OT-2026-000052921
Publication integrity record
Four cup vacuum gripper, four outlet manifold, three stage ejector, vented before set-down
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-2026-000052921) never changes.
Identity and time
| Publication number | OT-2026-000052921 · never reused |
|---|---|
| Internal UUID | 01a0ae84-a42f-70e3-9736-9e0197d65ede · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:43.524202Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052921 |
| Status | PUBLIC |
Content hashes
| Canonical text | 65397c260847ec6bafe99b0ba20b84ff19d66530a9ad3629d01012ab49551909 |
|---|---|
| Markdown | 830a94e7801e2ca1474df89da6c4dcd39c2df00a45dc385f6ca1c8f1eaed6823 |
| Publication page | d8e51e0978b43cabfb4e124d3a1aace58428d5ea138c3a783858eee56f7c3b68 |
| Manifest | bffcb3e7e13a4de062702b74fb8a00ad34b7511a2a07b2d430d133e956eb813d |
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 | Ni2VdlQqJ9AizinGU9p7u03wHabQk3agS1V1cFhhY4krc8y98pED0cTMEd4Izt4lsmRS1acDFaZzFbcQsxjaDQ== |
| 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
| 2026-09-17T10:56:34.073046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052921observed d8e51e0978b43cabfb4e124d3a1aace5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:56:34.054986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052921/manifest.jsonobserved bffcb3e7e13a4de062702b74fb8a00ad...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:34.037623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052921/publication.mdobserved 830a94e7801e2ca1474df89da6c4dcd3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:56:34.018464Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052921/publication.txtobserved 65397c260847ec6bafe99b0ba20b84ff...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. |
|---|