OT-2026-000028021
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-2026-000028021) never changes.
Identity and time
| Publication number | OT-2026-000028021 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7ddf-97ad-c9121ee30a42 · 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-2026-000028021 |
| Status | PUBLIC |
Content hashes
| Canonical text | a483203be8c7f32db1907bbd2b4acf9c654e13ce70187b7430df274c94c53102 |
|---|---|
| Markdown | 8434a99d3d7d3729c7039cf0be8147f457cb5181048037b89507a2ec4c97f984 |
| Publication page | 98a1f301d60fc0f7fdc9fc0d9fb2d453778ba2057292d3d455d7a3095773b677 |
| Manifest | 99ecc21d65a3fa92de7c5760ff8879fc98257e7ea01250f48ca3240aba22dc8f |
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 | eMhwqTBUQxK8buwoiHWqGNAJdvt2aHCGEoXqGA0qzRJPReWfPpw2rD6/V00+fGn7El6YW/XKBPO/5EMK+o7SDw== |
| 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
| 2026-09-17T11:42:10.910021Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028021observed 98a1f301d60fc0f7fdc9fc0d9fb2d453...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:10.892710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028021/manifest.jsonobserved 99ecc21d65a3fa92de7c5760ff8879fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.876527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028021/publication.mdobserved 8434a99d3d7d3729c7039cf0be8147f4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:10.860770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028021/publication.txtobserved a483203be8c7f32db1907bbd2b4acf9c...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. |
|---|