OT-2026-000019187
Publication integrity record
Two bellows cup vacuum gripper, two zone face, two stage ejector, 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-2026-000019187) never changes.
Identity and time
| Publication number | OT-2026-000019187 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-7b4a-9849-f9d0e1d8f232 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019187 |
| Status | PUBLIC |
Content hashes
| Canonical text | b69511a45c21762b1a2ead9bc98af444a571f3814743760402dca83ecfe729ee |
|---|---|
| Markdown | 54aab21c5316c8a2989961005c78dd8c097d7181b20bea261c990f54d16407d7 |
| Publication page | ff5da535942a6f919f7591ad8a53126619971ffdecdb807263729a639262b1d2 |
| Manifest | 5b5f057427eed89043c99d41cdac6cf2c6cf12de280e9a27b728c68f7acf6c99 |
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 | 1d4rbC6zF8zLjPpUvtm3a6SVCtzLPA73jfamOSsObqNxpbq0Dpfye9muSdPVphJwzSgmTRnSr3Y0Nzl53xOIBw== |
| 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
| 2026-09-17T11:58:30.316398Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019187observed ff5da535942a6f919f7591ad8a531266...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:30.300057Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019187/manifest.jsonobserved 5b5f057427eed89043c99d41cdac6cf2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:30.283633Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019187/publication.mdobserved 54aab21c5316c8a2989961005c78dd8c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:30.266781Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019187/publication.txtobserved b69511a45c21762b1a2ead9bc98af444...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. |
|---|