OT-2026-000011980
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000011980) never changes.
Identity and time
| Publication number | OT-2026-000011980 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1942-7148-9d9f-505f31724fc1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 1ad987e3bc49f4b4593995877735796461be44fc5cba6c7b6a65a153cd5365f0 |
|---|---|
| Markdown | a3b87244df638a5775bc346f09768b243254c125060de92a100e428bbd80b8d6 |
| Publication page | a60ed4074068e30c21abf6a882858e19b72093e46c4392bf88ee4d1f6af6a48d |
| Manifest | 9d6c74dd61fec39d92656e4e5620aa1409dcccd9f1b86f90274c74eb0d790401 |
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 | 2c81PE81eyHn602bKUDH4MyAk9yxcL6A3HbKLcvZ1A5FX+QdTcBUzuO6MY0WEwIb3qhhHPl1rud5n07CJzjmBw== |
| 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
| 2026-09-17T12:12:50.303936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011980observed a60ed4074068e30c21abf6a882858e19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:50.283581Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011980/manifest.jsonobserved 9d6c74dd61fec39d92656e4e5620aa14...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.265305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011980/publication.mdobserved a3b87244df638a5775bc346f09768b24...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.245926Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011980/publication.txtobserved 1ad987e3bc49f4b45939958777357964...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. |
|---|