OT-2026-000057020
Publication integrity record
Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000057020) never changes.
Identity and time
| Publication number | OT-2026-000057020 · never reused |
|---|---|
| Internal UUID | 01a0ae87-d5b6-7e18-9e75-f2333027c2d5 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:42:12.973410Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000057020 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4c69b4d8704979110da4208f3092c987feb57d82ea81ea8e6069c814e844517f |
|---|---|
| Markdown | 85d8da8ff57965322ba38210cf1999a380c0551b1af6feba989ff56ddcbbbad2 |
| Publication page | 88ccb3ea0ee51d3f5661046835a6eeca7785ead3dc17af48cbdf767e5b7e84d7 |
| Manifest | 9c702720430c7d25fb979c0367300163e6c7c3b4082f38df54a664144c913970 |
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 | Z+7wU6GuCzZogXo2Zh4jcF2KoXCVmJLvNld+G3r71iC3meBuTRDO8BCtikVnJcqTKX+vewkXZkNwomg3ksJoBg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:47:04Z batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof root 954df3475fbcfbe27467725cfb2ec919... |
|---|---|
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
Independent retrieval
| 2026-09-17T10:48:29.820471Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057020observed 88ccb3ea0ee51d3f5661046835a6eeca...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T10:48:29.804007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057020/manifest.jsonobserved 9c702720430c7d25fb979c0367300163...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:29.788167Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057020/publication.mdobserved 85d8da8ff57965322ba38210cf1999a3...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T10:48:29.767707Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000057020/publication.txtobserved 4c69b4d8704979110da4208f3092c987...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. |
|---|