OT-2026-000028971
Publication integrity record
Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed 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-2026-000028971) never changes.
Identity and time
| Publication number | OT-2026-000028971 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7884-b707-14711727bc04 · 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-2026-000028971 |
| Status | PUBLIC |
Content hashes
| Canonical text | 12ad2581844dc67a36533b4adf6991b2b9ecd7a1930657e2d72873063b47acdb |
|---|---|
| Markdown | 6f5a39414f45d24a65cbc55c70e0e6efe840c1924e4343df1a5ab58854b62b3b |
| Publication page | 06fb3fd17874a9f43c5f7c1f75b02cf9890a1b7c7df4935b7c1e79bc0134bc7f |
| Manifest | 1f1ef6eededa0cf2de000fe2a953666dc742118c50b82d40a15e4be9467c71a8 |
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 | N2se8lMdeUoxB32Jg9dytXZZnU2HdV0qjpGd/22IAuLDyI8BEqv6VIl85C2hgdv2bki/2opYtr04JftyvEaOCg== |
| 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
| 2026-09-17T08:20:28.976237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028971observed 06fb3fd17874a9f43c5f7c1f75b02cf9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T08:20:28.958693Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028971/manifest.jsonobserved 1f1ef6eededa0cf2de000fe2a953666d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:28.939184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028971/publication.mdobserved 6f5a39414f45d24a65cbc55c70e0e6ef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:28.796162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028971/publication.txtobserved 12ad2581844dc67a36533b4adf6991b2...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. |
|---|