OT-2026-000028901
Publication integrity record
Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off before set-down
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-2026-000028901) never changes.
Identity and time
| Publication number | OT-2026-000028901 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7cef-9595-5e2aa2b9225a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028901 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f5f135e220bd507fc9596135c99a77a00ddbd36ee0bec10887d77a96ed8b510 |
|---|---|
| Markdown | 89935244814650c55702879e95ce25ef8a984ccde5fcd966083b84463336da69 |
| Publication page | 92c61746e3f46ed3352d708c48e349620578aaed782caf5e7ebc3f5d41392839 |
| Manifest | 163d9d420529f8d1bf46cbecd446063c525a45e31f71d7dfda3adde430094715 |
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 | 5n7FTl7Na3+chswm7rMxnhMP6HAxFf118H2ovGt+zqWEHDghjLSVjdeJ3i0HElUUluS+PWnW4dUEpt4cb4voDw== |
| 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
| 2026-09-17T08:20:17.278902Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028901observed 92c61746e3f46ed3352d708c48e34962...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:17.259029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028901/manifest.jsonobserved 163d9d420529f8d1bf46cbecd446063c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.240534Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028901/publication.mdobserved 89935244814650c55702879e95ce25ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:17.192611Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028901/publication.txtobserved 0f5f135e220bd507fc9596135c99a77a...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. |
|---|