OT-2026-000021898
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, two stage ejector, sustained 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-2026-000021898) never changes.
Identity and time
| Publication number | OT-2026-000021898 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7d66-896a-5cd42e4adc12 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021898 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7b411ad037466bc8742f63dd052e424ca5c241ffd412d051f1fe4e274ce78d04 |
|---|---|
| Markdown | 66446f9a7f78237232a16f8af10f0c489ee737fa0f46b3764f3e8b98e8aadc3b |
| Publication page | f1da5da775906f0a411008610868429fa2d8c7344c1f2b4e0ca2b7a44b81942e |
| Manifest | 7179b33004263d27861cd261ec9d6bb98387c9f174d7ce1bbb8a2cf9ea2c1629 |
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 | QXW8q4l6gbdtU9D4f26uA9+BRwzRXwd6Njve6Kf99ykeQWcnNffpyZfjpr99TsCejOgsS/TUDO/K0J3F1kBcAQ== |
| 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
| 2026-09-17T11:54:28.042026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021898observed f1da5da775906f0a411008610868429f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:28.022913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021898/manifest.jsonobserved 7179b33004263d27861cd261ec9d6bb9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:28.006779Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021898/publication.mdobserved 66446f9a7f78237232a16f8af10f0c48...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:27.990690Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021898/publication.txtobserved 7b411ad037466bc8742f63dd052e424c...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. |
|---|