OT-2026-000004578
Publication integrity record
Bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, pressure verified at each zone
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-2026-000004578) never changes.
Identity and time
| Publication number | OT-2026-000004578 · never reused |
|---|---|
| Internal UUID | 01a0a91c-8cb0-7b1e-a8f5-2cab5775d1cb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:26:55.666716Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004578 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2b207b60a79c52fbb2d558577a93e1761fa1a6acaf6bcdd5dea321081fea9caf |
|---|---|
| Markdown | 599fdf521c3a122f698e4965cbd7dbd2574a9412ba4e811f16beed85fbe72afa |
| Publication page | 884d95f08e9c8ae7d7559d8122bcfb70463e547ec9db4f9af8b284e208469cc9 |
| Manifest | 3f3da0c07a7b58f10f6eabf38e3514cef0aeb80a3567bbf8c211d37de89e5224 |
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 | JS9JYQcJo0jX89zv+Ti7Kwx9kbJunU2s07zPP8EJRDVe1VUI4rFBTGpLdPMSC3yz8PPQ9fVaNmgBsdBZd70nDg== |
| 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
| 2026-09-16T07:30:12.918981Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004578observed 884d95f08e9c8ae7d7559d8122bcfb70...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:30:12.907124Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004578/manifest.jsonobserved 3f3da0c07a7b58f10f6eabf38e3514ce...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.893045Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004578/publication.mdobserved 599fdf521c3a122f698e4965cbd7dbd2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:30:12.879678Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004578/publication.txtobserved 2b207b60a79c52fbb2d558577a93e176...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. |
|---|