OT-2026-000032730
Publication integrity record
Four pad foam vacuum gripper, four outlet manifold, pump fed, pulsed 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-2026-000032730) never changes.
Identity and time
| Publication number | OT-2026-000032730 · never reused |
|---|---|
| Internal UUID | 01a0ae75-1071-76e5-8308-30abec86f755 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:21:42.658092Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000032730 |
| Status | PUBLIC |
Content hashes
| Canonical text | d9a14da2ed4f8d426de0d0953e8e459135653516aaaefac3f9a61456ed5685eb |
|---|---|
| Markdown | 5ecfa1cfc470b66e3b95e68bd2a2f9513a1d02c3faa695d9601d74902ebc5cd8 |
| Publication page | 1598bafe78211de88b4d007344767411d726843fe176d3a1e43f1fb4f1803d93 |
| Manifest | fbaa285e41418348a12f979b05cbb2404eff6b8d6432888f02ef8b5608283ff5 |
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 | fch6moLy82ZLSScob31WrtW4toatRoKUyaOEqCLystv458KAzck4N3Jlj+jmQDS2rJ0KZtJGsBtjGNvyzbT/Cw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
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Independent retrieval
| 2026-09-17T11:34:21.006234Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032730observed 1598bafe78211de88b4d007344767411...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:34:20.989865Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032730/manifest.jsonobserved fbaa285e41418348a12f979b05cbb240...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:20.972880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032730/publication.mdobserved 5ecfa1cfc470b66e3b95e68bd2a2f951...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:34:20.955715Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000032730/publication.txtobserved d9a14da2ed4f8d426de0d0953e8e4591...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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