OT-2026-000026728
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, two 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-2026-000026728) never changes.
Identity and time
| Publication number | OT-2026-000026728 · never reused |
|---|---|
| Internal UUID | 01a0ae71-f4ab-7d0d-8dad-f0ffaf392a72 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:18.960773Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 209e86e62d06beccc738df48f9eb19559249976636d66e168b26737a269333b4 |
|---|---|
| Markdown | bbdc85f254ec30a5d7aeaddadb5417fbc46e248d928ecf9b69eaf1942b8fecab |
| Publication page | 4fc2fe62778ee788ec0ba61735030b46cf0729a478a90736ac6a656dbb34b2cc |
| Manifest | afd3b3103a3e9423fcc6eb0aacb3b2506532793354c2c30e5443360f44252c1f |
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 | Zvfq0YoJqDsISmql+5+qJPzkB15ulr+d8621OjrTgswCx8dZAzRA06829Ac6Ej0Q0PwIyBeSezGab3GQ5hdjCQ== |
| 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
| 2026-09-17T11:45:54.556584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026728observed 4fc2fe62778ee788ec0ba61735030b46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:45:54.533986Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026728/manifest.jsonobserved afd3b3103a3e9423fcc6eb0aacb3b250...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:54.516202Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026728/publication.mdobserved bbdc85f254ec30a5d7aeaddadb5417fb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:45:54.495059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026728/publication.txtobserved 209e86e62d06beccc738df48f9eb1955...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. |
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