OT-2026-000028154
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, 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-2026-000028154) never changes.
Identity and time
| Publication number | OT-2026-000028154 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-78aa-8c4a-4df8226b70f0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028154 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8ffb5b225d2b40e5ca735e0661fae43502f74f16090344e03812964624415226 |
|---|---|
| Markdown | 992afa7ecf29dbf80a025e310b0927b1692373d44927b3494d326347ef4cbbf6 |
| Publication page | 63c76d2072e419e2aae74a11e938b2814ae29f57511fe0434ef2237aed265c0f |
| Manifest | 29ee183ab75dba22599c8b4b6c8ebaa5cd7c0cb05008b37318148c9f94de9709 |
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 | PqKFn0FvQc+e/a30u7moKDWZKQk4kxiuKb6HHgM6ELAbyrWj+l4eow6cNr4M0+UdvoN8nIXTATF50fKMZ1dGBw== |
| 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
| 2026-09-17T11:42:30.449738Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028154observed 63c76d2072e419e2aae74a11e938b281...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:30.432804Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028154/manifest.jsonobserved 29ee183ab75dba22599c8b4b6c8ebaa5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.415545Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028154/publication.mdobserved 992afa7ecf29dbf80a025e310b0927b1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:30.397537Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028154/publication.txtobserved 8ffb5b225d2b40e5ca735e0661fae435...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. |
|---|