OT-2026-000090947
Publication integrity record
Two bellows cup vacuum gripper, two zone face, common isolation valve, 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-2026-000090947) never changes.
Identity and time
| Publication number | OT-2026-000090947 · never reused |
|---|---|
| Internal UUID | 01a0ae9c-c011-723f-8a28-a9d3d2b59e91 · 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-2026-000090947 |
| Status | PUBLIC |
Content hashes
| Canonical text | c3803bc287abe2887a40cf55528eb4db9a409ea95f6831c665181f9a1d70d232 |
|---|---|
| Markdown | aff75586d6caf836e2fafbfd31276dc023c271f55a635d92e6bbb6324c9c2040 |
| Publication page | 3ffc7760e3e4342c650eccb860d2430149c902945b55b2cf61fb44f9bd035fd1 |
| Manifest | f09af46713d2b5bff7328e54433556e988c7308c4fddb19892370b44e0d44614 |
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 | H8LgGyvDH5YatkOQtWhQMz+j2JgJfEHoVplxCgM5936PoVYXY0Lg3/dxHOdhSTIW7qSUjwmaO27jf8FBNIsCBA== |
| 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
| 2026-09-17T09:44:10.023441Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090947observed 3ffc7760e3e4342c650eccb860d24301...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:44:10.005577Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090947/manifest.jsonobserved f09af46713d2b5bff7328e54433556e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:09.988527Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090947/publication.mdobserved aff75586d6caf836e2fafbfd31276dc0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:44:09.970142Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000090947/publication.txtobserved c3803bc287abe2887a40cf55528eb4db...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. |
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