OT-2026-000012520
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, pump 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-2026-000012520) never changes.
Identity and time
| Publication number | OT-2026-000012520 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-39f7-7ff9-acf7-7321e06f264e · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:08.998406Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000012520 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6831571261ff486c3d0068a8b4d9c5eb1d5ced6662d588155a947a06fced77d3 |
|---|---|
| Markdown | e3e6353d0294df6293f18abc243594e33cf4c869660ed04fb6ef1bf085c1ee37 |
| Publication page | 502a4a691b2f31612ecbbea0f30d7d02da0bbd6918af97718950190ea6348d02 |
| Manifest | aff362d34fbe23324e58c85151d4808800d48b1d70a009844448f09a3661d287 |
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 | 1hNNaM7e+iej/m6KMFtN9AjLaeTJM+/eyHzzUfDqT8huV5iV4r2YBYg3DhrmOx5GkCCtrDfzefTBhlVXvecVCQ== |
| 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
| 2026-09-17T12:12:02.608530Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012520observed 502a4a691b2f31612ecbbea0f30d7d02...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:12:02.589475Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012520/manifest.jsonobserved aff362d34fbe23324e58c85151d48088...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:02.570001Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012520/publication.mdobserved e3e6353d0294df6293f18abc243594e3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:12:02.549216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000012520/publication.txtobserved 6831571261ff486c3d0068a8b4d9c5eb...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. |
|---|