OT-2026-000020280
Publication integrity record
Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, pulsed 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-2026-000020280) never changes.
Identity and time
| Publication number | OT-2026-000020280 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-788c-9061-e7c45266cfc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020280 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1f57cab5b2a8746ff76a97ccc3cfe8cf00ca0e231225f7345dcfe766b156a180 |
|---|---|
| Markdown | 57911c055e54c9c581211bae08219028d1034e8e6cdaa82e34cc7a99dcf09c5f |
| Publication page | e2ba7c5685c5a440ade0995d8e1c59b45bf9f21cbf4b90e92e288261d3278072 |
| Manifest | cdc18c557aa2ab6ee9b71fe3f93baf6c627e52554cb92ee8d62d6bf0047ac6c8 |
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 | tQMCI5moI1l19C+1BuUiPZWfQrpCZjnkREHeJkm1WZh67wNtQc0CZDKeLPf2R+eIifDVqrqqu//2ZTYgFG3+CA== |
| 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
| 2026-09-17T11:56:37.950066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020280observed e2ba7c5685c5a440ade0995d8e1c59b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:37.932789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020280/manifest.jsonobserved cdc18c557aa2ab6ee9b71fe3f93baf6c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.913748Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020280/publication.mdobserved 57911c055e54c9c581211bae08219028...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:37.895718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020280/publication.txtobserved 1f57cab5b2a8746ff76a97ccc3cfe8cf...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. |
|---|