OT-2026-000020028
Publication integrity record
Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000020028) never changes.
Identity and time
| Publication number | OT-2026-000020028 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-1fb7-7678-9825-93f90a2a2f84 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:13.354643Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020028 |
| Status | PUBLIC |
Content hashes
| Canonical text | 86b2f8131a6e36efbefd912fec7095d18d6f766f1bfa15943f417130a2257ba7 |
|---|---|
| Markdown | 6cd22d0a46042034e416f35f0832fbb827cc2151cf208e9e8e4ac3cd33d20853 |
| Publication page | 3c9d64751c5ae3132c1288dd95ac39b9e4808561bc9ea72d3219a8ace7c3d8a8 |
| Manifest | 0ed60c7f08d9d153cd5cc216408879dbb8116140e5eb8687ce6196c8c40f358a |
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 | xxnNEeILhb5JgvVqKpEuzpfAQPQbK/GGrPQmdDhuoBzX7lnkpTNTtwks/SqlhMthGErSmDBoI7SrNpD7Im7tCw== |
| 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
| 2026-09-17T11:58:17.033214Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020028observed 3c9d64751c5ae3132c1288dd95ac39b9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:58:17.012797Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020028/manifest.jsonobserved 0ed60c7f08d9d153cd5cc216408879db...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:16.994056Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020028/publication.mdobserved 6cd22d0a46042034e416f35f0832fbb8...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:58:16.974624Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020028/publication.txtobserved 86b2f8131a6e36efbefd912fec7095d1...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. |
|---|