OT-2026-000004223
Publication integrity record
Vacuum cup gripper, three zone face, three outlet manifold, pump 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-2026-000004223) never changes.
Identity and time
| Publication number | OT-2026-000004223 · never reused |
|---|---|
| Internal UUID | 01a0a911-b9c8-7bc7-b7ed-011f864eb7f3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:15:06.315799Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004223 |
| Status | PUBLIC |
Content hashes
| Canonical text | b93775f9148d9ca52fdda295abb67f01034500f12b5bd5386495004c904a3b34 |
|---|---|
| Markdown | ad36200a588b06745ab52ca578ca0643c006ad5084a347abfbd024bdcfb613fa |
| Publication page | a06b9932136f98f788780d2d29e597e13abe6cd128fb1c0ae49d5c2dba95985c |
| Manifest | 4280816174ed07680a8d5e9d3b4d54c7558cfbd2c2349382a5ce8bec7c226b1a |
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 | yeKJvH+KWJsg19tXYjTy+Gdm0DqhYjTChbSEGL6kax8mF/NuLSjxT3grKSKn6Pq7cYSoctwXZxGPst3PJ6SQCw== |
| 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
| 2026-09-16T07:20:22.191992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004223observed a06b9932136f98f788780d2d29e597e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:20:22.178500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004223/manifest.jsonobserved 4280816174ed07680a8d5e9d3b4d54c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.165628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004223/publication.mdobserved ad36200a588b06745ab52ca578ca0643...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:20:22.148917Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004223/publication.txtobserved b93775f9148d9ca52fdda295abb67f01...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. |
|---|