OT-2026-000021556
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000021556) never changes.
Identity and time
| Publication number | OT-2026-000021556 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7985-9dc6-0291d25306a6 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021556 |
| Status | PUBLIC |
Content hashes
| Canonical text | 2d410afdb425af407fa27113861aba694826253363eb25003905ea572d47a1ef |
|---|---|
| Markdown | 9be1ff0cab75de3a3b7156eed4382211572e7998bf95c88b6db896542d68aefa |
| Publication page | 9ea0dbd622b6fbf9665461624b29a5a15a7036e579de5f1228b351eda0fefc17 |
| Manifest | c5dbc0e20cc0da06769950b80dd4b79651c57235eac84da150442aa883665aec |
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 | uYCkde5I170zg10mYOPTeOwOlTxDUYkF6/t6L5MuMgka7hqZM0VU5Sx8fkX0D+hZJ9YRkAhvBR72xThHxM9YDg== |
| 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
| 2026-09-17T11:54:50.869133Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021556observed 9ea0dbd622b6fbf9665461624b29a5a1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:50.850115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021556/manifest.jsonobserved c5dbc0e20cc0da06769950b80dd4b796...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.826169Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021556/publication.mdobserved 9be1ff0cab75de3a3b7156eed4382211...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:50.806769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021556/publication.txtobserved 2d410afdb425af407fa27113861aba69...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. |
|---|