OT-2026-000004172
Publication integrity record
Porous face vacuum gripper, three outlet manifold, 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-2026-000004172) never changes.
Identity and time
| Publication number | OT-2026-000004172 · never reused |
|---|---|
| Internal UUID | 01a0a90f-e946-727d-ae6a-e7e549566118 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:07.401133Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004172 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7582038c9bb1f73978ba2ef8d873335ccc92ea7366a6c942ea459f2b132dc2e3 |
|---|---|
| Markdown | 7d9fa468c76eede08162bd6997849e5a5598cddf5a26f4e9199380eb8b1afa0a |
| Publication page | 4a3cdf7a761bf21cd3fe1e6707ecf33f8f15ea6af73c01fb07ab108c946be7a2 |
| Manifest | 17f6de7e081d51187665b29ec25071aacc6148986d724c8f303d84d250328179 |
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 | 92WBpQ8RpWzE5QKr7hk911A5QkyFlJ9scorVUP+0XCChFDk3cBy8sLWuPg2Okosp5sQy/gu/9XOGW+4NzFHLAg== |
| 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
| 2026-09-16T07:20:28.221674Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004172observed 4a3cdf7a761bf21cd3fe1e6707ecf33f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:28.207070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004172/manifest.jsonobserved 17f6de7e081d51187665b29ec25071aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.191656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004172/publication.mdobserved 7d9fa468c76eede08162bd6997849e5a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:28.173046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004172/publication.txtobserved 7582038c9bb1f73978ba2ef8d873335c...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. |
|---|