OT-2026-000031564
Publication integrity record
Single bellows cup vacuum gripper, plant vacuum 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-2026-000031564) never changes.
Identity and time
| Publication number | OT-2026-000031564 · never reused |
|---|---|
| Internal UUID | 01a0ae74-87af-7d55-8632-bdfdd137267d · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:07.653052Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031564 |
| Status | PUBLIC |
Content hashes
| Canonical text | 35956f3659299a5cbc3a4ab95f1f213de05b15340675ffcb2a09f03f83f6f8de |
|---|---|
| Markdown | 5898de8208a8fee2a33e90fae979745e46a9435ec12dda3502114b8f3f39fdc1 |
| Publication page | 59915b5f363d2470bb258ebd5f0e632df5bce379fc1c3d73f68a6cd04419192b |
| Manifest | 54ca426894d8cf7884bbe6e93f3d276f740f5302fe76f665832f63d123683b07 |
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 | Or2Nr2s8ayJ9wh177khTCBd6BoL3lt+Rr58oM9FveQeaMh1umjjEkkmkqcDbD1Rvw5b8ix6cvOkfGbm0lgo7CQ== |
| 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
| 2026-09-17T11:36:24.750211Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031564observed 59915b5f363d2470bb258ebd5f0e632d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:24.731420Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031564/manifest.jsonobserved 54ca426894d8cf7884bbe6e93f3d276f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.712991Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031564/publication.mdobserved 5898de8208a8fee2a33e90fae979745e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:24.694582Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031564/publication.txtobserved 35956f3659299a5cbc3a4ab95f1f213d...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. |
|---|