OT-2026-000004041
Publication integrity record
Porous face vacuum gripper, three zone face, two outlet manifold, pump fed
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-2026-000004041) never changes.
Identity and time
| Publication number | OT-2026-000004041 · never reused |
|---|---|
| Internal UUID | 01a0a90d-18fc-7317-9ca7-a5a1cf135b7b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:10:03.009648Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004041 |
| Status | PUBLIC |
Content hashes
| Canonical text | d564c8aac65af8cf55861b137dc9bdf6baf00a695cc7d4f97d569c5542660617 |
|---|---|
| Markdown | c9842aa2e867520d854ca3c07ae84f01abcc90c7261b2075922e9c6f1306e7fb |
| Publication page | 153223831d46082e505f0092714589f2d1bd42865b6d3825532cbe98d6ad6a37 |
| Manifest | c4e9f654a802590a7765b2b3deca8839efd5dd757705d830e64a987bcd16d06b |
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 | tTP05KVoaF0K+E6FTOUQ9HKH4lmDui+cZLj9Pdh6t49NtHDtYj0jwtx6Pua5NGQmI6goym4T0Z+ogqrmXa2gAQ== |
| 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
| 2026-09-16T07:50:32.870974Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004041observed 153223831d46082e505f0092714589f2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:32.725192Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004041/manifest.jsonobserved c4e9f654a802590a7765b2b3deca8839...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:32.712401Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004041/publication.mdobserved c9842aa2e867520d854ca3c07ae84f01...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:32.698425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004041/publication.txtobserved d564c8aac65af8cf55861b137dc9bdf6...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. |
|---|