OT-2026-000021472
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000021472) never changes.
Identity and time
| Publication number | OT-2026-000021472 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865d-7e0c-833c-5ad025e83824 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021472 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8789ed2fdd6a72af9ad772785b94bb58d832ad4ca0f91a61f6ad8afecfd5073f |
|---|---|
| Markdown | 0afb34bfa4f34cd51bef27a8542a958c99e2910389c2bc6253bcd72f70881a77 |
| Publication page | d182387b9facb2b9a6ddfa1b5731fe944d314bccb1f66827c7821af9f8ccee16 |
| Manifest | 2748c6c349025102b8f7539735fb4cf60a3c39daffc2518f1cbfe1d7ef952ca3 |
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 | N6EMsD+ZsM+F3YchYDxyhlXkJLuy3Lv6XgUnxsJdnWnMhsCt9+eR9yQy64uiw8tF1eyOm9mx3AhF69yvKyw/BA== |
| 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
| 2026-09-17T11:55:23.231615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021472observed d182387b9facb2b9a6ddfa1b5731fe94...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:55:23.210955Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021472/manifest.jsonobserved 2748c6c349025102b8f7539735fb4cf6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.193648Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021472/publication.mdobserved 0afb34bfa4f34cd51bef27a8542a958c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:55:23.176691Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021472/publication.txtobserved 8789ed2fdd6a72af9ad772785b94bb58...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. |
|---|