OT-2026-000031990
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000031990) never changes.
Identity and time
| Publication number | OT-2026-000031990 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad2-7f83-9a26-8bb196bddec0 · 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-2026-000031990 |
| Status | PUBLIC |
Content hashes
| Canonical text | d19671b8940b6372e6565228c0f5a87cf16f84663278087f121601d498b01e92 |
|---|---|
| Markdown | 389933514b7007dfffdeb89b19009ee4df8de4b3d448c5887a45cf8e46d537f5 |
| Publication page | ad601fb17af3ddc8c8218ae7cfb5e76ffc1140c575614bcda56ffe19df311a67 |
| Manifest | de5eec05ee0bd97a72bdc19342b95cfdf785fef54df60d225be469141f9b2021 |
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 | XzkHOwlbcKx/iT12GuxVOt3UZXG9dmNM1G1271mwCodqvwBPS6mFw1oLpXe02Crt5MlGjLF8vvH/bJOpgxJUCw== |
| 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
| 2026-09-17T11:35:23.215614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031990observed ad601fb17af3ddc8c8218ae7cfb5e76f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:35:23.193768Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031990/manifest.jsonobserved de5eec05ee0bd97a72bdc19342b95cfd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:23.173824Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031990/publication.mdobserved 389933514b7007dfffdeb89b19009ee4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:35:23.156644Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031990/publication.txtobserved d19671b8940b6372e6565228c0f5a87c...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. |
|---|