OT-2026-000056088
Publication integrity record
Single bellows cup vacuum gripper, pump fed, sustained blow-off after set-down
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-2026-000056088) never changes.
Identity and time
| Publication number | OT-2026-000056088 · never reused |
|---|---|
| Internal UUID | 01a0ae87-0a4b-7bba-8584-e29b5df17bd5 · 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-2026-000056088 |
| Status | PUBLIC |
Content hashes
| Canonical text | 28eed623c80795575e6d84a4809765ecb6684a6b3c08ff851ae1b451da3897e0 |
|---|---|
| Markdown | 3961385e6475407a5eae3555389ac6ffb7249ab56319d221c360ce08bf761314 |
| Publication page | 05b2a70a7799204b02d0033b6775535999af1e2b3fc20d22b2a994539ee49097 |
| Manifest | 9ba1c39533a474e418cb03f555e63905ef6d5b798e454628c876d1931d35b8d5 |
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 | UGVDLQ/MQXuzNfFE1TkOUpIyz3FXcIzyuHWTpftRxrpR+7NcgedMkt4n8Uo+fIhtA46wmdNGkJPJmJaXAWuQCg== |
| 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
| 2026-09-17T10:51:37.604736Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056088observed 05b2a70a7799204b02d0033b67755359...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:51:37.581836Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056088/manifest.jsonobserved 9ba1c39533a474e418cb03f555e63905...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:37.564346Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056088/publication.mdobserved 3961385e6475407a5eae3555389ac6ff...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:51:37.472132Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000056088/publication.txtobserved 28eed623c80795575e6d84a4809765ec...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. |
|---|