469375Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003646/publication.mdobserved ad549f3e87366724f5d9772c4e9195c9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:38.433739Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003646/publication.txtobserved 9df69f53a135b9791220d15783665761...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. |
|---|