OT-2026-000021819
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, 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-2026-000021819) never changes.
Identity and time
| Publication number | OT-2026-000021819 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-79f3-97c7-4a70cb885fe6 · 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-2026-000021819 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6b5664ee98fe705f01e7ffc882791bf2b4437f6ee134173a1f1c234c97fbcbf1 |
|---|---|
| Markdown | e963063cef6cf9b13d236295ac38817267b205b9f2e315b203adb794a2000e2e |
| Publication page | 3f7b1955dc7d8dad85d06655f65de77a91373413d10e4d8940c64f77e8c7f086 |
| Manifest | 3d974a292e7dccc4e14368b50b9aaf2ebd66019a9a0075633d9c8c6bbdccc058 |
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 | Lkq/IOFzjS8n0ktwkGxFYd/Ohq4giyV3XeyXOZH2MuK0qd+HZezBTnOENsio0ngEqlQt2eowfrGUxUa84aiqCQ== |
| 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
| 2026-09-17T11:54:22.436252Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021819observed 3f7b1955dc7d8dad85d06655f65de77a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:22.420755Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021819/manifest.jsonobserved 3d974a292e7dccc4e14368b50b9aaf2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.401943Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021819/publication.mdobserved e963063cef6cf9b13d236295ac388172...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:22.384016Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021819/publication.txtobserved 6b5664ee98fe705f01e7ffc882791bf2...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. |
|---|