OT-2026-000021621
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum 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-2026-000021621) never changes.
Identity and time
| Publication number | OT-2026-000021621 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7c21-bd9a-cf571b674704 · 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-2026-000021621 |
| Status | PUBLIC |
Content hashes
| Canonical text | e9ec52eb39afd5696470c4c93d717ee121d08127d39a08d6de8c11b588595314 |
|---|---|
| Markdown | b3d00fd60bf4d7b1c27e81c72bc6bf68d59a50352e7a35730e587c7f0a59af2a |
| Publication page | d385d01b6d3e96a819cc3e933735cd0b4ed759f600f7d46b76fa972fae25ca49 |
| Manifest | 67d4c70ba1f7473506b6b9411fbe6f832251d6bbdc84d3d5b15fd61e04417fcf |
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 | htGuZEhog2yQ23LS87iwhAB6VuNKv1lHPWXy0Err2Yo3VSqjcfGF8rsU69pWD5iVYl4e1N2rqEnNzfr1jisjCw== |
| 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
| 2026-09-17T11:54:04.885757Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021621observed d385d01b6d3e96a819cc3e933735cd0b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:04.866636Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021621/manifest.jsonobserved 67d4c70ba1f7473506b6b9411fbe6f83...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.846964Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021621/publication.mdobserved b3d00fd60bf4d7b1c27e81c72bc6bf68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:04.827825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021621/publication.txtobserved e9ec52eb39afd5696470c4c93d717ee1...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. |
|---|