OT-2026-000062720
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off after 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-2026-000062720) never changes.
Identity and time
| Publication number | OT-2026-000062720 · never reused |
|---|---|
| Internal UUID | 01a0ae8c-6389-7929-8017-6c92c6124a6f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:47:11.271900Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000062720 |
| Status | PUBLIC |
Content hashes
| Canonical text | 9d3b6dd11352ab9e4cdaff47ebf885428c25d8b5c65214bcc7fddec35b04c995 |
|---|---|
| Markdown | 8d51c4f6c11f116810f7e10cd060a7d439c69c78bd7dffe46c55f44c0f98f192 |
| Publication page | dbc122f51a1e52a38c2810b352a4b1b4d209ea1b7281f54b7d44059c0983a4ba |
| Manifest | ea4e749d2fd80b4822cb806b8fe0955096e4f982de9aaa26def8b56688a55134 |
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 | 6qidQJ+fu4Grf18Dt1JNjhr3NKS6PElW+IxnlAGCLQSe9zUUey2250FgmhiuyxvbTK08r+gMMH22DrJBei5nDw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T09:07:03Z batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof root 061e9ae86cc297cdce873398aaec3f72... |
|---|
Independent retrieval
| 2026-09-17T10:39:17.423947Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062720observed dbc122f51a1e52a38c2810b352a4b1b4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:39:17.406711Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062720/manifest.jsonobserved ea4e749d2fd80b4822cb806b8fe09550...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:39:17.389341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062720/publication.mdobserved 8d51c4f6c11f116810f7e10cd060a7d4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:39:17.372794Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000062720/publication.txtobserved 9d3b6dd11352ab9e4cdaff47ebf88542...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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|