OT-2026-000028732
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-2026-000028732) never changes.
Identity and time
| Publication number | OT-2026-000028732 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7e19-b3f8-b48db854e9f0 · 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-2026-000028732 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9f4fbd7953a1bbc000e71f114b9920772edafced6656ba31c534315a8f54223 |
|---|---|
| Markdown | db37dba9a109217f7fe248b87c2187da36af30dbcd5b150472866fe201a0e8b2 |
| Publication page | 2dfc616e61208282d7e91d259498c6242acef34943ef4c2558f47e5c05370a47 |
| Manifest | f8d6f1d0d53fe37a15c08f7f7c5c03917f6d8847709ac7b85febd6e240027035 |
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 | nrlSItBAOtQ6u+iDGalt/jv4R4RTCDJVHYBB2Oe2DR3X5/TJ4LE+fzJKHf8iQvnuNVaO44IJQId6/lBObpUwAA== |
| 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
| 2026-09-17T11:41:44.685196Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028732observed 2dfc616e61208282d7e91d259498c624...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:44.664524Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028732/manifest.jsonobserved f8d6f1d0d53fe37a15c08f7f7c5c0391...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.644471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028732/publication.mdobserved db37dba9a109217f7fe248b87c2187da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:44.625038Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028732/publication.txtobserved d9f4fbd7953a1bbc000e71f114b99207...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. |
|---|