OT-2026-000021690
Publication integrity record
Two pad foam vacuum gripper, two outlet manifold, plant vacuum 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-2026-000021690) never changes.
Identity and time
| Publication number | OT-2026-000021690 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb59-7548-93b0-fd6855390749 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021690 |
| Status | PUBLIC |
Content hashes
| Canonical text | 3b824f49fc2ecd91bb23c7ecd8ef29c9756af6292735a9463b4b7e747f0998ea |
|---|---|
| Markdown | 9c9ae5b37746edab5d5efb08dedf43fa65075fa1a3c50da663f265cfd8988b42 |
| Publication page | beb49bd0f97ff032dd5c89724c78a8d24004d530a0cca5ad0dfd6ffa54610967 |
| Manifest | 565816f5c81bed1621455c289109bdd4218a9c50ef8062409b6867954e5657c4 |
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 | 8VQ5Sy64U+EMVtC54BIYd7TSaX65Wx9VFasWVUqs5vrw5CQ+K6Y3CWvkqbEvH0wnNtyxF4UdcB3Ou5V171yxCQ== |
| 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
| 2026-09-17T11:54:13.516166Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021690observed beb49bd0f97ff032dd5c89724c78a8d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:13.499845Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021690/manifest.jsonobserved 565816f5c81bed1621455c289109bdd4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:13.481930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021690/publication.mdobserved 9c9ae5b37746edab5d5efb08dedf43fa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:13.462746Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021690/publication.txtobserved 3b824f49fc2ecd91bb23c7ecd8ef29c9...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. |
|---|