OT-2026-000004175
Publication integrity record
Vacuum cup gripper, three zone face, three outlet manifold, plant vacuum fed, contact triggered
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-2026-000004175) never changes.
Identity and time
| Publication number | OT-2026-000004175 · never reused |
|---|---|
| Internal UUID | 01a0a90f-febf-7154-ab01-2934483c3480 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:13:12.898782Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004175 |
| Status | PUBLIC |
Content hashes
| Canonical text | 31a247b5631bb2751d8982e2f7cc212303fb16cac299716756e6566fdca0a9ca |
|---|---|
| Markdown | 1675839a0d3584f001873b35be01bc506a9fa05e452abe171d50af8e36a26e31 |
| Publication page | 2533a4f8fa0302a739429c5efc80bf62541462bcfaa6f6d3427cfed7fe8f3dfa |
| Manifest | 0ca0a262ec0ccebc37f940bf40e902d5a87ceb50c25f357d4487ac238220ceb2 |
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 | 8FgWxGe5PWdWusDo1jtGLrS/lvCqtUSF8r88hEow68+EbYWITJfTo5OqyeuqcbOe3Zq6G0M4khSlDwiK3tOcDw== |
| 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
| 2026-09-16T07:20:27.900201Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004175observed 2533a4f8fa0302a739429c5efc80bf62...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:27.885930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004175/manifest.jsonobserved 0ca0a262ec0ccebc37f940bf40e902d5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.871835Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004175/publication.mdobserved 1675839a0d3584f001873b35be01bc50...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:27.740025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004175/publication.txtobserved 31a247b5631bb2751d8982e2f7cc2123...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. |
|---|