OT-2026-000028013
Publication integrity record
Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum 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-2026-000028013) never changes.
Identity and time
| Publication number | OT-2026-000028013 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7ed1-97fa-bbdc6fd72a2d · 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-2026-000028013 |
| Status | PUBLIC |
Content hashes
| Canonical text | caefa7e40b37633355ca080d0ac4a37bcb513f64d86106d20ab4d5e255061e9e |
|---|---|
| Markdown | ec2be063b8162883deaedc699980dd4d67e214d4aaa3d482e023f83b56c833c5 |
| Publication page | 90cef42d5c019261dcc2b01cc5bcd3ea49ef29cabd09975892ded8b5a28e5047 |
| Manifest | a5b7cb7045e014062666e665a1e0905604901765f47d777e4b936c33de2a4ea6 |
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 | i0groxpoT+po7hkzp+zxKeHDq2dMB1t7YgoUGL0Q+eUYi8OlTY9g5eLYu/bFP6TaUmgxKnJ3AyYf0rsWFZhoDQ== |
| 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
| 2026-09-17T11:42:09.819818Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028013observed 90cef42d5c019261dcc2b01cc5bcd3ea...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:09.801534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028013/manifest.jsonobserved a5b7cb7045e014062666e665a1e09056...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:09.784789Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028013/publication.mdobserved ec2be063b8162883deaedc699980dd4d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:09.765793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028013/publication.txtobserved caefa7e40b37633355ca080d0ac4a37b...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. |
|---|