OT-2026-000042428
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000042428) never changes.
Identity and time
| Publication number | OT-2026-000042428 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d75-76d2-90d9-f61f97653377 · 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-2026-000042428 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2655500fda675e4a9655fe5c66e09b0b235e947712e9a7c79d182478220471e2 |
|---|---|
| Markdown | 80d884f9156b261a80aa371a5ab2ee3d4ffe770d913bf1076517689d6ac88fd1 |
| Publication page | cb535078d9b52822bafbc7c6b9260c29e270b5c92dfc43c8698050f76906c710 |
| Manifest | e6f72908d0399a4d90b6557bcd0a2a8b2e3814bfbbce207e0bce8bfb0b4a2c86 |
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 | Bp3OtmohfDch21J0oG32g7V+nyAAKNsWjAwMsy0vP9K8uTDlAyU5r6volhRtJ6o6NbhlhAIQJji1kTDY7CEJAA== |
| 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
| 2026-09-17T11:16:13.719547Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042428observed cb535078d9b52822bafbc7c6b9260c29...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:16:13.699649Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042428/manifest.jsonobserved e6f72908d0399a4d90b6557bcd0a2a8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:13.681947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042428/publication.mdobserved 80d884f9156b261a80aa371a5ab2ee3d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:16:13.664505Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042428/publication.txtobserved 2655500fda675e4a9655fe5c66e09b0b...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. |
|---|