OT-2026-000028905
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000028905) never changes.
Identity and time
| Publication number | OT-2026-000028905 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7485-ad3e-7527c14c770c · 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-2026-000028905 |
| Status | PUBLIC |
Content hashes
| Canonical text | d12ec5c6ac323fefb7a17853dd9be3f8e4839b332bf65c2d18ca1a3d78458769 |
|---|---|
| Markdown | f721d239534ffd1f3df6fb28cd2fdc009ccb25dc11ad7823bfc04944341dcc3f |
| Publication page | 1a4f3ed9e52959fcbb800a82a72353997a99a196a1ebdd813e7814ae0f56860d |
| Manifest | 5e9887cb24aec8839bc813b8ff45bca0e7d32efdf19221f360c75bb389af2157 |
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 | XrHOKr8wORuSJPjFGbOlFlFnMavzGTz5VV7ah5+GxnkByhAp0Wfa+CNA78COYpQtXn8h1SQmja7GpLh5DNhzDQ== |
| 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
| 2026-09-17T08:20:17.965768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028905observed 1a4f3ed9e52959fcbb800a82a7235399...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:17.944027Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028905/manifest.jsonobserved 5e9887cb24aec8839bc813b8ff45bca0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.798812Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028905/publication.mdobserved f721d239534ffd1f3df6fb28cd2fdc00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.779116Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028905/publication.txtobserved d12ec5c6ac323fefb7a17853dd9be3f8...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. |
|---|