OT-2026-000050621
Publication integrity record
Four cup vacuum gripper, four outlet manifold, pump 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-2026-000050621) never changes.
Identity and time
| Publication number | OT-2026-000050621 · never reused |
|---|---|
| Internal UUID | 01a0ae82-5c4a-7a95-a711-ecf12a767164 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:36:14.042293Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000050621 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5ed7385c106d4d0b08fc24e36418c1fafbb3fe4d8f71db71263c683b41a6925b |
|---|---|
| Markdown | 9889105a02133636ec00e840ed97617813d20ca6a5f9f48dd490e1972299a52e |
| Publication page | c043a6a9ac0ea40bb6da2659c69fe355adc1e705d0b9589010cebbfb5f05ed7e |
| Manifest | 559f8b43e04a47bffb5101bb3a819b9ed32c3354086fbeb35b6cc0db37981544 |
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 | YwRQkKZVoRnpY11e6dkRoph5EJbgfQ95bklKsxmbMDcEBfeZXJshAdzZtVfXx5dW2hPchAwkLNwFrwUFT8auCQ== |
| 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
| 2026-09-17T11:01:44.021921Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050621observed c043a6a9ac0ea40bb6da2659c69fe355...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:01:44.004137Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050621/manifest.jsonobserved 559f8b43e04a47bffb5101bb3a819b9e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:43.984758Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050621/publication.mdobserved 9889105a02133636ec00e840ed976178...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:01:43.964229Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000050621/publication.txtobserved 5ed7385c106d4d0b08fc24e36418c1fa...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. |
|---|