OT-2026-000022644
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000022644) never changes.
Identity and time
| Publication number | OT-2026-000022644 · never reused |
|---|---|
| Internal UUID | 01a0ae70-46e9-735a-8326-39df40c8ee78 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:16:28.929798Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000022644 |
| Status | PUBLIC |
Content hashes
| Canonical text | bf9a11ad1af0c8861593e04d60bc2f2adb4e372a9a45ed99b858f450c2dc515d |
|---|---|
| Markdown | f3da8cf31f35fb9af6541e3f1f912e8fbf56b0c44bab5823d8456afce9f4d646 |
| Publication page | 68cc28dd9f816ae29a5ece29809b535452be58dc840f92e57f614bfbb00a7c3c |
| Manifest | 86a802f4c0812f62a635664d6cb6aad968405f14e5a74f508c46e6f5c88d471d |
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 | 2vtNgeAaAGB2IFm+VUck/w2v0dnMUYdFrDFbeEAdC6jaGxXVHI5scj61VgMqwNgIxUg1ldAbdQy8CLlYXzsLAg== |
| 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
| 2026-09-17T11:52:01.492056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022644observed 68cc28dd9f816ae29a5ece29809b5354...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:52:01.473167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022644/manifest.jsonobserved 86a802f4c0812f62a635664d6cb6aad9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:01.455571Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022644/publication.mdobserved f3da8cf31f35fb9af6541e3f1f912e8f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:52:01.436425Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000022644/publication.txtobserved bf9a11ad1af0c8861593e04d60bc2f2a...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. |
|---|