OT-2026-000028177
Publication integrity record
Three cup vacuum gripper, three outlet manifold, single 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-2026-000028177) never changes.
Identity and time
| Publication number | OT-2026-000028177 · never reused |
|---|---|
| Internal UUID | 01a0ae72-a520-7b12-be84-b48c842a90ca · 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-2026-000028177 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0aa2996194050d0659aee2a2bb5ad8c37de1d78b1832d79f49fb16fcc203e0f6 |
|---|---|
| Markdown | f4ffd46e8216d4d6f6da422158add1f3107436cd9a2047483d165cf96ebaccaa |
| Publication page | 93f26e3cf62fa463f7a2a5def0b2094725f41cc083f40865a27784a7ea07fef1 |
| Manifest | 3427f858da36bd364c9fece73a835640b1b178b420265132197210249662bb03 |
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 | SUHaChjx6aNr6bx9nWV5G4KGM0Z6FoOTslV7fes1aYRF7LLuJUnFQKSsP9XROLI7Y1+BAPTNB/XC2Oivfc7TDA== |
| 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
| 2026-09-17T11:42:32.074542Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028177observed 93f26e3cf62fa463f7a2a5def0b20947...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:42:32.058262Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028177/manifest.jsonobserved 3427f858da36bd364c9fece73a835640...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:32.042154Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028177/publication.mdobserved f4ffd46e8216d4d6f6da422158add1f3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:42:32.018655Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028177/publication.txtobserved 0aa2996194050d0659aee2a2bb5ad8c3...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. |
|---|