OT-2026-000028078
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000028078) never changes.
Identity and time
| Publication number | OT-2026-000028078 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7b41-8f85-de0c3680757e · 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-2026-000028078 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6809a035b4951961fbffb0032442e23880dc5dfdc6b86e34bcd9f9d44887ce18 |
|---|---|
| Markdown | cd3caf633741ae193f6b379275c48ab79ef27965d26b11882134d1d93e261f5d |
| Publication page | 12f010716408e9167c7441ad39836ec8dfd7dd9cafae7d289b6e5faa638f833c |
| Manifest | ba078cedf8766f484a91eeba15cafc34e2181d5389b6519be9ff9adcd5d2bc2d |
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 | ugoeGFNfkLTNQ3NybXixfFEWziXtv6Y80iUSgJiWzlRvEHqNxWUXlKcc1MUlqh/lCB/Zha9Zl0WR5QztPSXxDA== |
| 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
| 2026-09-17T11:42:25.148493Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028078observed 12f010716408e9167c7441ad39836ec8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:25.129988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028078/manifest.jsonobserved ba078cedf8766f484a91eeba15cafc34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:25.112787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028078/publication.mdobserved cd3caf633741ae193f6b379275c48ab7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:25.093457Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028078/publication.txtobserved 6809a035b4951961fbffb0032442e238...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. |
|---|