OT-2026-000048427
Publication integrity record
Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000048427) never changes.
Identity and time
| Publication number | OT-2026-000048427 · never reused |
|---|---|
| Internal UUID | 01a0ae80-4de5-7f74-b356-aed61690a65b · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:33:59.290761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000048427 |
| Status | PUBLIC |
Content hashes
| Canonical text | ecff2f9208c0aa91e373d37b51753502e00242698497f51ed976ab0d443741f6 |
|---|---|
| Markdown | 04c209533d416cd9e12aaf2c6d38940a716ee61bb9ff0939b05036b9f7932e55 |
| Publication page | 916f7f0dc0482a158fe1ea6572d9d1a093ded4270f277496fe2d608f92e1930d |
| Manifest | c39a58cbc4228d6bc960535f05430f341f4a275a3c4573eaa213453855720b10 |
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 | soTNi7joQFJ3J4IIh5nyBXCe1ks8GSzHHIK0DGn3EhH5qBf6evczGCm0d8xNXD5M6Op9O6ziBZrQHT25MzLODQ== |
| 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
| 2026-09-17T11:05:04.478435Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048427observed 916f7f0dc0482a158fe1ea6572d9d1a0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:05:04.460645Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048427/manifest.jsonobserved c39a58cbc4228d6bc960535f05430f34...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:04.440541Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048427/publication.mdobserved 04c209533d416cd9e12aaf2c6d38940a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:05:04.422293Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000048427/publication.txtobserved ecff2f9208c0aa91e373d37b51753502...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. |
|---|