OT-2026-000048219
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed 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-2026-000048219) never changes.
Identity and time
| Publication number | OT-2026-000048219 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de2-798d-b60d-4c7fac0babc3 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048219 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0c6dd392568877c154ad0e0149cdc01eaaac18b3b639b01bf4b69b29ddd3d338 |
|---|---|
| Markdown | d5c9c0bf2cb137199e12823672256284294d103a7b3cb11480a595dca5f07569 |
| Publication page | b9cd225b65af6b100fd0b160728cb9c68fecc3561477d882c35c9024127775b8 |
| Manifest | ff6ff27e994e3966d9cff4e04c318cd38fa24892c29eb12c7da53e94f6fa8015 |
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 | 9fHSKt/T7Uj5HzpE3BTu1U1OxBdTkV9BizUvNSDSw/uwGTSImv0lagxMkQZ1efBe7frevh3Mul4qqHeK/4s8BQ== |
| 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
| 2026-09-17T11:04:46.330354Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048219observed b9cd225b65af6b100fd0b160728cb9c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:04:46.311714Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048219/manifest.jsonobserved ff6ff27e994e3966d9cff4e04c318cd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:46.293523Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048219/publication.mdobserved d5c9c0bf2cb137199e12823672256284...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:04:46.275932Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048219/publication.txtobserved 0c6dd392568877c154ad0e0149cdc01e...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. |
|---|