OT-2026-000021980
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold 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-2026-000021980) never changes.
Identity and time
| Publication number | OT-2026-000021980 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5c-7752-badc-ee11a7c64f25 · 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-2026-000021980 |
| Status | PUBLIC |
Content hashes
| Canonical text | 06e916accee66ba599f073f7bb5de5a7acf483468e2aa18956c5cb9a0dac2033 |
|---|---|
| Markdown | ea5611ccc2d06caaf30339dc4962c8116761a3067ebeb7357bcadc42033e8f20 |
| Publication page | 2fa18622d95e9d406a0b0b2eb0211d1d7c0d8c747ae3bad00517cff20ebc477d |
| Manifest | 7ff3740c9d400a19aff724f149ce7f36e4f3400363d5e2c36850d6fb6e075981 |
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 | lW0oQrHCFwBCZrb/BMbLe8Z7SPhvfrKDj7u7G76DZM8nzyrE44ppxWl0kpkvHfLngc3C9ugWTHT5OA/v9c76Dw== |
| 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
| 2026-09-17T11:54:39.206158Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021980observed 2fa18622d95e9d406a0b0b2eb0211d1d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:39.188799Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021980/manifest.jsonobserved 7ff3740c9d400a19aff724f149ce7f36...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.171066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021980/publication.mdobserved ea5611ccc2d06caaf30339dc4962c811...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:39.153992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021980/publication.txtobserved 06e916accee66ba599f073f7bb5de5a7...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. |
|---|