OT-2026-000028884
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, 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-2026-000028884) never changes.
Identity and time
| Publication number | OT-2026-000028884 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7d35-a555-6c0a065f9da3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028884 |
| Status | PUBLIC |
Content hashes
| Canonical text | 56d2d9170d81685b8fc7336fbfc5bb91e2c91a96df2bee1ff186be56507a4e3e |
|---|---|
| Markdown | 7d82426042eb28a3c332a076b1d7325a3a095fae4c0bb1ca0d716d5d1bf0f51f |
| Publication page | 5e3bf3d0b5aa6c06c47d7a0e02eb1b0a15725e030de53e9d8fb4a568e5d49e54 |
| Manifest | cfc0cfcd3221bb09bd4dee422f12065bf11b24c8ea0183afba6ddc081910b15d |
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 | 3CVArauUuUMy1SuHCgYWxgFaLWL9rIm6brOAlfGK64BXTAcTWl2JmbChlCFi6aZ1p3kxPYS/ukWwCytcf0mkAA== |
| 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
| 2026-09-17T08:20:15.009312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028884observed 5e3bf3d0b5aa6c06c47d7a0e02eb1b0a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:14.991613Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028884/manifest.jsonobserved cfc0cfcd3221bb09bd4dee422f12065b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.974632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028884/publication.mdobserved 7d82426042eb28a3c332a076b1d7325a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:14.956033Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028884/publication.txtobserved 56d2d9170d81685b8fc7336fbfc5bb91...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. |
|---|