OT-2026-000049820
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-2026-000049820) never changes.
Identity and time
| Publication number | OT-2026-000049820 · never reused |
|---|---|
| Internal UUID | 01a0ae81-8ff0-777c-9fc7-3dffa4d9d067 · 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-2026-000049820 |
| Status | PUBLIC |
Content hashes
| Canonical text | c5a09a98bb02d08ca8e1792999dfb91b20b73cd72d5b67a0341be62f12d5a911 |
|---|---|
| Markdown | cc137ecc972b34ccbab8d681f3fbd51b5e2b81203560580c86253ce314360b71 |
| Publication page | f1c7a3684fe4901a4c0f68280b87ae2202e0d86f16bf1901781a673e15f48e77 |
| Manifest | 5a2e62f1ec9e64f05032cbe014f305d2faa113144468d9b219f0c695e1d50f32 |
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 | DC7cqAHqUMLV0iWf8eoZb+n8qDRKv+hzSSJe3YzOTAiCvRVOalquP3apKmJ7Ix97DFKnimHBfr5b6yy7GcgBAw== |
| 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
| 2026-09-17T11:02:57.126937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049820observed f1c7a3684fe4901a4c0f68280b87ae22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:02:57.106624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049820/manifest.jsonobserved 5a2e62f1ec9e64f05032cbe014f305d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:57.086833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049820/publication.mdobserved cc137ecc972b34ccbab8d681f3fbd51b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:02:57.067710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000049820/publication.txtobserved c5a09a98bb02d08ca8e1792999dfb91b...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. |
|---|