OT-2026-000026972
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000026972) never changes.
Identity and time
| Publication number | OT-2026-000026972 · never reused |
|---|---|
| Internal UUID | 01a0ae72-3453-71dd-ae2e-d7464ad802ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:18:35.358864Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000026972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 29f2d8cc9851bdd2014bbb1c25a3ade42d7cd71587714dc971d13e81c772a285 |
|---|---|
| Markdown | 279226ee9c8d83ae08ffd667ca48f27653e987dc06f88cf24ac90d70ed9444df |
| Publication page | 07a86a5f62e2e746170108c9736c63a475f2831d424cc1fbbafc42ebbef3785c |
| Manifest | a4d7214a8d82d124d9f4d929b0b69172fa80002373db8cf6902819724b7a92b4 |
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 | erz4nPDwc6J09fzntHGrtJmin7Ra/wHJL7Nuqbva+Oi7m9yHN7VymuIO5Y57GL4pDyoc1UoRTxNhLa1eLfWhBA== |
| 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
| 2026-09-17T11:43:35.771103Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026972observed 07a86a5f62e2e746170108c9736c63a4...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:43:35.754618Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026972/manifest.jsonobserved a4d7214a8d82d124d9f4d929b0b69172...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:35.738667Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026972/publication.mdobserved 279226ee9c8d83ae08ffd667ca48f276...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:43:35.721377Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000026972/publication.txtobserved 29f2d8cc9851bdd2014bbb1c25a3ade4...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. |
|---|