OT-2026-000028576
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000028576) never changes.
Identity and time
| Publication number | OT-2026-000028576 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-74e7-8e21-4aea9c80993d · 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-2026-000028576 |
| Status | PUBLIC |
Content hashes
| Canonical text | e3892cf87c5e93b38d727c98eee4227f977e1bc48b5a8d372febadbb148d9109 |
|---|---|
| Markdown | 43c431ca3f14841ee27af86b870cb78ba6288a086046c5f427e1319f0254789d |
| Publication page | cb64ff3e42454c96505af1b3fcfacdd8e328300d10ab2472f1f527e40d08d150 |
| Manifest | 6a9f21a1b6992ce3560067beabc8a46cb79104d2eba2af2406af747c183c8da8 |
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 | AjldQ8Ryk2G8tZDBzUMMR3hQ8rkN6Y3PsDYoFPc6eYF66yuoo9PN26g0K+BbuhPhmchCn7JvC3U1LsHiMZ/eAg== |
| 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
| 2026-09-17T11:40:51.954074Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028576observed cb64ff3e42454c96505af1b3fcfacdd8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:51.936847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028576/manifest.jsonobserved 6a9f21a1b6992ce3560067beabc8a46c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.916763Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028576/publication.mdobserved 43c431ca3f14841ee27af86b870cb78b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:51.899947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028576/publication.txtobserved e3892cf87c5e93b38d727c98eee4227f...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. |
|---|