OT-2026-000072441
Publication integrity record
Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump 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-2026-000072441) never changes.
Identity and time
| Publication number | OT-2026-000072441 · never reused |
|---|---|
| Internal UUID | 01a0ae92-89d7-73df-8342-347777e80d74 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:53:54.283203Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000072441 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7681c90a443e019f43400650221dfdafab4d1b7524dbe73de20ed410f7caf5cb |
|---|---|
| Markdown | ba29502c6f1735437559641da543506dcd67e87f9cd16c13231c34fe5183922a |
| Publication page | efc886c83f751064b9d58c9f1a0e0a43f6c3d39c59b00a47b8d367f3b398ddb1 |
| Manifest | bc4298459bf8c55a5a85f3688160c73ea546ed6f48e1003fbfcdf83eff4eb67c |
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 | pQ/i+txK1xJPCFQTSVhIt0VRRYHpqMxbbxeHTZIHvRccA0L5YllgLkNSAZPvZdjtH9j2sJkOQkwXPtniuA8RBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:22:15.617572Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072441observed efc886c83f751064b9d58c9f1a0e0a43...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:22:15.598694Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072441/manifest.jsonobserved bc4298459bf8c55a5a85f3688160c73e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:15.579305Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072441/publication.mdobserved ba29502c6f1735437559641da543506d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:22:15.558026Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000072441/publication.txtobserved 7681c90a443e019f43400650221dfdaf...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. |
|---|