OT-2026-000021954
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off before set-down
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-2026-000021954) never changes.
Identity and time
| Publication number | OT-2026-000021954 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-76dc-9de5-c45acddedce2 · 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-2026-000021954 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2df2082b932cc2898df7fb53ecfd2aeaad04cc00aea6eff3fb761cbaf69972ad |
|---|---|
| Markdown | 2387cc3f1d209d5bd6b1130f4df9dae20acfcbafedcbdafaf444642bea17dfd9 |
| Publication page | 9cacde40264e22e16344e368679322bf06ecc2638c02f213aa82091aa2fece21 |
| Manifest | cb326132d90545d2473f8aa6338e07720a5394947f3c0fa819f5efa8c99e9287 |
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 | vfEbMrIYryLPtOG5Y2DCAypQC+W3wqaWLlnKuD27z65mECJ8Xl4P9VDiiZICbSS8PrtUEYMAroT0bNs1s9RHCg== |
| 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
| 2026-09-17T11:54:37.331099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021954observed 9cacde40264e22e16344e368679322bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:37.313435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021954/manifest.jsonobserved cb326132d90545d2473f8aa6338e0772...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.294212Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021954/publication.mdobserved 2387cc3f1d209d5bd6b1130f4df9dae2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:37.277657Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021954/publication.txtobserved 2df2082b932cc2898df7fb53ecfd2aea...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. |
|---|