OT-2026-000021783
Publication integrity record
Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, pulsed 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-2026-000021783) never changes.
Identity and time
| Publication number | OT-2026-000021783 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7a50-b1e4-ad4d27afb104 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021783 |
| Status | PUBLIC |
Content hashes
| Canonical text | ff7c44e7770c1b50d1d415962075f9a2b28540c769f85bca697ac07bb5b54202 |
|---|---|
| Markdown | 56f6eb8d312807d74e7f8f3fc3874062c58c9ee6c4df322eefb2f27a96dfc5ad |
| Publication page | cd90324bf8ae77e3863a152b862aa19edc5162c34edc41d8c864e8d1175d208a |
| Manifest | 150e5b80ebef5079798fd6e9daab2a2b09b073644a2c8849dd320df7053577a4 |
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 | L03Y9mMiJvr+lZ9RXS8yJEM6UlJhiI6uhCGe9B5nMFB9tVoDEaKolRF/uG6QpCaJp1hwFArA3MZ9O3t+s52GCg== |
| 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
| 2026-09-17T11:54:19.838749Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021783observed cd90324bf8ae77e3863a152b862aa19e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:19.821996Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021783/manifest.jsonobserved 150e5b80ebef5079798fd6e9daab2a2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.803497Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021783/publication.mdobserved 56f6eb8d312807d74e7f8f3fc3874062...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:19.786847Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021783/publication.txtobserved ff7c44e7770c1b50d1d415962075f9a2...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. |
|---|