OT-2026-000090331
Publication integrity record
Two cup vacuum gripper, two zone face, pump fed, 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-2026-000090331) never changes.
Identity and time
| Publication number | OT-2026-000090331 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f2c-71fa-b9a8-9d0dc4e54f66 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090331 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0bb6c5e597c55e75696d5ebd2134952f333f33b3637749c874f1e36d6763ee9e |
|---|---|
| Markdown | fc53d47c9331cffa81f483ef435b9c2ef1c3dd3254e1a0151f69d9287e076513 |
| Publication page | 61301479bdd5caa99a3892e97b2229611a730a49eec8cdd0f87b0cac9588e30b |
| Manifest | f5eb8be52bcc1d8e2a661cadf5cbecb60047e4a9b89c95fc7ff99e94c1008895 |
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 | Dde1139kBRADX/OPfCwaAxMPoBVcy3gYD7HPp0JH7QnmVRRTkuLZnDeAg4esEc7Wc1SsD2GHRyJ5+BVeRpgzDg== |
| 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
| 2026-09-17T09:44:25.142056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090331observed 61301479bdd5caa99a3892e97b222961...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:25.124400Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090331/manifest.jsonobserved f5eb8be52bcc1d8e2a661cadf5cbecb6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:25.108071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090331/publication.mdobserved fc53d47c9331cffa81f483ef435b9c2e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:25.090424Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090331/publication.txtobserved 0bb6c5e597c55e75696d5ebd2134952f...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. |
|---|