OT-2026-000056728
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000056728) never changes.
Identity and time
| Publication number | OT-2026-000056728 · never reused |
|---|---|
| Internal UUID | 01a0ae87-7af6-7b98-ba7b-59ff2afc7e28 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:49.577818Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000056728 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b72fbbffbd0f8460ad91d7c7b2b4acdf98af49ee80bc59aff9de07152d573d1 |
|---|---|
| Markdown | f02215d11f9ea46e1c73439b69ad9c6b883454fa364d41699240853346a0d07c |
| Publication page | e42a63b2c49286cb8abe6e5f3d57c76cde6a3c2e8ffbc5fa1592517ee5a2949c |
| Manifest | 327a5d2079964fbc73ec3038cf521eeeed32464cff7f6f9cdbb2a76e58a51626 |
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 | opPZEbfGBZODtOZF5gD0eBhEqPrIYiFTZvBxLslBE5QQYpCzUojS10JaujGh82VcE+XcR2PduY78b2JWFgWoBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:50:09.425963Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056728observed e42a63b2c49286cb8abe6e5f3d57c76c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:50:09.409112Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056728/manifest.jsonobserved 327a5d2079964fbc73ec3038cf521eee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:09.390527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056728/publication.mdobserved f02215d11f9ea46e1c73439b69ad9c6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:50:09.359121Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056728/publication.txtobserved 4b72fbbffbd0f8460ad91d7c7b2b4acd...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. |
|---|