OT-2026-000019815
Publication integrity record
Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000019815) never changes.
Identity and time
| Publication number | OT-2026-000019815 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb5-77b5-b8e7-2fdbbfe6a33a · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019815 |
| Status | PUBLIC |
Content hashes
| Canonical text | ae0d413f162e66f99a33b516fafddc2c901a808ba95750945e9e3b26ffe951ca |
|---|---|
| Markdown | 38b3d6c66d9514ec8a12f1e6f943a7f8d3d9e1e3590593904ccd78702b7d5170 |
| Publication page | af6bec6274a1af8a1e230a6f0dd363c8d77883ff133e6924004140787495d454 |
| Manifest | e7d84a28bc33cdf0ae4f0ba02c74cf9507c69149d3601efe7b4b541ddb792e8e |
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 | rD4kic8zySRcJdEXMcKSD5fhZBV+IypIGym5ipZFsdkEMWcMAXQYr8C9UoCCDbUcTvcpa3cWwuFXlJyCeTlPBw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-09-17T11:58:00.150946Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019815observed af6bec6274a1af8a1e230a6f0dd363c8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:00.133615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019815/manifest.jsonobserved e7d84a28bc33cdf0ae4f0ba02c74cf95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.114914Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019815/publication.mdobserved 38b3d6c66d9514ec8a12f1e6f943a7f8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:00.097872Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019815/publication.txtobserved ae0d413f162e66f99a33b516fafddc2c...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. |
|---|