OT-2026-000100557
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000100557) never changes.
Identity and time
| Publication number | OT-2026-000100557 · never reused |
|---|---|
| Internal UUID | 01a0aea3-66f1-761f-a958-1353c3e2e639 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:19.463543Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100557 |
| Status | PUBLIC |
Content hashes
| Canonical text | 83670b0c5122c5b1d0722165411ab91bf77fb3619afb067aa0317fd52d1340eb |
|---|---|
| Markdown | 589a5f7e38fb9bcce986a0b856888b7d107da67390ad76767d90e2b27206e0a2 |
| Publication page | 1d96d91aff780a679243ad31685b0b3b443057844e9a718db74490f4635fe25b |
| Manifest | 72ce5d9d5c4bc31d0fb42352bf9fe3b3715bd76d1332ca4005517f235460cb6e |
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 | RoswwipRyVcn8fFM1y26qGxWzJ0TS/B1XFgYV22DNkMUEaSfpTzISGJpH4iO/w2/XUB7Gr5pweImn6zQRBaACQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:27:04Z batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof root 095d30148a2ef87d42d7818ebe7543f9... |
|---|
Independent retrieval
| 2026-09-17T09:27:19.916182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100557observed 1d96d91aff780a679243ad31685b0b3b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:19.898509Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100557/manifest.jsonobserved 72ce5d9d5c4bc31d0fb42352bf9fe3b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.882425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100557/publication.mdobserved 589a5f7e38fb9bcce986a0b856888b7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:19.865825Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100557/publication.txtobserved 83670b0c5122c5b1d0722165411ab91b...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. |
|---|