OT-2026-000028975
Publication integrity record
Four cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000028975) never changes.
Identity and time
| Publication number | OT-2026-000028975 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-71b5-89bf-6c851c7fec9e · 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-2026-000028975 |
| Status | PUBLIC |
Content hashes
| Canonical text | 054ca14659ab1ac01abbdaf83549b37e0f0f05762266471b51ffc0293e8d58c6 |
|---|---|
| Markdown | 7928ecc675ff4f19ffe11b1273ac9f52240abf2157664d5ddca06590aefbd56c |
| Publication page | 815e0672129cc507023e5ea278eb8d3ea9fda8a8b521aad1a37a1755b8b415ed |
| Manifest | d213d5e2c241180f4232c4a03fbeecff50fa85dc79a74015aa07d18a8b7f16e4 |
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 | gHHvgkHufnm/QP1G1EaTiKMjPnYDj+VBWdOta3MZbQkDPp2kHj8bfQEV2blg/VhEqc/Tdppy7V3E7icTIa1WBg== |
| 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
| 2026-09-17T08:20:29.520411Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028975observed 815e0672129cc507023e5ea278eb8d3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:29.502160Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028975/manifest.jsonobserved d213d5e2c241180f4232c4a03fbeecff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.483461Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028975/publication.mdobserved 7928ecc675ff4f19ffe11b1273ac9f52...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.464791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028975/publication.txtobserved 054ca14659ab1ac01abbdaf83549b37e...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. |
|---|