OT-2026-000007220
Publication integrity record
Four finger mechanical gripper, pump fed, stripped from the face, electric 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-2026-000007220) never changes.
Identity and time
| Publication number | OT-2026-000007220 · never reused |
|---|---|
| Internal UUID | 01a0a977-01da-71ba-a9b4-d23f762a0d5f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T09:05:43.901143Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000007220 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87bc4d2e61e2fec3ac052625619ca27cfa31e486f9a7caacf0eaae8b193a7095 |
|---|---|
| Markdown | be2a8c03f14e4c1f5384aa79ad21bbf8f07e501ac54d597bad5dbae43ccb320c |
| Publication page | b4e9ea4a447e321d4549d220d24e8f6e61a1c4673e8523e2d5290c5a155aabc0 |
| Manifest | 489380f17bf1337b98d57ae3f6483f672b0676607ba83a3fbdd808095a7ed29e |
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 | Q+UFNchVTLS8hgVFmroGctfOMb6x+2IFdSZiIgMSIM8AWSlAQ8mRwm3eyqkZj+b9DvycFd3sZN4q9pzuAy32DA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T09:07:03Z batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof root 2354c19da800f8df297acf3cddd64d4d... |
|---|
Independent retrieval
| 2026-09-16T09:10:14.649790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007220observed b4e9ea4a447e321d4549d220d24e8f6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T09:10:14.637885Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007220/manifest.jsonobserved 489380f17bf1337b98d57ae3f6483f67...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.499800Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007220/publication.mdobserved be2a8c03f14e4c1f5384aa79ad21bbf8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T09:10:14.487947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000007220/publication.txtobserved 87bc4d2e61e2fec3ac052625619ca27c...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. |
|---|