OT-2026-000006028
Publication integrity record
Vacuum cup gripper, pump fed, contact triggered, pulsed blow off after set down, polyurethane cups
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-2026-000006028) never changes.
Identity and time
| Publication number | OT-2026-000006028 · never reused |
|---|---|
| Internal UUID | 01a0a94c-c157-7bcf-9928-530a30757fab · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T08:19:34.874603Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000006028 |
| Status | PUBLIC |
Content hashes
| Canonical text | 969dcafe7ab027dcad7d7c9655578c391215c3bc74adc55dbf70b94965c57c40 |
|---|---|
| Markdown | 12717e134bbd920d829c637e3e30368231d8d350c0b5dca55f82840fb11b6895 |
| Publication page | 20f8588b2878dfacdbc88eac6aaa09dd174d616ed5e643b55caade2bfe870ef9 |
| Manifest | a022d1f462c34a11a3c905067aede0ee5e4918258289c6c55ee0dc1d6d22ce32 |
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 | G/aztfd4zfuvqZpODkRdGI4sufduN3LPQ3VXHk2plRP8hyL6gQGD1DDtVrxO+cwiOSgRKUYO/WOVm4qKjFw+Aw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T08:27:03Z batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof root dbe93cb6b2158496df2f60f3b6822537... |
|---|
Independent retrieval
| 2026-09-16T08:20:03.873593Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006028observed 20f8588b2878dfacdbc88eac6aaa09dd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T08:20:03.749838Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006028/manifest.jsonobserved a022d1f462c34a11a3c905067aede0ee...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:03.734175Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006028/publication.mdobserved 12717e134bbd920d829c637e3e303682...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T08:20:03.720256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000006028/publication.txtobserved 969dcafe7ab027dcad7d7c9655578c39...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. |
|---|