OT-2026-000031961
Publication integrity record
Single cup vacuum gripper, plant vacuum fed, pulsed blow-off after 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-2026-000031961) never changes.
Identity and time
| Publication number | OT-2026-000031961 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7994-ac73-6cb652aec3b9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031961 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6178036983507d81461e2e6fdde18801a7a4f36ca8267bb1f116bcd72d5b525 |
|---|---|
| Markdown | df81eeba70d3f7b3a3f1edcf2f45f23e3a0496b6c7d96fe2cc7965de41646a52 |
| Publication page | 330f33c6626af0a5c463940296c8d4e2811dd0262a4079334175b74b66259839 |
| Manifest | 3d5e465b26ac63d5d6708a22e01abed56c9e17fed8f08a23b2bf1f923c435793 |
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 | 800p9igJsIKrHpkSaHZhRHl5GNQ6DRDQiucf6VscmsLW15GlpuORvNQi5jK7kEqCrM3aDbwP+ryDdF1i4XOfBQ== |
| 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
| 2026-09-17T11:35:15.152790Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031961observed 330f33c6626af0a5c463940296c8d4e2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:15.012311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031961/manifest.jsonobserved 3d5e465b26ac63d5d6708a22e01abed5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:14.988548Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031961/publication.mdobserved df81eeba70d3f7b3a3f1edcf2f45f23e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:14.967075Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031961/publication.txtobserved c6178036983507d81461e2e6fdde1880...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. |
|---|