OT-2026-000019928
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000019928) never changes.
Identity and time
| Publication number | OT-2026-000019928 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7d92-9064-4a0b77bf9d16 · 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-2026-000019928 |
| Status | PUBLIC |
Content hashes
| Canonical text | a32922b411128dce35280bdcbca8aa9e168e11e480a9325caaf6516c1a0b6c33 |
|---|---|
| Markdown | 0bb9032df02b6542e70c4791daa290d22040f0ca9052544eec0a6fdacd26ea4b |
| Publication page | 1158deb3bbb281ad3879fd3e1f2068cbab27ffd03e6a6a6e7bbe8b54ebb196df |
| Manifest | 657776a928663127172dbb2c42bfd61dad73a8830438c3ea4bb49004e2c6776e |
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 | XK3NTTo5eQ5vb2Ls5MKRRxF6xGfoRx3fxoGExvip6uenYFhB7r4g2Qqaovl9z2aHTI4ziXi53YtYw+H/dCJsAw== |
| 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
| 2026-09-17T11:58:08.943029Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019928observed 1158deb3bbb281ad3879fd3e1f2068cb...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:08.923518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019928/manifest.jsonobserved 657776a928663127172dbb2c42bfd61d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:08.906295Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019928/publication.mdobserved 0bb9032df02b6542e70c4791daa290d2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:08.886237Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019928/publication.txtobserved a32922b411128dce35280bdcbca8aa9e...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. |
|---|