OT-2026-000090428
Publication integrity record
Three bellows cup vacuum gripper, three zone face, pump fed, pressure sensor per zone, 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-2026-000090428) never changes.
Identity and time
| Publication number | OT-2026-000090428 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2e-7366-b695-912f383d2e52 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090428 |
| Status | PUBLIC |
Content hashes
| Canonical text | be5e3303e2975721b7d0782855f8c24546950f2dba133881b954d03de0fca1be |
|---|---|
| Markdown | cba035336ae29ded5f3b8691eba4a1d7ea5fdc10f65605be53f4042bbeab528b |
| Publication page | 882d8f7073101f5f45d94df1f66c581bce7fddba0cf3dee777e773f5926321ec |
| Manifest | 9a45f37cc69295e3c4cbf9541f9254b4bf3ad083fa16fdf5c1fa50ff9902cd0d |
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 | d6f70oVaqWuBDdP2F9Z29y0O9u2RlxI/qeJsjdJgHeiiAFl8UklYXiEygw30DWksGj4WA9Jf/hwo1Zd6CuaVBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:32.752516Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090428observed 882d8f7073101f5f45d94df1f66c581b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:32.736360Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090428/manifest.jsonobserved 9a45f37cc69295e3c4cbf9541f9254b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.719374Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090428/publication.mdobserved cba035336ae29ded5f3b8691eba4a1d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:32.702627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090428/publication.txtobserved be5e3303e2975721b7d0782855f8c245...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. |
|---|