OT-2026-000090272
Publication integrity record
Two cup vacuum gripper, two zone face, two stage ejector, pressure sensor per zone, 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-2026-000090272) never changes.
Identity and time
| Publication number | OT-2026-000090272 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-4290-75f0-96c8-3e4b061cd1b5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:31.390046Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090272 |
| Status | PUBLIC |
Content hashes
| Canonical text | b2f1185099afc989f519e93dbc5fe14f5ba06c302a15978d1738f1b7d1269a6b |
|---|---|
| Markdown | a1bb6911bf281cd9a94757061a20ef8089be9bd78bd2d5482b722cd410f363d3 |
| Publication page | d14bc9687d9abd89e31a4cb959dde790a1eb598f7c3c5d8c31a2b41c23a23152 |
| Manifest | dbb3c9757ae233a334d9c32a75acdb0083c06ac71c5e528d3cc3767fe801d6d6 |
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 | g5a62Lag4TeiKsX1zEpjV+gbcAo2RKx5hJSiJJ/L0S8wf0LqYZMF7xyZNRhzjBSgBAqqPBDSiNOtSSlemSSIBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:46:21.199944Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090272observed d14bc9687d9abd89e31a4cb959dde790...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:46:21.181910Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090272/manifest.jsonobserved dbb3c9757ae233a334d9c32a75acdb00...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:21.163616Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090272/publication.mdobserved a1bb6911bf281cd9a94757061a20ef80...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:46:21.145625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090272/publication.txtobserved b2f1185099afc989f519e93dbc5fe14f...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. |
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