OT-2026-000020987
Publication integrity record
Three cup vacuum gripper, three zone face, per zone isolation, three 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-2026-000020987) never changes.
Identity and time
| Publication number | OT-2026-000020987 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7c7e-8779-b51c635c0bc7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020987 |
| Status | PUBLIC |
Content hashes
| Canonical text | e1413434f760e35e1b6e432e4cf531aa30b1e0ea96578ed5d167bfb9b916b577 |
|---|---|
| Markdown | 13b0e4f7b43deeb29a5b0813294cbb30aae1b64a6bd2c20e5289e133ea2a45ea |
| Publication page | ee1c5db87d91767ffe76b01a8328a20ca0c7f2f2479833fe5457d9445db83804 |
| Manifest | 8cf78ba5b6d677e35b0c18a3787a98e388c1457377a07a7d5ec00335d17633b3 |
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 | ydviTgLJL2sPJ2rVGc67sA0gjOmzw4FoD02W8CDPHDmt0W7ckCO2raHbxVKWdsQsFUQP9rG4Uvl1w/XSIz25DA== |
| 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
| 2026-09-17T11:56:08.347454Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020987observed ee1c5db87d91767ffe76b01a8328a20c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:08.329091Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020987/manifest.jsonobserved 8cf78ba5b6d677e35b0c18a3787a98e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:08.311549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020987/publication.mdobserved 13b0e4f7b43deeb29a5b0813294cbb30...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:08.292940Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020987/publication.txtobserved e1413434f760e35e1b6e432e4cf531aa...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. |
|---|