OT-2026-000028159
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000028159) never changes.
Identity and time
| Publication number | OT-2026-000028159 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-78a4-882b-78d25f515c4a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:04.113553Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028159 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87a02c373ec72a843d494dea405b20ba4aff6ba57d0a1f278a17dc4107fc27c4 |
|---|---|
| Markdown | e2e3a3956a4a725cc4955b675980540e534ab15bdb30f77ed4eaa8ebfc00bdae |
| Publication page | d32fd99d8d7f58c94a2d25a6ecf20a0d9fb71d127ac0f8b223c8219c619ca726 |
| Manifest | 16f6253745889f5f31e48710c61810c053a91fc466248154c4c1002e8fb81dff |
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 | WqIwsSgqle81HzOawS1earQk5NaOofZs4MuEI0JrO0p4CteWg0Yhgw3zu/8JkMSjqX+e3ariqUU1ex6cyYBbAg== |
| 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
| 2026-09-17T11:42:05.379114Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028159observed d32fd99d8d7f58c94a2d25a6ecf20a0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:05.354311Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028159/manifest.jsonobserved 16f6253745889f5f31e48710c61810c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:05.334236Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028159/publication.mdobserved e2e3a3956a4a725cc4955b675980540e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:05.312434Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028159/publication.txtobserved 87a02c373ec72a843d494dea405b20ba...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. |
|---|