OT-2026-000028056
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000028056) never changes.
Identity and time
| Publication number | OT-2026-000028056 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a51f-7ba1-87c8-8fefb85f4ef0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028056 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86fa7f07fde24dd7520ceede684ceacf3057a3ab0a8f3ba0e468385e22229510 |
|---|---|
| Markdown | 83f9a44663c3d9477c272114f6279c56ca5ec352700290637ab6fe1f960478da |
| Publication page | 440a097683bbbd45c85bc66921e7c1b0a2c78d730d5101ba55b903bb25708b28 |
| Manifest | 966fd4aa91da7d2a7070609cc417f7becff2ba65e16e28d0b1e7defa760b858d |
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 | fnP1APWAzc259kdONYUBGS3iffaw4lXYfelXA3TXk/CDYtbvQAMGvvX2DX3gZ4KP7i5g5HnJ92B8fmLDt7ryDw== |
| 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
| 2026-09-17T11:42:23.372930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028056observed 440a097683bbbd45c85bc66921e7c1b0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:23.356839Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028056/manifest.jsonobserved 966fd4aa91da7d2a7070609cc417f7be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.339324Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028056/publication.mdobserved 83f9a44663c3d9477c272114f6279c56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:23.315647Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028056/publication.txtobserved 86fa7f07fde24dd7520ceede684ceacf...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. |
|---|