OT-2026-000091570
Publication integrity record
Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000091570) never changes.
Identity and time
| Publication number | OT-2026-000091570 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-f16e-703d-afff-49d8b8f2b4a2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:16.158740Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091570 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4f40b34cb8a54ed6ee691b71288d301d2825c5f3c2af862672a4bf5a7cc14ab8 |
|---|---|
| Markdown | c4b6aad1024f8c4dad8dd979a4f1390fd2d049c1109bba1d935a6793ec8ecd61 |
| Publication page | cdf5c70a6c089edd6357953d640d388d46f35db09ada85a61c92c5d334603ad4 |
| Manifest | 253578cba0da14e8e9e8c425f03d4e2d7fc2a5c96bec3984797fb98c89dbd0d8 |
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 | f5jyXIFW3Whm8Y9OKY6OY1QaxX5UZe35u74iYdqTQdLVfyaLy5KAQZj9u7JQ7ReZt2kRTqEXI9UxN9PEIHJsAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:43:50.478112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091570observed cdf5c70a6c089edd6357953d640d388d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:43:50.459860Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091570/manifest.jsonobserved 253578cba0da14e8e9e8c425f03d4e2d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:50.443804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091570/publication.mdobserved c4b6aad1024f8c4dad8dd979a4f1390f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:43:50.425998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091570/publication.txtobserved 4f40b34cb8a54ed6ee691b71288d301d...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. |
|---|