OT-2026-000019590
Publication integrity record
Foam pad vacuum gripper, 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-2026-000019590) never changes.
Identity and time
| Publication number | OT-2026-000019590 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-73d9-927f-551cf9851217 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019590 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87c64c305bcfbcf611fb78f48625367b41a55ec36ace3170ef1969c7ac26bbd2 |
|---|---|
| Markdown | 45af6051a6e7fc7bdf1e4cc2b34b0bef8960c17425ab38882c6548d4fa562cea |
| Publication page | f67a5b9ab737691cdc1aefbf42950d1eac820b819d26a559729a0cd9e6d786a7 |
| Manifest | 07b4a2c815ebcffe9edd149ef7a7f19be398ce14b776c8480275a8aa241ae862 |
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 | AOD0/pSF4PFBkdzhG8RUvH9+1KweMs2QEUMsu01gcDcR1Jq0pf64fpnNKBoPPFQyW0rtbcDzCqLAb5jkiC7eCg== |
| 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
| 2026-09-17T11:59:02.464147Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019590observed f67a5b9ab737691cdc1aefbf42950d1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:59:02.445178Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019590/manifest.jsonobserved 07b4a2c815ebcffe9edd149ef7a7f19b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:02.427377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019590/publication.mdobserved 45af6051a6e7fc7bdf1e4cc2b34b0bef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:59:02.411046Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019590/publication.txtobserved 87c64c305bcfbcf611fb78f48625367b...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. |
|---|