OT-2026-000042897
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000042897) never changes.
Identity and time
| Publication number | OT-2026-000042897 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-c0d1-74c8-9cd3-a258eb30579a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:55.489038Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042897 |
| Status | PUBLIC |
Content hashes
| Canonical text | b4e293a5c7d5046a7f931e816581ac7aedc1521118831a8b86f404744b939978 |
|---|---|
| Markdown | df7f71269f8e9dd663a69efde91b13c2ddfa95a7521c8b64b394bee9193afdd1 |
| Publication page | 37b7cc3e8a76028537437f3bbd04b80c477e6ec95b658b1f70f4b2da1f223dab |
| Manifest | eee27cfa0e7ce1d263cacb5ba284fc77440227889665069c90cadbbd60677d1d |
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 | nNcpnovS8x7VVQH1o8aLzvXw06cJDL6Zv0lJTwU9PpDffwQLdk8QEgS7WR8Rk90EiiPvQy2HndLVIra82EuaAQ== |
| 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
| 2026-09-17T11:15:24.252735Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042897observed 37b7cc3e8a76028537437f3bbd04b80c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:24.234972Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042897/manifest.jsonobserved eee27cfa0e7ce1d263cacb5ba284fc77...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.216151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042897/publication.mdobserved df7f71269f8e9dd663a69efde91b13c2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:24.198257Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042897/publication.txtobserved b4e293a5c7d5046a7f931e816581ac7a...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. |
|---|