OT-2026-000028744
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, pump fed, 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-2026-000028744) never changes.
Identity and time
| Publication number | OT-2026-000028744 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-75d6-b163-43b64f1c11dd · 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-2026-000028744 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c85fd5c1a9791755f542e0bc45cb3fd16c9cf97473993a11d543ef957c7a933 |
|---|---|
| Markdown | 3b6ef8326086043d7811c512a3450120b479bb040c762752e610fac59ade14b3 |
| Publication page | aaf00327f326a848bdbd50c0111c987fd6e5f06e9c39e212b4d22729e4ea87fa |
| Manifest | 2eee82a808d15f5a9ed7dc5d5502fd7d3e437edae16a774f9601753354b81ee7 |
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 | a2Ti30EMqjwdnH2gEd5VS+a8/PW4qdlV/edT87ZOywnpcTH7qxT5rE35OsUhHBBcax1YHcnYiV0TPWXAubvcCg== |
| 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
| 2026-09-17T11:41:45.701273Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028744observed aaf00327f326a848bdbd50c0111c987f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:45.683962Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028744/manifest.jsonobserved 2eee82a808d15f5a9ed7dc5d5502fd7d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.663151Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028744/publication.mdobserved 3b6ef8326086043d7811c512a3450120...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.643595Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028744/publication.txtobserved 4c85fd5c1a9791755f542e0bc45cb3fd...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. |
|---|