OT-2026-000004080
Publication integrity record
Vacuum cup gripper, four zone face, two outlet manifold, pump fed, pressure verified, 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-2026-000004080) never changes.
Identity and time
| Publication number | OT-2026-000004080 · never reused |
|---|---|
| Internal UUID | 01a0a90e-6011-70e9-9689-acda64c00719 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:11:26.740104Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004080 |
| Status | PUBLIC |
Content hashes
| Canonical text | b9a00244ced6b8eae43bcf851ec8add0c8a55f4674f3f65e2ccb6855d26bc0d6 |
|---|---|
| Markdown | 021f607b25fca82d0dd4cc4594726724c99ce4b99b9fb6dba732c613d58f1c22 |
| Publication page | e06c7bfcd179ffb083f2131a63ce7b3136b8dd9f5f7bf033911f208c0d0f6c73 |
| Manifest | 8e7e87acf9e8ece1f9a691bfddd4a34eb8a16cb850aaffe46f351be73ad72fb1 |
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 | /JnTJxpe3gV084KIVi+nQH3F17S3viZQHdvaUfvf7dNhhaabCiUqaFPtwV8xguzXejr50zqVym3ul2O5vC0KAA== |
| 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
| 2026-09-16T07:30:34.452964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004080observed e06c7bfcd179ffb083f2131a63ce7b31...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:34.398101Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004080/manifest.jsonobserved 8e7e87acf9e8ece1f9a691bfddd4a34e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:34.384949Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004080/publication.mdobserved 021f607b25fca82d0dd4cc4594726724...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:34.370397Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004080/publication.txtobserved b9a00244ced6b8eae43bcf851ec8add0...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. |
|---|