OT-2026-000021977
Publication integrity record
Six cup vacuum gripper, six outlet manifold, 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-2026-000021977) never changes.
Identity and time
| Publication number | OT-2026-000021977 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-767f-8936-c6c67e6a8214 · 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-2026-000021977 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7099f7bda385d7ad09ad8f4adc424d1738ca59b67bbc512d9213a1c560dd1f2a |
|---|---|
| Markdown | 99766502dba7ac95fbc1320342ac51374037abab0d45d74ccf502bebee907bc1 |
| Publication page | 2d023a2167a82f15935dc7d8e39ffb531d325ace8cc8eb1caabeb00a4acdbf1f |
| Manifest | ab2b43a4e2ba06cdc937befbd813340e4afdabe4f140140993fdbf819a7fc7b5 |
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 | O9NvRUHApOaxxoz3ypGR9iEk47aNP1pP2y3qTh73EufJgePuChXZOY1ueBvX7Ubxz9BQPSE5lBV0hpmuv4G5Bw== |
| 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
| 2026-09-17T11:54:38.981579Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021977observed 2d023a2167a82f15935dc7d8e39ffb53...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:38.964702Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021977/manifest.jsonobserved ab2b43a4e2ba06cdc937befbd813340e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.946446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021977/publication.mdobserved 99766502dba7ac95fbc1320342ac5137...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:38.929181Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021977/publication.txtobserved 7099f7bda385d7ad09ad8f4adc424d17...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. |
|---|