OT-2026-000011981
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single 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-2026-000011981) never changes.
Identity and time
| Publication number | OT-2026-000011981 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-1942-71c5-a707-693917d5151d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:00.631271Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000011981 |
| Status | PUBLIC |
Content hashes
| Canonical text | de62c53831e26b07bbb344c0967319f7ed71ac62be87914d5a9a85f253acf280 |
|---|---|
| Markdown | 612fced8554ae9b6e8484e5762fabab6a79da1dbf0c8a74f1b675f80059100b3 |
| Publication page | a5136ab06731af0aed74de359e5691bf8ba4843d6f05fb98acd95c33ca8e7a0a |
| Manifest | 9190f2b4baceaf755924e51dc87a318b813575b7d1171d015e68d6dc896b5393 |
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 | L9QNzwnHfd4hT2QOZh18qbi5YlvvAp3bNJkceV+P8noNlMo0HraHUtLWiKmwbCdPoG9lkwCB9pBPDb8H0spVBg== |
| 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
| 2026-09-17T12:12:50.378868Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011981observed a5136ab06731af0aed74de359e5691bf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:50.359822Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011981/manifest.jsonobserved 9190f2b4baceaf755924e51dc87a318b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.342077Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011981/publication.mdobserved 612fced8554ae9b6e8484e5762fabab6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:50.323243Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000011981/publication.txtobserved de62c53831e26b07bbb344c0967319f7...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. |
|---|