OT-2026-000054947
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000054947) never changes.
Identity and time
| Publication number | OT-2026-000054947 · never reused |
|---|---|
| Internal UUID | 01a0ae86-5e80-71c4-87a4-bbe3bc768c0c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:36.756598Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054947 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4adcbda72413ff5ee7ebf655f2471ec405bcb87e9677b021fc83204d347d349d |
|---|---|
| Markdown | cc851c4ccad5d00a04bae1bda9d991a4635f62c8ca465e523b13d5df7c2d7940 |
| Publication page | 523f82adcf85738decbbd59829bcadc0a2e4779349e3090ca710c26458601bb8 |
| Manifest | 4b2426f7860cd6798e75fca04ab42a7d195d951add8bb8da52d59f0e91eae9e7 |
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 | p5OYvHz8jGMKrWs+uFMnKS2SxRpRrIzNGsDMYl5Nnr0mfAojNqt243Sqd9JNhtNZ6Ew/5DrnlRDtBoI8ohQSDg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:53:03.366966Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054947observed 523f82adcf85738decbbd59829bcadc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:03.349628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054947/manifest.jsonobserved 4b2426f7860cd6798e75fca04ab42a7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:03.332241Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054947/publication.mdobserved cc851c4ccad5d00a04bae1bda9d991a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:03.314869Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054947/publication.txtobserved 4adcbda72413ff5ee7ebf655f2471ec4...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. |
|---|