OT-2026-000003599
Publication integrity record
Vacuum cup gripper, three zone face, four 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-2026-000003599) never changes.
Identity and time
| Publication number | OT-2026-000003599 · never reused |
|---|---|
| Internal UUID | 01a0a90a-7e9b-7f0e-8c0e-83ddda716ee2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:07:12.414258Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003599 |
| Status | PUBLIC |
Content hashes
| Canonical text | f291107263513a78fa1155b0b8b5f806eeca13ba73b5081fffe270e52e5ef39e |
|---|---|
| Markdown | 69cdfd99e55fd674e065200184a901a3b2581288694410f6397bb07374effa57 |
| Publication page | 8721d8db1e06d03670f90559a33846bf187fb2d66a2900ebb5b5a1ec5a40eeec |
| Manifest | 8ddf4425d16d9bbc648dbf0fa5a20932c9f8e4382b884af9c429375e790109b1 |
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 | YLl+elZgKTIGvl8yu7XvPu28832+0qfKwpeOW5ysu7Hf3jrHTM4n52vOJEOFFjjyoq+C9Kud3N2zI98rIWHHDw== |
| 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
| 2026-09-16T08:40:35.417661Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003599observed 8721d8db1e06d03670f90559a33846bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:40:35.401363Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003599/manifest.jsonobserved 8ddf4425d16d9bbc648dbf0fa5a20932...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:35.385188Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003599/publication.mdobserved 69cdfd99e55fd674e065200184a901a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:40:35.253875Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003599/publication.txtobserved f291107263513a78fa1155b0b8b5f806...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. |
|---|