OT-2026-000042117
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump fed, sustained blow-off after 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-2026-000042117) never changes.
Identity and time
| Publication number | OT-2026-000042117 · never reused |
|---|---|
| Internal UUID | 01a0ae7a-5d71-7c73-afa4-82cf7a00c3ff · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:27:30.052779Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000042117 |
| Status | PUBLIC |
Content hashes
| Canonical text | fbbb7766d8497c6a96fe4460cae443ad0ae2b76425639f9b5c37efbb0a32d518 |
|---|---|
| Markdown | bd1bd6d7015171427f09ca071edee4aaeb6c2392cd4220c15bdca0938b55b270 |
| Publication page | c7a40a538f54b17a94b2ddd59cea01d2393b83a458aab4c9b2957920fc3cb898 |
| Manifest | 44df112b539effae65315b4b0f2f662d64b4c9c37d03a6775bf42a45e28ecbd4 |
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 | TndXy75y1p3AiQ+l1VTUCh9Qvt4brgVzNmm9sRCkcHYJT5yNqVywrkwMPrf+rriC31FBX2trUEAIq6K8f+uuCA== |
| 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
| 2026-09-17T11:15:39.472182Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042117observed c7a40a538f54b17a94b2ddd59cea01d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:15:39.454291Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042117/manifest.jsonobserved 44df112b539effae65315b4b0f2f662d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:39.434147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042117/publication.mdobserved bd1bd6d7015171427f09ca071edee4aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:15:39.415659Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000042117/publication.txtobserved fbbb7766d8497c6a96fe4460cae443ad...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. |
|---|