OT-2026-000029936
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000029936) never changes.
Identity and time
| Publication number | OT-2026-000029936 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7d8f-a4e2-baf718ce3f3f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:11.501096Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029936 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7fc6de7983a381c80d1a51ae58f6d200ca2af54e1ec440cc41474ff7174931dd |
|---|---|
| Markdown | f5618c005527441b76b98f0f2243d68d4b4dd31589de56597d778da0011959af |
| Publication page | 64cb2e83203a44839eb8079a5c56ea19b3ee500b55e0767df735a5b90380b6ed |
| Manifest | 21739dab0323a752816a4fc8e9c45b5756fc9e2dc88f69bd151f48bf37425164 |
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 | 0+urmkj8RVLzUR6ttLBdJX4ST2dfF2Gd0sz1oZBRLB5AvOSAx6Fglgg8ekrbPtIBsiVaUZHGfKS0wuiIqBGdCg== |
| 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
| 2026-09-17T11:38:38.821224Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029936observed 64cb2e83203a44839eb8079a5c56ea19...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:38.804817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029936/manifest.jsonobserved 21739dab0323a752816a4fc8e9c45b57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:38.788796Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029936/publication.mdobserved f5618c005527441b76b98f0f2243d68d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:38.770817Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029936/publication.txtobserved 7fc6de7983a381c80d1a51ae58f6d200...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. |
|---|