OT-2026-000005164
Publication integrity record
Bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum 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-2026-000005164) never changes.
Identity and time
| Publication number | OT-2026-000005164 · never reused |
|---|---|
| Internal UUID | 01a0a92f-f0ba-77db-9045-7c3783366c75 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:48:06.462071Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000005164 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ffca04d5df6ef9ac0cb66fb8e655abd307a8eaf1b0190d853d7d6af73f19b5f |
|---|---|
| Markdown | 6bf5f816a15bebd19fc0999308cc428f5e88933057ab0d51eb0ed7233c2eea9a |
| Publication page | 24c3d3be3ad5dd4d9cd60721b5351fc4c4def050aaa765e3b443eb8e92b4da78 |
| Manifest | 276c201fcdce0d6053226f0c01a95c553dafb367b25f1603b435803419901eab |
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 | yJzWCXJsVWRBIQvPuDHuhYAGIsNjMhlVYIQOOx3V8qJOaTn+EkjN0AyHvwVKcFrz1g11olTv6PLfH7/5K3dxCg== |
| 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
| 2026-09-16T07:50:08.423908Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005164observed 24c3d3be3ad5dd4d9cd60721b5351fc4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:50:08.411454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005164/manifest.jsonobserved 276c201fcdce0d6053226f0c01a95c55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:08.399015Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005164/publication.mdobserved 6bf5f816a15bebd19fc0999308cc428f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:50:08.386526Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000005164/publication.txtobserved 4ffca04d5df6ef9ac0cb66fb8e655abd...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. |
|---|