OT-2026-000004534
Publication integrity record
Porous face vacuum gripper, three zone face, three outlet manifold, plant vacuum 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-2026-000004534) never changes.
Identity and time
| Publication number | OT-2026-000004534 · never reused |
|---|---|
| Internal UUID | 01a0a91b-294e-7c77-8815-dc64403b371b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:25:24.689143Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004534 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8a1567576ca1cc8ea5e3120c550f48c25530686f51d531a24c36d329579b11f3 |
|---|---|
| Markdown | fe7a182ed7a13fcf59a1ce392159162ee03bac27d8651162442b9729d49321f9 |
| Publication page | b2baf59b6676d570e0df6a4416ce71c10ee04e3f850ce3e55b92a0dd4a3f0709 |
| Manifest | 011c8233588ed7ec007369b0b35abc08a39e08ce2b8a344e4579aa1f66941df7 |
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 | N93xYLw5pS4R9MvGsbx5xl+Hw8RvkPaDY1ncpQH8dNqMpdkhMtrmh6Gf9XP/Eosyeslnr89VZC4DnDC8GJb9BQ== |
| 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
| 2026-09-16T07:30:17.428745Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004534observed b2baf59b6676d570e0df6a4416ce71c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:17.416698Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004534/manifest.jsonobserved 011c8233588ed7ec007369b0b35abc08...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:17.404516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004534/publication.mdobserved fe7a182ed7a13fcf59a1ce392159162e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:17.393236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004534/publication.txtobserved 8a1567576ca1cc8ea5e3120c550f48c2...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. |
|---|