OT-2026-000029928
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-2026-000029928) never changes.
Identity and time
| Publication number | OT-2026-000029928 · never reused |
|---|---|
| Internal UUID | 01a0ae73-ac48-7d49-9a09-535ebe024e6f · 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-2026-000029928 |
| Status | PUBLIC |
Content hashes
| Canonical text | 60a4a1d6b99fb3d60c5da1208752747190c24268f4a6ca5b1d0f297929f5ec1e |
|---|---|
| Markdown | b1c69c7da18ee06211b4706139bc8e104b958cb2e1dfe67a652059ac6d061b55 |
| Publication page | 8f7c1f550dadc3a6766cad13c150eece1561b2b64f7ae6d3662b04ec9f9cc500 |
| Manifest | 6d5931462a601b87db68a104dc41760c8fa56b3c8d0b76a8b4dfe0d25f459982 |
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 | zj83vxSvOOQCD4eJ02HQku0NMj5ASizSXk7zXcvW7Z88mkeVdgNSrBYfvvCRWmiFRuGkrTR64LwYcjqUaO7EBQ== |
| 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
| 2026-09-17T11:38:38.259168Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029928observed 8f7c1f550dadc3a6766cad13c150eece...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:38:38.241381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029928/manifest.jsonobserved 6d5931462a601b87db68a104dc41760c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:38.212118Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029928/publication.mdobserved b1c69c7da18ee06211b4706139bc8e10...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:38:38.189109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029928/publication.txtobserved 60a4a1d6b99fb3d60c5da12087527471...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. |
|---|