OT-2026-000055175
Publication integrity record
Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000055175) never changes.
Identity and time
| Publication number | OT-2026-000055175 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e82-77a9-a522-2ca76e7d718e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055175 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8c19a48e187b4ca47b66278b54dde6ccbbb23dcaeebe37b8a5baf3fc1206d782 |
|---|---|
| Markdown | e3c4d03d94830ce508172c14fae7b641590aadc101acdb1f453f677d9b068990 |
| Publication page | f75b4fddf1600e4022ebb0da91506860ee5f57b71bbf1f0f590b7c65e3b5ad3f |
| Manifest | 334f79a3342ebd85f3e4c0a5105146ef15e21a4398f66b132eaf2eae277cc097 |
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 | 6HV23BqJOk0XEMlG7DPD43GbROm1cRsKcD5Vj/Ynuy6e/Zj8e5RxkbOJPIx8pR4zwE44ygbyj3e635hWniySAg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:53:21.921997Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055175observed f75b4fddf1600e4022ebb0da91506860...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:21.904821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055175/manifest.jsonobserved 334f79a3342ebd85f3e4c0a5105146ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:21.886367Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055175/publication.mdobserved e3c4d03d94830ce508172c14fae7b641...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:21.867233Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055175/publication.txtobserved 8c19a48e187b4ca47b66278b54dde6cc...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. |
|---|