OT-2026-000028480
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off before set-down
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-2026-000028480) never changes.
Identity and time
| Publication number | OT-2026-000028480 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f7-7574-8f00-2ef5e2dcab6e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028480 |
| Status | PUBLIC |
Content hashes
| Canonical text | f5032ae1034a3a09fc9003085b1851b8909718bac97925a877e920f2517b7fc8 |
|---|---|
| Markdown | bfe14657ac6e98f9f956eb8e0cae176a7e1bd96cfbe49b3b61377076d894af40 |
| Publication page | 4254ef27a5e250eae495339554bf0eb1dc3ac7a3cacb08683c73fb8c849460ed |
| Manifest | 2159878f50343baed6a8aef8d2a9fa72bf41140fe95f388addea9f5bb942ae2a |
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 | pj31/dW4w0MlihENX2eAakwG8OBt1WB+ykaHYfORtLG7tOUwBug/JvFO7Xkyg2ppoKMQVqsK/kOFYNo3Z7lKAg== |
| 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
| 2026-09-17T11:40:37.739884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028480observed 4254ef27a5e250eae495339554bf0eb1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:37.716235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028480/manifest.jsonobserved 2159878f50343baed6a8aef8d2a9fa72...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.689855Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028480/publication.mdobserved bfe14657ac6e98f9f956eb8e0cae176a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:37.667209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028480/publication.txtobserved f5032ae1034a3a09fc9003085b1851b8...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. |
|---|