OT-2026-000028777
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000028777) never changes.
Identity and time
| Publication number | OT-2026-000028777 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2252-7e7a-adfd-81c3bc2f50ee · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:36.158293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028777 |
| Status | PUBLIC |
Content hashes
| Canonical text | 30707f868335e9c4137e325fe05e128f5350036302a67b11c8d6d393aa5b6595 |
|---|---|
| Markdown | dea85c73abe2d864aa0b7da86b3f6115c1ec229f0d581e031ee22c5baa358d3c |
| Publication page | a6d4faf9b4945826ce42990e65e7cab125b3dbd1ae464476144b5bc058d4858a |
| Manifest | 1e82670f8747ff4753134c19938b9c159f35f61a452890e41822a00bf89328b9 |
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 | jt0M1s6SKfIYfmF5e6WOiTgbe+2I9xNbB6eZmnMr57p5/x4Ccb1/r+GAFQJ1kSMU30fWBP6xGwCfqfFE9pmmCg== |
| 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
| 2026-09-17T11:40:00.212566Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028777observed a6d4faf9b4945826ce42990e65e7cab1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:00.194942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028777/manifest.jsonobserved 1e82670f8747ff4753134c19938b9c15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.175658Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028777/publication.mdobserved dea85c73abe2d864aa0b7da86b3f6115...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:00.154094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028777/publication.txtobserved 30707f868335e9c4137e325fe05e128f...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. |
|---|