OT-2026-000028970
Publication integrity record
Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000028970) never changes.
Identity and time
| Publication number | OT-2026-000028970 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-74da-bba6-d7b6cb86e34a · 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-2026-000028970 |
| Status | PUBLIC |
Content hashes
| Canonical text | 74d9839389478883806e711a91cf6096395a21f0c11f02d9868e723b03753559 |
|---|---|
| Markdown | ecc44ed0b621efb63955f413f371a0d258e13fdb616b2c5411720af14e0f6493 |
| Publication page | c3931d00a3b6c4b5e6aba701e52c7e68a1cc172211ada1be1a886cfad5381535 |
| Manifest | 656c9eff9179f9b300efc1843ac40aee5f17d2d2f5eea41454530db72130ba57 |
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 | tq5CGOHIoDrnQ+qjapknBZKmLKzJOJZ2FiQhPFmEgY2f2IS/1z2+UA7RRQtsZFb/Fy/q9y60cFAGVwr3avwqAA== |
| 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
| 2026-09-17T08:20:28.776683Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028970observed c3931d00a3b6c4b5e6aba701e52c7e68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:28.757928Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028970/manifest.jsonobserved 656c9eff9179f9b300efc1843ac40aee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:28.739287Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028970/publication.mdobserved ecc44ed0b621efb63955f413f371a0d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:28.722718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028970/publication.txtobserved 74d9839389478883806e711a91cf6096...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. |
|---|