OT-2026-000054879
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000054879) never changes.
Identity and time
| Publication number | OT-2026-000054879 · never reused |
|---|---|
| Internal UUID | 01a0ae86-1285-7c67-a819-44c34ce9312c · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:40:17.489937Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000054879 |
| Status | PUBLIC |
Content hashes
| Canonical text | 48f60b1e61c21bbce464f380f9e8d7e2928713e9a32c649cbf3887ac0c320383 |
|---|---|
| Markdown | 8fd0818bacc7a4a047685a0dd85d24aa9a93bd570866d9cb1cd3e942668e1338 |
| Publication page | b5fc48bc86ca918723c36ad87fdd1c8744ac2e300f96362332d2818f8b3aa301 |
| Manifest | 25ff44ff6be3c4063fa25362e9d3da22c19a2dd6ff7d6f72b6df453982155a83 |
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 | JWx5lsEPdBRuD/o73fmOcH5lEdSMewpzbdDwUug9U2agfa9tSo4aCKieRH2RhJ+PWrnhO/ltb8OFMSDlUjpbAA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:54:06.153571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054879observed b5fc48bc86ca918723c36ad87fdd1c87...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:54:06.133199Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054879/manifest.jsonobserved 25ff44ff6be3c4063fa25362e9d3da22...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:06.111275Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054879/publication.mdobserved 8fd0818bacc7a4a047685a0dd85d24aa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:54:06.093421Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000054879/publication.txtobserved 48f60b1e61c21bbce464f380f9e8d7e2...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. |
|---|