OT-2026-000100220
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000100220) never changes.
Identity and time
| Publication number | OT-2026-000100220 · never reused |
|---|---|
| Internal UUID | 01a0aea3-3053-7768-86a3-439ff770ca66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:12:05.469356Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000100220 |
| Status | PUBLIC |
Content hashes
| Canonical text | cba75b6fad796e7fbb82f0c2eb5d633d0cde8d14918d4cb547ce199fb305102d |
|---|---|
| Markdown | 471f6b81c25b9e95131b904cfd75770904b9eda16ec08dda92095f12c9a479ec |
| Publication page | 85e2ff32b01a0964c65be9542e278595ccf34e4ca3abee412ae5d4f7fca625e2 |
| Manifest | 8424d02f071a848f8d4ed7b62694bad340a8abb5ec8300dd057c1b78b17fac4d |
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 | WLqmdlcVG80S8+HDYSW3twQ5lVkBkZGSC9HzQD457KOJGPGMGy4edLAw/1jgBCdGRfHyYCWXoXWzDCTmpeneCw== |
| 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
| 2026-09-17T09:27:56.012869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100220observed 85e2ff32b01a0964c65be9542e278595...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:27:55.995633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100220/manifest.jsonobserved 8424d02f071a848f8d4ed7b62694bad3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:55.977710Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100220/publication.mdobserved 471f6b81c25b9e95131b904cfd757709...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:27:55.959412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000100220/publication.txtobserved cba75b6fad796e7fbb82f0c2eb5d633d...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. |
|---|