OT-2026-000023874
Publication integrity record
Foam pad vacuum gripper, 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-2026-000023874) never changes.
Identity and time
| Publication number | OT-2026-000023874 · never reused |
|---|---|
| Internal UUID | 01a0ae70-aed6-7daf-a341-197be40ed5da · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:55.528856Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000023874 |
| Status | PUBLIC |
Content hashes
| Canonical text | f7901f42da0507637097895039639c79e3fcdefb105f5d5de8d8111ca6fabfae |
|---|---|
| Markdown | e063981630628c634f68386a72d39950bc201528d13b857d0e001ce9a9a20e24 |
| Publication page | 31b8860ad35c663cb97ee6f73afaa6fddd97162322e07a12319a921d017bb499 |
| Manifest | a1e5ae4687466babc59426205397073e58c100f6e6bf9014d06e495849bd461e |
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 | 1XwJm/Y54xxv7g05jvZ62dGefxN1e4HUC0oKD7FTR7Qx7CYR/EdI3ieaNgfpyRJ93tbp0lbxP1QfQCiiXzFgCg== |
| 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
| 2026-09-17T11:50:28.913323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023874observed 31b8860ad35c663cb97ee6f73afaa6fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:50:28.894824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023874/manifest.jsonobserved a1e5ae4687466babc59426205397073e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:28.875393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023874/publication.mdobserved e063981630628c634f68386a72d39950...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:50:28.854332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000023874/publication.txtobserved f7901f42da0507637097895039639c79...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. |
|---|