OT-2026-000021915
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000021915) never changes.
Identity and time
| Publication number | OT-2026-000021915 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-788c-b0dd-26ece7331fb1 · 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-2026-000021915 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4ae3bb56d63a8a8c7b3fee846e22d778831000db7148704fbdd4e4937660c173 |
|---|---|
| Markdown | 722272a18fc632a156c0b718d5a14f4661c50663f38ba6e9a8ae677ffb1ed692 |
| Publication page | e9aacd1973084fa86eb5209663bdaa3e9fbb31a3122ce5e2ed923464589755c2 |
| Manifest | 629fdfe4b7a65e776e24bc2a67344e9c677793191c426525402c0d46f491e951 |
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 | bHjvrv1xWezWb70+af4xP3yJ2RsDwWSnkxmKCET+csQfMNW6kJktHKSTHO5h8zw6Py7h+jK4F7dJAWhPwskoAA== |
| 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
| 2026-09-17T11:54:29.309933Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021915observed e9aacd1973084fa86eb5209663bdaa3e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:29.291584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021915/manifest.jsonobserved 629fdfe4b7a65e776e24bc2a67344e9c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.272312Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021915/publication.mdobserved 722272a18fc632a156c0b718d5a14f46...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:29.248791Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021915/publication.txtobserved 4ae3bb56d63a8a8c7b3fee846e22d778...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. |
|---|