OT-2026-000087974
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, supply line pressure sensor, sustained 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-2026-000087974) never changes.
Identity and time
| Publication number | OT-2026-000087974 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-1aa6-7744-a064-10139f7f552a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:03:15.638297Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000087974 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6b15fa9d8b167e4e66924b7991411086ac4c916f22e42333e03a79a7578f461c |
|---|---|
| Markdown | c2437bdad09c94eacc218cbda98a30937b7bffb465e52d449cc7e59e4e881d3e |
| Publication page | 4fb200faf0e7c31c05edf938365471ef44b62a63531ecf7af20e7065b1fc7e82 |
| Manifest | 26bb9f02a6f43c5f5d5c0d36e992e8f6c0640d553fec56ca43e6eaf0d7a046b6 |
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 | p+oIQAg572d4mBfBy+gjaqa7JANqBm7dhX8KTEEt7WPqYkjBdMNvg59Xpy8H2+oML0KYmsw8XziLWcKC3r1tBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:49:16.221118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087974observed 4fb200faf0e7c31c05edf938365471ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:49:16.202781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087974/manifest.jsonobserved 26bb9f02a6f43c5f5d5c0d36e992e8f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:16.185796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087974/publication.mdobserved c2437bdad09c94eacc218cbda98a3093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:49:16.168194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000087974/publication.txtobserved 6b15fa9d8b167e4e66924b7991411086...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. |
|---|