OT-2026-000031884
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000031884) never changes.
Identity and time
| Publication number | OT-2026-000031884 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-710f-8e10-2bd60c4db03b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:20.739935Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000031884 |
| Status | PUBLIC |
Content hashes
| Canonical text | e5fd07968786673b3170e827a55d69cbcc4c8673314b9fe2c732f6558cb8176f |
|---|---|
| Markdown | 0916fdd0f4568f90b79f247773f96604b0316b764a448a3aeecda3491cacc273 |
| Publication page | 8c8346cc77dfc3d658db4f24c55ef89839300e58d2d28bd0aa2fc73f59700f83 |
| Manifest | a1ae2a720a71d3a9d3ad04b28262b159ecaa828db19255213dd88684b889f70c |
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 | Xwobmmp6G1JDswoAE0or9Hxo/Dx7beSwlHkMi3ztLxDpU18aebsbQ+eoo1GCtw+zGfD3kVbiqPyxRCmmNFh8AQ== |
| 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
| 2026-09-17T11:35:08.943993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031884observed 8c8346cc77dfc3d658db4f24c55ef898...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:08.925106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031884/manifest.jsonobserved a1ae2a720a71d3a9d3ad04b28262b159...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.907150Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031884/publication.mdobserved 0916fdd0f4568f90b79f247773f96604...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:08.888838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031884/publication.txtobserved e5fd07968786673b3170e827a55d69cb...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. |
|---|