OT-2026-000021856
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000021856) never changes.
Identity and time
| Publication number | OT-2026-000021856 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5b-7ab6-8d6f-d0717dcd7d93 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:53.201585Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021856 |
| Status | PUBLIC |
Content hashes
| Canonical text | 11e56cc2b042399223f368b805e52872d89b8b22c1b39c3002b7db8e2e9a7725 |
|---|---|
| Markdown | 94c36a610b870de56322a45c4a9ec0bd355a47c2a011abcc4044ad1caad3ce64 |
| Publication page | d47506635f77dc37aeeaf17cce079f95d96c793c0eb5f12164d3df934e20ec2f |
| Manifest | 89dbab2aef8175938b117ce28868568b31c7c8871869c3e0f310bb768b6c8a23 |
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 | dh8BMh/2uCUCDCVLDiZPwiH/YNmENL9fomHg81OnOSC1wjcDw+pyWBNu9XTQdXeSwClG7iQYUrxeSjNBt7Z/DA== |
| 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
| 2026-09-17T11:54:25.031517Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021856observed d47506635f77dc37aeeaf17cce079f95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:25.014288Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021856/manifest.jsonobserved 89dbab2aef8175938b117ce28868568b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.995584Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021856/publication.mdobserved 94c36a610b870de56322a45c4a9ec0bd...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:24.975473Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021856/publication.txtobserved 11e56cc2b042399223f368b805e52872...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. |
|---|