OT-2026-000028984
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000028984) never changes.
Identity and time
| Publication number | OT-2026-000028984 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7f99-94c8-7072cc2a4164 · 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-2026-000028984 |
| Status | PUBLIC |
Content hashes
| Canonical text | 196c4ed93ee8f42d65b303cdb46d2b519bf93d1453a5049b0d8708c9251331ee |
|---|---|
| Markdown | 7ea53c3e1aef6f873ac2d5c4b92f7057a601011bc17abc7c741ec97b980b63f9 |
| Publication page | 87f7ff44b692bf7bdb6119fcb5f43dc3608787f4b4ea3844857cde6f4d598f46 |
| Manifest | b6fb77945b8b00c812647bcd41bf6138752a4cc2a2893bb59873409831ed54ba |
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 | ZmdKi2bSNFIdmFWC6xLvozvhSqJJtCykrtH1FF5iwAA26kHN4d/dcODnBOWIqlZyfFoEdTod4ed0UvsbasxvBw== |
| 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
| 2026-09-17T08:20:22.011199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028984observed 87f7ff44b692bf7bdb6119fcb5f43dc3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:21.983700Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028984/manifest.jsonobserved b6fb77945b8b00c812647bcd41bf6138...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:21.967020Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028984/publication.mdobserved 7ea53c3e1aef6f873ac2d5c4b92f7057...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:21.949921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028984/publication.txtobserved 196c4ed93ee8f42d65b303cdb46d2b51...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. |
|---|