OT-2026-000091890
Publication integrity record
Two bellows cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000091890) never changes.
Identity and time
| Publication number | OT-2026-000091890 · never reused |
|---|---|
| Internal UUID | 01a0ae9d-43ba-7df9-8335-9c673e5fb409 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T09:05:37.256105Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000091890 |
| Status | PUBLIC |
Content hashes
| Canonical text | be4b49e05323c6d0118133fc2c3a86b2cec53814a4304ade67fe4ef4dd91a6e8 |
|---|---|
| Markdown | 87c75b7105a6302f509d17893657343cfe5cb5f5f4b48b1c9b9401f79dee8c31 |
| Publication page | b885c2bde2e4730f849a38be65986c03111246f02d06363183b5b5e73953a3a9 |
| Manifest | 4f4e57b6461517f92294947fffb5be8bd6b145c4ae4f19bdcd191a99f81ccbf7 |
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 | h6V1C/3q1dp08L5m5hlpPzwLALTHNpiQDxaYx2aQ3JiXd9OTf3txaDu30F8HVDLCxuWiOuRXRJNtYxfe55ocBg== |
| 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
| 2026-09-17T09:42:49.479108Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091890observed b885c2bde2e4730f849a38be65986c03...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T09:42:49.460109Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091890/manifest.jsonobserved 4f4e57b6461517f92294947fffb5be8b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:49.443066Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091890/publication.mdobserved 87c75b7105a6302f509d17893657343c...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T09:42:49.422994Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000091890/publication.txtobserved be4b49e05323c6d0118133fc2c3a86b2...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. |
|---|