OT-2026-000054739
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum 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-2026-000054739) never changes.
Identity and time
| Publication number | OT-2026-000054739 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1284-72eb-9d3c-f449ae022ef7 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054739 |
| Status | PUBLIC |
Content hashes
| Canonical text | f0561684f8afb80056c477adf7f26ec67306a8e64cac6d8031eb8557b95743de |
|---|---|
| Markdown | b3300c4f518832de0385393caa3711143acf3405396c4d7b1f914a5aa9d6ecd0 |
| Publication page | f20a90901fa5cd2173ebd902d226c708f00d68d594a0b3cd4d70295382241fdc |
| Manifest | ed39f0d739a04d07e65ea65c0ec24a0d84dfb84f6b0186861e5dc52588adde5d |
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 | 1Vk4M6naRBMhbEkokcvEIcMRT82TJdUlLP21bnGakmUv9H0Fwo1V9YkcWuyL7tpKZjFPRWouVJ+YNNbyccPCAg== |
| 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
| 2026-09-17T10:53:55.406644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054739observed f20a90901fa5cd2173ebd902d226c708...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:53:55.386884Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054739/manifest.jsonobserved ed39f0d739a04d07e65ea65c0ec24a0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:55.367615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054739/publication.mdobserved b3300c4f518832de0385393caa371114...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:53:55.348975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054739/publication.txtobserved f0561684f8afb80056c477adf7f26ec6...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. |
|---|