OT-2026-000028720
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000028720) never changes.
Identity and time
| Publication number | OT-2026-000028720 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7d9e-be3e-d1aef5703bea · 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-2026-000028720 |
| Status | PUBLIC |
Content hashes
| Canonical text | d4cc59c06b9e15002adda1e9715f8932883849164a1a33499880594702aabe1b |
|---|---|
| Markdown | 09deb49a0303c8a3cf5f58b6307e9b55370b42ac215b9b0d93cd25482dc1b9b3 |
| Publication page | eb444f3926b53dd0122037854ebc0ce54af1f403b238901a1ee6a3c29faa17b0 |
| Manifest | 85e7c26e7d34427dba4409bb051ef8c04c3e23ab6902009d3486adca06c1f57c |
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 | 9IFyljJvyCe7nQ6z1ebxexAepbtgIQW+15stzucgvHv+i48uiCO/iPDnTlwKH0s56fW941QP/vRBayEoHd1HAg== |
| 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
| 2026-09-17T11:41:43.816319Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028720observed eb444f3926b53dd0122037854ebc0ce5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:43.793952Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028720/manifest.jsonobserved 85e7c26e7d34427dba4409bb051ef8c0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.774139Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028720/publication.mdobserved 09deb49a0303c8a3cf5f58b6307e9b55...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:43.753346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028720/publication.txtobserved d4cc59c06b9e15002adda1e9715f8932...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. |
|---|