OT-2026-000005621
Publication integrity record
Vacuum cup gripper, two zone face, six outlet manifold, pump fed, 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-2026-000005621) never changes.
Identity and time
| Publication number | OT-2026-000005621 · never reused |
|---|---|
| Internal UUID | 01a0a93f-465b-7df7-84b5-9c268f9a46c4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:04:51.421936Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005621 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5c259671ce56758921bec3f4857e50a17ee477c7e60d125cf20e1e0f3eb17177 |
|---|---|
| Markdown | c5cb0933c2027bd20c137d3d700008184315517e73aa7900e326a09ff3594786 |
| Publication page | cb127478791960773a7e04d5ca31fb70a49f03854da0d5716449f050dcae605a |
| Manifest | c981ad7e861b5a89464a08a67272e9a80144917a5f5057f4684b51d061b0e08d |
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 | kETQicU0fUS80b6NxUxqvWnOyy6hLHur5s53ZyJmgfmA1wifrnywis0Patm4E9jl1vPcG7k0bZtowDdHCbHtCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:07:02Z batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof root 8f13af7374aef42943b7bbe6a279c57a... |
|---|
Independent retrieval
| 2026-09-16T08:10:19.872881Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005621observed cb127478791960773a7e04d5ca31fb70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:19.733985Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005621/manifest.jsonobserved c981ad7e861b5a89464a08a67272e9a8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:19.719378Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005621/publication.mdobserved c5cb0933c2027bd20c137d3d70000818...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:19.705847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005621/publication.txtobserved 5c259671ce56758921bec3f4857e50a1...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. |
|---|