OT-2026-000022810
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000022810) never changes.
Identity and time
| Publication number | OT-2026-000022810 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46ea-70be-a9fa-a1df8e850b92 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022810 |
| Status | PUBLIC |
Content hashes
| Canonical text | acf0c87709f984de993b9d4370f4635c30846ae8c9da64d798a61d4c1637b5df |
|---|---|
| Markdown | 30c23f6841d9016e5e89489acc90109cc6493ab6e9a16af4eece645ea94947ae |
| Publication page | bfdeed65c9167997e86ddb38e9b86c494a543b587068d5696397aa0ed82bca2a |
| Manifest | 5b33dbcb7d7590310898c5abcaeb4b054206bfee17a9e755000b7920ae5c1514 |
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 | SgI0eZUgfXoqdPV6a+Z+kHNoN7P8tsVYCzzzdDxRMcW9R1V0yxpjae+glbIgD073mGcLjYvF20HdHXGcTSmnDA== |
| 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
| 2026-09-17T11:52:20.233623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022810observed bfdeed65c9167997e86ddb38e9b86c49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:20.216656Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022810/manifest.jsonobserved 5b33dbcb7d7590310898c5abcaeb4b05...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:20.201336Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022810/publication.mdobserved 30c23f6841d9016e5e89489acc90109c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:20.183207Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022810/publication.txtobserved acf0c87709f984de993b9d4370f4635c...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. |
|---|