OT-2026-000042174
Publication integrity record
Foam pad vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after set-down
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-2026-000042174) never changes.
Identity and time
| Publication number | OT-2026-000042174 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d72-741e-9d1b-ae4432283c4d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042174 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f6ffd844ec0bd52dfda2d68a812d05107f5b34f0a6ae323c1f23b981d86e833 |
|---|---|
| Markdown | e7476b89f2559f73417e2a1f1c624e6a6b632e7e1bbd6a1b0a619917f4176d9b |
| Publication page | 48695779b2f57b989489f2599c8a3e5727a032c2fedddd9d79d40654a9d9648c |
| Manifest | 106c2cb5847583b30b1e8e2a2cb087c7598bc1312e246446254b547a012706fd |
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 | aCPAYMNXB5HnenBQkOfYQFLEHYKYVPBxf8DShdoZdBwBCXdTNtZffIcd32b4aK9IjaisZ0M4yjxggGPZiTcSDQ== |
| 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
| 2026-09-17T11:15:49.778175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042174observed 48695779b2f57b989489f2599c8a3e57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:49.759915Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042174/manifest.jsonobserved 106c2cb5847583b30b1e8e2a2cb087c7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:49.740590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042174/publication.mdobserved e7476b89f2559f73417e2a1f1c624e6a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:49.720803Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042174/publication.txtobserved 4f6ffd844ec0bd52dfda2d68a812d051...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. |
|---|