OT-2026-000005521
Publication integrity record
Porous face vacuum gripper, two zone face, ejector fed, vented before set down, closed cell
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-2026-000005521) never changes.
Identity and time
| Publication number | OT-2026-000005521 · never reused |
|---|---|
| Internal UUID | 01a0a93b-c7fc-710c-97a2-59cf64c913be · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:01:02.464233Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005521 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6699539f1d926c63a4735d9bfb815e4ec8641cd81663b54854a9115a760fd802 |
|---|---|
| Markdown | b6b9c61bd08ef92154c987eb91c466ed4029908d368ad0a32c8d53a3f9cec06e |
| Publication page | 4f9410dd21753e9ab6a4983f189a20bfbd3e3ca8738ebcb260d595ecb32f357d |
| Manifest | e81af211bf3e40b52a985691526350e28ff96cf1dc803d02e0f465f967f0f661 |
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 | tVU+rSZtpbA3z88fauRdyf0f7i7gzA+vAvmh/4R/+GceZvq8cG9wqDeuSDbHYfgNz/WrMGHw4QNbf7+K6/rWBw== |
| 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
| 2026-09-16T08:10:30.941307Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005521observed 4f9410dd21753e9ab6a4983f189a20bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:10:30.928254Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005521/manifest.jsonobserved e81af211bf3e40b52a985691526350e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:30.914890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005521/publication.mdobserved b6b9c61bd08ef92154c987eb91c466ed...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:10:30.900445Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005521/publication.txtobserved 6699539f1d926c63a4735d9bfb815e4e...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. |
|---|