OT-2026-000028604
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000028604) never changes.
Identity and time
| Publication number | OT-2026-000028604 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f9-7647-a085-954ca6e1ee90 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028604 |
| Status | PUBLIC |
Content hashes
| Canonical text | d1c4b7c11fb35bb66ff922df78a504054fd99606108ff19dca65b8eadc8cc112 |
|---|---|
| Markdown | 423a17c087599ab169fb8108ab0960d7311c50a0186ef89fc1f76137c9ce18fe |
| Publication page | 2f19ef8bf8eef2974c8135fa4ec063daf9cec79e3d6a05120c99731baf2a3f17 |
| Manifest | 1beccff7d910581a6cb9accd47355ed3524047424b86d1a6d8b24381dc279987 |
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 | NhDatRO+gzbUjHCj2fEgrxShAzjwHMKuKuuqnuMslBzX26oUk4QJ3Cq9FEgMv09QrMRMGbM/wZkyr67mZPk4Cg== |
| 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
| 2026-09-17T11:41:27.792094Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028604observed 2f19ef8bf8eef2974c8135fa4ec063da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:27.772446Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028604/manifest.jsonobserved 1beccff7d910581a6cb9accd47355ed3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.752220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028604/publication.mdobserved 423a17c087599ab169fb8108ab0960d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:27.731766Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028604/publication.txtobserved d1c4b7c11fb35bb66ff922df78a50405...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. |
|---|