OT-2026-000055976
Publication integrity record
Single bellows cup vacuum gripper, two stage ejector, sustained blow-off after 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-2026-000055976) never changes.
Identity and time
| Publication number | OT-2026-000055976 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4a-7cea-9480-b0f54ae67df0 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:41:20.734835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000055976 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f09d29af0bd33218233ee758bcbadabe0ce4f590b6a7549d4c362ab41186b8f |
|---|---|
| Markdown | 03445fe6aa3fccd08f0146acd54ef42bbeaf1b58d4e1af989b504c862d367c5d |
| Publication page | 1f2150786cc493853834337304fbc709e2b2ab8858e7f852a2c59c174b2d069d |
| Manifest | 405bd66d7b74133922d9fec3aa6c4cdd1a417c79b15fd60cad30d06f64469be3 |
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 | CHhLNSNIvCaRO2+QAJqZeNIZcGqrNjfEPKCYYjpBrZUFHfjlVGLSXe4YeTZ7U5tV89VyiD1kZD7Aurtaag8lBQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:51:29.892285Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055976observed 1f2150786cc493853834337304fbc709...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:29.874769Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055976/manifest.jsonobserved 405bd66d7b74133922d9fec3aa6c4cdd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:29.857283Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055976/publication.mdobserved 03445fe6aa3fccd08f0146acd54ef42b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:29.838230Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000055976/publication.txtobserved 5f09d29af0bd33218233ee758bcbadab...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. |
|---|