OT-2026-000004157
Publication integrity record
Bellows cup vacuum gripper, two zone face, per zone isolation, three stage ejector, pressure verified
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-2026-000004157) never changes.
Identity and time
| Publication number | OT-2026-000004157 · never reused |
|---|---|
| Internal UUID | 01a0a90f-a7bd-7f21-9082-8886a6ff8909 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:12:50.623889Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004157 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7dd59a7ea061f68f140e2addc9ca541967350ca8bed2ad5b44b08aa58bcd8dcc |
|---|---|
| Markdown | 2375e3a606e34af169e777e7d959858b1f828eee201022581390b85d877710d4 |
| Publication page | 348b4da5ab93fb93e9bfb230362ef9ce35497e99441ea059705814c1c8c1dba9 |
| Manifest | 5e021eb81f0c811cbb1e45af0e2a5fb32867ee9a161ab544386f0dfe85c93c5a |
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 | d5V/36vFFniwGArQif/lWwLZc/CFk0qzm6HrTMN8c4yISdxNOhJK9xDIKRCznvsHhsKyGuQ8IsnuquVO744ACw== |
| 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
| 2026-09-16T07:20:29.955056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004157observed 348b4da5ab93fb93e9bfb230362ef9ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:29.941042Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004157/manifest.jsonobserved 5e021eb81f0c811cbb1e45af0e2a5fb3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.926179Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004157/publication.mdobserved 2375e3a606e34af169e777e7d959858b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:29.913297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004157/publication.txtobserved 7dd59a7ea061f68f140e2addc9ca5419...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. |
|---|