OT-2026-000021811
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000021811) never changes.
Identity and time
| Publication number | OT-2026-000021811 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-7b2d-ac28-7afac06e59fe · 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-2026-000021811 |
| Status | PUBLIC |
Content hashes
| Canonical text | 33b6e4ea6c5a0b5a0b7de49da1bd0132eb4f06bc68e31476de71097de317538a |
|---|---|
| Markdown | d8c1d28fa046a6cb7e6cdb6ccc9ee9daffebb1bef9c85596b3cc8fb9f2f9f5f7 |
| Publication page | ba14067770023d077aeb9a3e333a1d7380c35844615e2395208820ddfbbd8dba |
| Manifest | 3f60acc69a479d5b89e2e29d25e3add6ace4503e69b773cb72c95511196666b5 |
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 | 8l/YzSALzjMFDSanGzbfdY5IgVEfZ2HcOLfva0fXcGdTa2uT/fEOfOIYBEVDV4KPVyZFY8kYq0/1xrxD1bD7BQ== |
| 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
| 2026-09-17T11:54:21.998037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021811observed ba14067770023d077aeb9a3e333a1d73...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:21.980235Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021811/manifest.jsonobserved 3f60acc69a479d5b89e2e29d25e3add6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.962129Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021811/publication.mdobserved d8c1d28fa046a6cb7e6cdb6ccc9ee9da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:21.943164Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021811/publication.txtobserved 33b6e4ea6c5a0b5a0b7de49da1bd0132...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. |
|---|