OT-2026-000090742
Publication integrity record
Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000090742) never changes.
Identity and time
| Publication number | OT-2026-000090742 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-7f31-72e2-b778-b87b598f24b4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:04:46.997728Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000090742 |
| Status | PUBLIC |
Content hashes
| Canonical text | a07dd61fa76fd8db1db2a36ca7872dcc3fc8b7d1d106622d4cb81405f3cfbf56 |
|---|---|
| Markdown | 986936dd18784152d3d63b8434166e6fb22280ed825b602c8e180034bd6410ba |
| Publication page | ed7c786fcae9889c71caf7b04b3c294e8a7531120c7a435ddef70f69cb24ff73 |
| Manifest | 814de2ddc226b2f8e74c3042a895c54f55324da2e52d63e2d16c14df60bf5d1f |
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 | nvvc32D+Nufsy6kET09z0AGA1+IGf4b6g3egot2Ia5H5S6CV+njLPwtS8zb8BmpprxBRW8+YVkRFRES8oam8Dg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T09:44:55.972787Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090742observed ed7c786fcae9889c71caf7b04b3c294e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:55.956107Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090742/manifest.jsonobserved 814de2ddc226b2f8e74c3042a895c54f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:55.940519Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090742/publication.mdobserved 986936dd18784152d3d63b8434166e6f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:55.922258Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090742/publication.txtobserved a07dd61fa76fd8db1db2a36ca7872dcc...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. |
|---|