OT-2026-000031812
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000031812) never changes.
Identity and time
| Publication number | OT-2026-000031812 · never reused |
|---|---|
| Internal UUID | 01a0ae74-bad1-7326-8ed3-4761b7e1458d · 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-2026-000031812 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0f3163ea33d97e5214b13940d976a71656cbc07c667e5dfb3caf4f6d633e934e |
|---|---|
| Markdown | c408c9219f860b44c29b87bca49a5f1e8943c819cf47451e35078a1cba5b7530 |
| Publication page | a84c3def88a6ed19c80695f017ead12b4dd9fde0421bd4d35bb491abcfd04fbb |
| Manifest | 5724c5d9531f33481aa43139f02b0944fe0382d5efb6edf071ff2c2d3e81e102 |
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 | 0M1cftGX2BqXcPPbr0v/AVKisITx6q2ANByS1RhbuiqyQ1YU8VIXhXHWWrjFSCA18V8F9+fnDXY7Tvn7/Fw8Cw== |
| 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
| 2026-09-17T11:34:58.206218Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031812observed a84c3def88a6ed19c80695f017ead12b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:58.174501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031812/manifest.jsonobserved 5724c5d9531f33481aa43139f02b0944...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:58.152438Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031812/publication.mdobserved c408c9219f860b44c29b87bca49a5f1e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:58.131500Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000031812/publication.txtobserved 0f3163ea33d97e5214b13940d976a716...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. |
|---|