OT-2026-000028737
Publication integrity record
Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000028737) never changes.
Identity and time
| Publication number | OT-2026-000028737 · never reused |
|---|---|
| Internal UUID | 01a0ae72-e2fa-7f85-bd8f-c81553c27c51 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:19.949572Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028737 |
| Status | PUBLIC |
Content hashes
| Canonical text | 6878fd93875ce67579a5a5942a9936cb45dfca819fbcc35cd2998add21fe7af8 |
|---|---|
| Markdown | 70b5943fff7047f53392294d7477ce68844af6bc714eccf4327dee2996360319 |
| Publication page | 5646b0599534dc1a7827ab0f61581b49e03f2f4b0389776600e638b1577f98d1 |
| Manifest | 1379e09dbda2b298d440cd13187dd2df088c0e48a47e796454f2fed15497d182 |
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 | n77y3A7qbeKGyYhl8VDkqHFdbqHoHoGKaFRLk5yrdoRAVcFKHfboxVDXIEtFa9sOF3Ton1ShQw6QeOoD6PQtDA== |
| 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
| 2026-09-17T11:41:45.144463Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028737observed 5646b0599534dc1a7827ab0f61581b49...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:41:45.125993Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028737/manifest.jsonobserved 1379e09dbda2b298d440cd13187dd2df...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.106256Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028737/publication.mdobserved 70b5943fff7047f53392294d7477ce68...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:41:45.086492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028737/publication.txtobserved 6878fd93875ce67579a5a5942a9936cb...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. |
|---|