OT-2026-000091070
Publication integrity record
Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, 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-2026-000091070) never changes.
Identity and time
| Publication number | OT-2026-000091070 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c012-7aff-a681-509fd591e674 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:03.518217Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091070 |
| Status | PUBLIC |
Content hashes
| Canonical text | f77f5ce4a89e69a885d1dbf8a8a93fc8daa5163aa8a99c9794932cd3939b2d76 |
|---|---|
| Markdown | abaf1fc0e985e4685be9690176d5a3571f475a0f497626401c4a2b8f20af2e3b |
| Publication page | f722428757da23f2d4f7e0eef6560843d8b497646c27cd66e1cc5a7d76f886a8 |
| Manifest | 1a0f54e19c40ffbee3940233cff26dedadc037ccd751e35295377b2bc151f0d8 |
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 | UrkQdb8QEW7ZidL03oVZpU4V/TcnqP24Q9sckQtIvH1SYZ65EpcxbbpdHPJgPpGKHTp+ln6gJ4QNmllFrzlhAA== |
| 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
| 2026-09-17T09:44:18.834590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091070observed f722428757da23f2d4f7e0eef6560843...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:18.815203Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091070/manifest.jsonobserved 1a0f54e19c40ffbee3940233cff26ded...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:18.796971Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091070/publication.mdobserved abaf1fc0e985e4685be9690176d5a357...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:18.777998Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091070/publication.txtobserved f77f5ce4a89e69a885d1dbf8a8a93fc8...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. |
|---|