OT-2026-000019546
Publication integrity record
Foam pad vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed 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-2026-000019546) never changes.
Identity and time
| Publication number | OT-2026-000019546 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f394-7ef0-8f94-a3abbf24261f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019546 |
| Status | PUBLIC |
Content hashes
| Canonical text | 93bbdb0ef99af8ee7c15c7063d8f92bc25d9f120e76d3ad2992c006c964213a6 |
|---|---|
| Markdown | edc53eace1c6cc8b3c4aa29f699329d7781283cfb73d62b7a01a1bed27f0aed6 |
| Publication page | e7fa3fcb30a221311f45b34afcd85cf5ac4648b1b4cecee2df2b29275034e7e9 |
| Manifest | b63ac78a2637a7ce2672132ab15ca74ae6610a37b0a87171b5e1da27cd0eadc2 |
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 | b9xxuRD4k7nf/EJK/sOJwsi5JARqyQcfGlbr0ybi2KgVzMp2BpG8K8+rN1/sf7xU0Z0Yd1QwjUoKpuKRDZV8Bw== |
| 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... |
|---|
Independent retrieval
| 2026-09-17T11:58:59.239956Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019546observed e7fa3fcb30a221311f45b34afcd85cf5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:59.223381Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019546/manifest.jsonobserved b63ac78a2637a7ce2672132ab15ca74a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.205162Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019546/publication.mdobserved edc53eace1c6cc8b3c4aa29f699329d7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:59.186941Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019546/publication.txtobserved 93bbdb0ef99af8ee7c15c7063d8f92bc...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. |
|---|