OT-2026-000049812
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000049812) never changes.
Identity and time
| Publication number | OT-2026-000049812 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8ff0-7739-b2ce-d5ffaa336392 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:35:21.728203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000049812 |
| Status | PUBLIC |
Content hashes
| Canonical text | c74364f624cae8cebf20750a93620098dec7eb45e654916c9b54baa3f7598631 |
|---|---|
| Markdown | b15ae9bc7af52c089d757d33ca5956ff918e642e8a13260c59cca93c90c34239 |
| Publication page | 744aca6547e7e19fb8084a800beb51b362b4c11309f04d2e0a5325aa86559648 |
| Manifest | 5a1fa7570d536b4e0ff195c50b2cb9111cb6d75fbe6883d1581a49a3d1d527e3 |
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 | Z039DNmTM4or9BbgHAnGjyavS0BwhFY7elp0OJG7cAHjHmd/xD0ALZwrJ4eTI5nasvmVMHr6cq2RtMgOhWLsBg== |
| 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
| 2026-09-17T11:02:56.441872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049812observed 744aca6547e7e19fb8084a800beb51b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:56.421692Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049812/manifest.jsonobserved 5a1fa7570d536b4e0ff195c50b2cb911...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:56.401070Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049812/publication.mdobserved b15ae9bc7af52c089d757d33ca5956ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:56.381691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049812/publication.txtobserved c74364f624cae8cebf20750a93620098...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. |
|---|