OT-2026-000030681
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, pump 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-2026-000030681) never changes.
Identity and time
| Publication number | OT-2026-000030681 · never reused |
|---|---|
| Internal UUID | 01a0ae74-3fb3-7a45-86cb-fb6cc5b22891 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:20:49.275361Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000030681 |
| Status | PUBLIC |
Content hashes
| Canonical text | eeda55e7e4dab272ea82ec0ebad00d8ce3a8c6d33ea1c4fd9c8ac7cbe4fdce51 |
|---|---|
| Markdown | 933d8b558fc17194815efdb13c0ce7f9b11546dfa5969eff8ad493106a40a85e |
| Publication page | 2e801cc6b21fedecca9395ab6a5745032222900f196a55ba4a645cec296343b4 |
| Manifest | 158c76bd5bbd5a51d34a40ff539ba2e999ed773fa2fc5bb23ea4c61501b7d34d |
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 | ZDLsMPRRqvZg5iBty+4FdVwJzF8e6+l+4ert2uWE5HAgSTM/ifxHVWlWioV/V04+I6RAtq/hNL9AYbglsJfbDQ== |
| 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
| 2026-09-17T11:36:34.578549Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030681observed 2e801cc6b21fedecca9395ab6a574503...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:36:34.558062Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030681/manifest.jsonobserved 158c76bd5bbd5a51d34a40ff539ba2e9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:34.538954Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030681/publication.mdobserved 933d8b558fc17194815efdb13c0ce7f9...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:36:34.521913Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000030681/publication.txtobserved eeda55e7e4dab272ea82ec0ebad00d8c...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. |
|---|