OT-2026-000030548
Publication integrity record
Four bellows cup vacuum gripper, four 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-2026-000030548) never changes.
Identity and time
| Publication number | OT-2026-000030548 · never reused |
|---|---|
| Internal UUID | 01a0ae73-e505-715e-97c3-c1e6862c5339 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:26.007257Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030548 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7209d0ad2fe6bcaae31bb8ee0c1a3ae6379ba4abe74f943b73aeb6930bcd319d |
|---|---|
| Markdown | 7431c822ae5536d922f45a83b0f58fef191b06f1ff74ec7f6c3fdb3d9ed22a40 |
| Publication page | 6b8c2b9c2b2886cfca6a3ccb13c1983bba6150ef92f5676b2fdd6c6d5fc02564 |
| Manifest | b2ea30ea5cc59ef5ae9da1c6a401ec2ba76012228694b0446799552af2ec1cc8 |
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 | LijSbqWAtLc7ejiKpcgRdJhx7y1yCRGosQVOXQPo1y9MrtM+B87I3nCbsEd+nrmqTxPV43V/IgxY3NwxOG+oCQ== |
| 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
| 2026-09-17T11:38:24.919135Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030548observed 6b8c2b9c2b2886cfca6a3ccb13c1983b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:24.900722Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030548/manifest.jsonobserved b2ea30ea5cc59ef5ae9da1c6a401ec2b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:24.883209Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030548/publication.mdobserved 7431c822ae5536d922f45a83b0f58fef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:24.865326Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030548/publication.txtobserved 7209d0ad2fe6bcaae31bb8ee0c1a3ae6...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. |
|---|