OT-2026-000029491
Publication integrity record
Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000029491) never changes.
Identity and time
| Publication number | OT-2026-000029491 · never reused |
|---|---|
| Internal UUID | 01a0ae73-5e21-7bf2-b1f0-bdc1cd10b155 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:51.545382Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000029491 |
| Status | PUBLIC |
Content hashes
| Canonical text | fc66118557e6af0a841f401dd387728d7367c1f465e49e5277878d89adbbc343 |
|---|---|
| Markdown | ca14d4b1829e629c5a2add68373d30297994ad799a52f480362ec6a835b971a0 |
| Publication page | c37a18c5560e062f1d866cb30c6309e1051c7a15ca76dc903b51c7dc468897dd |
| Manifest | 3da3bbfbd152b23b12df468802e9190abc86996423f717895e19ed636251ef3f |
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 | lrSVcuTqN0SsexkMzJ0KCMjN/x3ItqY7cioeWcA0LelXbWYntenzAmxCY8ybLVwuc+YtaoBHnJrOWxZlGSHVCg== |
| 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
| 2026-09-17T11:39:07.253106Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029491observed c37a18c5560e062f1d866cb30c6309e1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:39:07.235697Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029491/manifest.jsonobserved 3da3bbfbd152b23b12df468802e9190a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:07.218532Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029491/publication.mdobserved ca14d4b1829e629c5a2add68373d3029...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:39:07.196535Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000029491/publication.txtobserved fc66118557e6af0a841f401dd387728d...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. |
|---|