OT-2026-000052445
Publication integrity record
Single cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000052445) never changes.
Identity and time
| Publication number | OT-2026-000052445 · never reused |
|---|---|
| Internal UUID | 01a0ae84-5739-73ca-a648-06859585536e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:38:23.819394Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000052445 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0d0e2374d0f3a5d7f0103e5e068e797beb4a5345058e04961bd8d4e7adcd8597 |
|---|---|
| Markdown | 0e556dd5a4041355fa1567e970a78101d218289b9b4f9aa52ca94a74176b7890 |
| Publication page | 653557113efdc9d1b7abdfdbe8460b341c9bdface3eff2635dfbaf677ee64b7f |
| Manifest | 9ed59520909d3e43775c80bae4155e15390aedc994271c99b36c1f783af384e8 |
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 | WI32weX8W1dz2r5+6WuVbytPxc6w/+FQYvmzDKl+Z3NmRJzaD1+yi3zjd5OGAaqKsdVxZwFOaIFMC7NGGz7zDQ== |
| 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
| 2026-09-17T10:57:04.052198Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052445observed 653557113efdc9d1b7abdfdbe8460b34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:57:04.035299Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052445/manifest.jsonobserved 9ed59520909d3e43775c80bae4155e15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:04.016294Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052445/publication.mdobserved 0e556dd5a4041355fa1567e970a78101...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:57:03.998329Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000052445/publication.txtobserved 0d0e2374d0f3a5d7f0103e5e068e797b...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. |
|---|