OT-2026-000008575
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, vented after 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-2026-000008575) never changes.
Identity and time
| Publication number | OT-2026-000008575 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46b-7956-9836-3903aa897956 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:10:36.030441Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000008575 |
| Status | PUBLIC |
Content hashes
| Canonical text | c9531c15c406273dbb55aa811f38da16c0d7943c6e07239a0568d1a9450b75f2 |
|---|---|
| Markdown | d4dde20633bd986359b1079e0a32b23d77940cfc40a26b3ab7fad40d5a24c6cc |
| Publication page | d9b5660f275cf9762706717eefca64fdfd95eb7ad18fddf19a081ab380b0f419 |
| Manifest | 16f1245bf24981ca4a944ca0b10a35e002873e2f1ea932c60bccf8c33460f3d1 |
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 | SfkofVMF3XMZZ5iRoxDZgLBVSafNeuinsY/tZAilekhq8PkPelD0F4gPeSLgptk02itiA23/p1uOsid4/ipXAw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:27:08Z batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof root 20fdfaa98ae3657e4211fd7783095876... |
|---|
Independent retrieval
| 2026-09-17T12:18:31.206429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008575observed d9b5660f275cf9762706717eefca64fd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:31.187386Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008575/manifest.jsonobserved 16f1245bf24981ca4a944ca0b10a35e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:31.167756Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008575/publication.mdobserved d4dde20633bd986359b1079e0a32b23d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:31.148995Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008575/publication.txtobserved c9531c15c406273dbb55aa811f38da16...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. |
|---|