OT-2026-000018302
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000018302) never changes.
Identity and time
| Publication number | OT-2026-000018302 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-b489-7dc2-b894-0e9ff405a6a3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:14:45.971508Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000018302 |
| Status | PUBLIC |
Content hashes
| Canonical text | aac8b5d6a777152c896571eb2c86caaf1e94444b9889902922967e721fa9cb57 |
|---|---|
| Markdown | 19cd1b7d3211f8be3e261579106da4fb0dc8ce29932e821b01a1585811fe5ec2 |
| Publication page | b1005e2d5a7936874cc079089023fd45d5a57b825d2f4d4c5ff4af16a5f74eec |
| Manifest | 09ec8fa7f45b824d6e93e11db2f0d98c5b67bb05614081079761164f20668886 |
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 | ATzw0pFvSpqukkOlJlc2qU4n7iHERRKdPPl1ApoJ9QPTxcEOPrNSWoSsi408GCo8QBQDHPUSzNZpZdP6hD+yBQ== |
| 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
| 2026-09-17T12:00:14.801296Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018302observed b1005e2d5a7936874cc079089023fd45...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:14.777831Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018302/manifest.jsonobserved 09ec8fa7f45b824d6e93e11db2f0d98c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:14.755754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018302/publication.mdobserved 19cd1b7d3211f8be3e261579106da4fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:10.608584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000018302/publication.txtobserved aac8b5d6a777152c896571eb2c86caaf...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. |
|---|