OT-2026-000020109
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer
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-2026-000020109) never changes.
Identity and time
| Publication number | OT-2026-000020109 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-4378-79f7-8823-245a8a719061 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020109 |
| Status | PUBLIC |
Content hashes
| Canonical text | f615c02931beed5466eda3b0e9ee300e5fba7540157f0c2e0483eb4d9794a3a9 |
|---|---|
| Markdown | 9c2a9871df05e265427f91794f598555b71dcd8858f269778e0d2e06f5896219 |
| Publication page | bc2101e6a2d5b4a6b4428f07f2e8a40b59893554e68e84c3a36a4a6f830436fa |
| Manifest | fffd68ccec70305a5a2d11898e6b32f8b8fb9f2de3744a78f0ae64570e0c2ba0 |
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 | 9wK0XmamtaIKo75Vq0/VGkMEbXrYF3f9HnLSO+6N1sTn69kJiJh49RirzJTea4MDltv0b2Dhw4VKXcDam0PuBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:56:24.440638Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020109observed bc2101e6a2d5b4a6b4428f07f2e8a40b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:24.423187Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020109/manifest.jsonobserved fffd68ccec70305a5a2d11898e6b32f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:24.404813Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020109/publication.mdobserved 9c2a9871df05e265427f91794f598555...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:24.385572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020109/publication.txtobserved f615c02931beed5466eda3b0e9ee300e...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. |
|---|