OT-2026-000021171
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, single stage ejector, pulsed 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-2026-000021171) never changes.
Identity and time
| Publication number | OT-2026-000021171 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865b-7bd4-9482-f0b4ef18a154 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021171 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6022eb9ce88da5b4c078416893d5cb125ddf4e7d4ece2d9dfa5cece33e82f1e7 |
|---|---|
| Markdown | f6ac1e3c62236a4bca1b3d95812838b6c87d8fcdd16d2e670c97cb929ba8b26d |
| Publication page | 3807fad7d6edc4d8f9b8530b7eb57966c4a44df1a0e1392f6476660c3347fd71 |
| Manifest | cb1791e134c0fa4152d1e95529afa046917430a80322c0fb9ca61df5fa1ac257 |
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 | Xj+xl7CfHWh995Z+WB+ld+ZlFTMJUj1DvyO7iPqavuS1zfiuDUv9xiLnYSQyNxlKeOyTmyUt+7DsVJtmjtBDCA== |
| 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
| 2026-09-17T11:54:56.748558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021171observed 3807fad7d6edc4d8f9b8530b7eb57966...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:56.728559Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021171/manifest.jsonobserved cb1791e134c0fa4152d1e95529afa046...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.708099Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021171/publication.mdobserved f6ac1e3c62236a4bca1b3d95812838b6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:56.686828Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021171/publication.txtobserved 6022eb9ce88da5b4c078416893d5cb12...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. |
|---|