OT-2026-000089172
Publication integrity record
Three bellows cup vacuum gripper, three zone face, six outlet manifold, 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-2026-000089172) never changes.
Identity and time
| Publication number | OT-2026-000089172 · never reused |
|---|---|
| Internal UUID | 01a0ae9b-db00-7f55-bd49-ae0cdbeb0a81 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:04.880043Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000089172 |
| Status | PUBLIC |
Content hashes
| Canonical text | f4b0be0bc5384e9a3ec3d8a3e4d50c369f7f064c09209691bbff12276f90b929 |
|---|---|
| Markdown | 96af7e2c00b723a6db4836adc623fc56bd3310f6656da1308287667ff3655b58 |
| Publication page | b337387477734ac8d58679a358ef30640cde7162a13cc9f91bda272267659304 |
| Manifest | 8ef577796b51ac14830c0a5359e389c6ed127b3f0c9598644012d56e354526f1 |
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 | vEmsQBabtC7En6B00MpGq4Jit6wJJ3VHeB8Qctw4vaSyxUqKjF3jmRFcxYWDikWwFvwxH979qOynvsfHugkhCg== |
| 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
| 2026-09-17T09:47:10.907152Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089172observed b337387477734ac8d58679a358ef3064...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:47:10.890034Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089172/manifest.jsonobserved 8ef577796b51ac14830c0a5359e389c6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:47:10.871984Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089172/publication.mdobserved 96af7e2c00b723a6db4836adc623fc56...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:47:10.852956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000089172/publication.txtobserved f4b0be0bc5384e9a3ec3d8a3e4d50c36...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. |
|---|