OT-2026-000020447
Publication integrity record
Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000020447) never changes.
Identity and time
| Publication number | OT-2026-000020447 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7684-ab9b-5cc357beb533 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020447 |
| Status | PUBLIC |
Content hashes
| Canonical text | cc903782a9e0a33460159eaf94acfc0de9375dd853cd0d22dd7d08e1bbaa48f2 |
|---|---|
| Markdown | e70758709dbf186ecde9b87c8b662ee71e1f1b51e1ea7532badfbef1b67fd25d |
| Publication page | bca40ff8d49339c28d35b222cd02d9e5f5ec5b623ef5d2e13c0786b57ff63b30 |
| Manifest | 3ea52d7ac3337bef9e0d6566dd05929b903b37d268b3c507a60da8abd311ed42 |
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 | dGPQWv58EJ3bRKmygBZAAV7zIwru0oJAmCUggL18nl12SgVdF4G7i1SadxWk9zkV45E1A2u7L5nuiatMSbfUBw== |
| 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
| 2026-09-17T12:00:22.367664Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447observed bca40ff8d49339c28d35b222cd02d9e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:22.349501Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447/manifest.jsonobserved 3ea52d7ac3337bef9e0d6566dd05929b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.330525Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447/publication.mdobserved e70758709dbf186ecde9b87c8b662ee7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:22.313040Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447/publication.txtobserved cc903782a9e0a33460159eaf94acfc0d...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.180753Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447observed bca40ff8d49339c28d35b222cd02d9e5...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.163916Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447/manifest.jsonobserved 3ea52d7ac3337bef9e0d6566dd05929b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.145987Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447/publication.mdobserved e70758709dbf186ecde9b87c8b662ee7...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:26.130071Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020447/publication.txtobserved cc903782a9e0a33460159eaf94acfc0d...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. |
|---|