OT-2026-000019919
Publication integrity record
Four bellows cup vacuum gripper, four zone face, single 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-2026-000019919) never changes.
Identity and time
| Publication number | OT-2026-000019919 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7515-a930-edcd8eeb51a2 · 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-2026-000019919 |
| Status | PUBLIC |
Content hashes
| Canonical text | 7160a0523de079afb1ec55bdb52eb184770bc44b7c4546a8afd7923933ba6407 |
|---|---|
| Markdown | 405d8f596a677a34180237dc8110b844a0d1197bdcc0219c52c4ba7c18fe3043 |
| Publication page | a1673980d41f20a9c87453b842438cdc812d4e9dcbfc2a5b92ab3f12dd153a3e |
| Manifest | 182fb578777ef9bcc800e3353565b23d3e7788cbc5bb5bba51741037116450b0 |
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 | nYjKCBcvi07Y1x4QOz8xRDt8tkCBY6LNS5SKCf8RJdSHM1o5GiMa2WXkABhcWXKSxL1pAvvb4fHWYKO1HPqWCg== |
| 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
| 2026-09-17T11:58:08.210823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019919observed a1673980d41f20a9c87453b842438cdc...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:08.191318Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019919/manifest.jsonobserved 182fb578777ef9bcc800e3353565b23d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:08.172528Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019919/publication.mdobserved 405d8f596a677a34180237dc8110b844...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:08.154439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019919/publication.txtobserved 7160a0523de079afb1ec55bdb52eb184...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. |
|---|