OT-2026-000020980
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000020980) never changes.
Identity and time
| Publication number | OT-2026-000020980 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-65e4-7812-9b31-747d73340ee5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:31.316024Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020980 |
| Status | PUBLIC |
Content hashes
| Canonical text | f65966a7f503fd7fd523110cd6b4c209a94deab6f41b7fb8a677a14a5c23bac1 |
|---|---|
| Markdown | dbcb8481e779b68f5cf3131dea53ea90cf3a5d27cb7e304c68675616084f823e |
| Publication page | 9bf1542bee97592bfdbee39e34ec7acd6ee24f1e31a4141fff3d40ae523b5bf1 |
| Manifest | 76fe6b1783c29be3b8855bfcfc073d9012f1c8f47f7208f9945438b7592f9f3b |
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 | qiUUFf/ahK0sVrLFndflsSxTtzmSaNZ7BuimUnVKrdALERiic7ACFkPjNpjKzce1YKtD0X8tPscJIKBmCrpSAA== |
| 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
| 2026-09-17T11:56:07.700527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020980observed 9bf1542bee97592bfdbee39e34ec7acd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:07.682289Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020980/manifest.jsonobserved 76fe6b1783c29be3b8855bfcfc073d90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.665430Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020980/publication.mdobserved dbcb8481e779b68f5cf3131dea53ea90...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:07.646960Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020980/publication.txtobserved f65966a7f503fd7fd523110cd6b4c209...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. |
|---|