OT-2026-000008427
Publication integrity record
Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000008427) never changes.
Identity and time
| Publication number | OT-2026-000008427 · never reused |
|---|---|
| Internal UUID | 01a0ae6a-e46a-7abc-a644-8220af9fdc5e · 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-2026-000008427 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5505516a0ffd91443a48f6db7bd542eb0dc46e267c5ace359cbc047d20e5974e |
|---|---|
| Markdown | f91e6df48c29f07207fea9109a0fb45038eb970ef73f661bfadd35cd97e19561 |
| Publication page | e31ed15ec806cdc725b8086967cad364b432c05b3fd3395eedd1c8cf90ea94e4 |
| Manifest | 3bba26a80ebb05436f9e3e7e84e63863850f8ed80721b303e46006e7e43abdba |
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 | +ZSjG0BAAJSANxozxskLk6rSNSrKdj02VLVk4Fh6AKF8AfUQUBoh0YBPHGr8/wt/4Q0olJ8YbzGIhT8EuvALAw== |
| 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
| 2026-09-17T12:18:16.988037Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008427observed e31ed15ec806cdc725b8086967cad364...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:18:16.959117Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008427/manifest.jsonobserved 3bba26a80ebb05436f9e3e7e84e63863...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:16.916830Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008427/publication.mdobserved f91e6df48c29f07207fea9109a0fb450...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:18:16.860245Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000008427/publication.txtobserved 5505516a0ffd91443a48f6db7bd542eb...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. |
|---|