OT-2026-000090820
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down
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-2026-000090820) never changes.
Identity and time
| Publication number | OT-2026-000090820 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c010-7457-b242-e3f683db45eb · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090820 |
| Status | PUBLIC |
Content hashes
| Canonical text | 237ce5d6a9803e61b16eb825b677a59e02ffdb793875f311badd093cc31344f2 |
|---|---|
| Markdown | 57bad5d2cbfb4e3f3d6789b4aa05fd8e86db80c745e95ea1a82e0d4a70c57f3e |
| Publication page | f5312b419f29f70597380afbfd0fdf6e5348b53abf1b2738cf79dbddf90d24a7 |
| Manifest | 5e3cdcff1adac4f6fd0177a7c87c190c5a61c40ec31061e4fb36408f6a9d103d |
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 | E/v2tuKIVAgMW1v7HvvWSBhF7mUeFd2OKcHVow1/O4itOtN/Xx+1l/SHZpD3PP90ZM0zZJXjCrLJXv/hYlPmBQ== |
| 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
| 2026-09-17T09:44:00.830459Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090820observed f5312b419f29f70597380afbfd0fdf6e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:00.812251Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090820/manifest.jsonobserved 5e3cdcff1adac4f6fd0177a7c87c190c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.795142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090820/publication.mdobserved 57bad5d2cbfb4e3f3d6789b4aa05fd8e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:00.777936Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090820/publication.txtobserved 237ce5d6a9803e61b16eb825b677a59e...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. |
|---|