OT-2026-000044708
Publication integrity record
Single bellows cup vacuum gripper, pump fed, 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-2026-000044708) never changes.
Identity and time
| Publication number | OT-2026-000044708 · never reused |
|---|---|
| Internal UUID | 01a0ae7c-39da-7fdf-9a64-185c3289c049 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:29:32.012327Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000044708 |
| Status | PUBLIC |
Content hashes
| Canonical text | f08ebf4f043ff477c70471d518ee81e4987c9c9361c98f1260b60ec0035965bb |
|---|---|
| Markdown | 31a978e58c91046de92bf7cc7636e651ee8e1d0b836aff4c0f5eaa66d5b72b48 |
| Publication page | f218904767cd00d363afd57ba79c9f116da0c4b44dff53fbcb57235bf5cb00b9 |
| Manifest | e16de8957b2f7989048ff95bef080169c05e18b21021b9c563ee13f4c66abe7d |
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 | 4jNTBrvPHqlARFi/imKZgRJJw0dINbP2AeCiMFqwnMlTwnk91qJ9+NdOU0DgYOYhasyy9rCFc5wSYJjBdi7/AA== |
| 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
| 2026-09-17T11:11:58.239919Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044708observed f218904767cd00d363afd57ba79c9f11...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:11:58.222084Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044708/manifest.jsonobserved e16de8957b2f7989048ff95bef080169...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:58.203463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044708/publication.mdobserved 31a978e58c91046de92bf7cc7636e651...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:11:58.183836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000044708/publication.txtobserved f08ebf4f043ff477c70471d518ee81e4...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. |
|---|