OT-2026-000013991
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000013991) never changes.
Identity and time
| Publication number | OT-2026-000013991 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8dea-7d52-8edb-0de25f8dea79 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000013991 |
| Status | PUBLIC |
Content hashes
| Canonical text | 99fa0433277b091ca6aefdb6a22f2bf2b2b1d8b66d22742a3639475814c58239 |
|---|---|
| Markdown | b5f9240f458591e7bb1f2864c5b4a92b43a652a87e5a4db4dd16f584cdfa2a98 |
| Publication page | f67f56d6e40cc05673586633cd357e9c1be10e7a4efc0849275a6598b924a824 |
| Manifest | 25c95030f0e22d7cee26672143b7379a5106a3a09cb008afdfadc30694d3fd92 |
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 | 1z2Nej1o/VCX3cnbw1HCOeO3Y7IcIGXfinIOv6go/t+knuKTeDNBSbIZD7gn5a0paNx/gglL+Sa8JQe6CcM7Cw== |
| 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
| 2026-09-17T12:09:12.566314Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013991observed f67f56d6e40cc05673586633cd357e9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:09:12.549220Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013991/manifest.jsonobserved 25c95030f0e22d7cee26672143b7379a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.530968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013991/publication.mdobserved b5f9240f458591e7bb1f2864c5b4a92b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:09:12.511356Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000013991/publication.txtobserved 99fa0433277b091ca6aefdb6a22f2bf2...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. |
|---|