OT-2026-000021604
Publication integrity record
Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000021604) never changes.
Identity and time
| Publication number | OT-2026-000021604 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb58-7fe5-9826-18b07cca5b93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021604 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f494539fc4f0a7fb83dbe9355e6ade56ced3d1470c336554137bbf9227ae73b |
|---|---|
| Markdown | db2658823f2111d88806744f963e1a1552bb8cb7eaa9bf34d850513ee87e7055 |
| Publication page | 5e827d13cf8e77c41b2523c2f26ad7b3412103f646c5007995bc13567f12a6d8 |
| Manifest | be70d311c0fb1bd8d2a054fcfd8aa2ba692164525c719f31c97fa1a128fde850 |
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 | ed5WpVgicW/CxitmKKwh1JbkHJWKLdm8yXGSpvtzoqwDxhH7zhrf+QQF9VZqTvvf3bbzWgxvEuRaR+Dm0RzUBA== |
| 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
| 2026-09-17T11:54:07.687900Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021604observed 5e827d13cf8e77c41b2523c2f26ad7b3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:07.669298Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021604/manifest.jsonobserved be70d311c0fb1bd8d2a054fcfd8aa2ba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.648286Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021604/publication.mdobserved db2658823f2111d88806744f963e1a15...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.630619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021604/publication.txtobserved 8f494539fc4f0a7fb83dbe9355e6ade5...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. |
|---|