OT-2026-000028928
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, pump fed, sustained blow-off before set-down
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-2026-000028928) never changes.
Identity and time
| Publication number | OT-2026-000028928 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9d-7f60-9547-970c43496cbf · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4b9dece3e982fde5068779aafc3fffc04b6cc84d1a5e82fd932c3666f1adf769 |
|---|---|
| Markdown | 5b469873f43cbb5316adb4850095d43c8a4d1ff72fb59b99c8b2a5f021f779ff |
| Publication page | d74fe6f26475958134b3ce9f470470fc80edb1ef7b855294906a1d90b60fb632 |
| Manifest | e582dfd5b20c612c132b3cbe6aee58cb5f75cfadd0372fcf502245ae823206da |
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 | tlawZJ9T6x1HgtLwBAjI19oWhGQdRS3tG3YSiApqBPemOcwPFhuPs6xWOz9XB6HyO8CQJElDp5bClHj90QTTBg== |
| 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
| 2026-09-17T08:20:21.928977Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028928observed d74fe6f26475958134b3ce9f470470fc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:21.751338Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028928/manifest.jsonobserved e582dfd5b20c612c132b3cbe6aee58cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:21.733709Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028928/publication.mdobserved 5b469873f43cbb5316adb4850095d43c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:21.682194Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028928/publication.txtobserved 4b9dece3e982fde5068779aafc3fffc0...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. |
|---|