OT-2026-000028497
Publication integrity record
Two cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000028497) never changes.
Identity and time
| Publication number | OT-2026-000028497 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2f8-74c6-9fb5-e3094f01f184 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028497 |
| Status | PUBLIC |
Content hashes
| Canonical text | 330ae7581c2cea272c9ae002af1ea4d252096ebdc2628b0b0a83043f50ffcbef |
|---|---|
| Markdown | 340fddaf2d20ad0838cfb9480ca19b809718d19923d34f5b845214a8e593c198 |
| Publication page | 12be9a65300527e6b814d791e43005e7ba73f31849b450a83dc7b9a0a63bbbbe |
| Manifest | 109d912dad1d99cf24931e3125b6260c9829044aa8fac10e4215cb83c7f96224 |
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 | FPXjobiaEx2SGE+ma2vxjnjlQzhgS8ofJlFkCTGGan2ZD6xji/dnrfDokB8D8vmlMxG6BL2RiyfscHPHGJBuDQ== |
| 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
| 2026-09-17T11:40:45.511199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028497observed 12be9a65300527e6b814d791e43005e7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:40:45.494219Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028497/manifest.jsonobserved 109d912dad1d99cf24931e3125b6260c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.459699Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028497/publication.mdobserved 340fddaf2d20ad0838cfb9480ca19b80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:40:45.422213Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028497/publication.txtobserved 330ae7581c2cea272c9ae002af1ea4d2...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. |
|---|