OT-2026-000021846
Publication integrity record
Foam pad vacuum gripper, common isolation valve, pump fed, sustained blow-off before set-down
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-2026-000021846) never changes.
Identity and time
| Publication number | OT-2026-000021846 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-bb5a-71f8-954c-e15a2c9cd22a · 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-2026-000021846 |
| Status | PUBLIC |
Content hashes
| Canonical text | 21b57abc710326afed7c1cab419cf410454c4bbb4104dbb06c6c75228bf47c47 |
|---|---|
| Markdown | 7eabecf0a8cf13dc18f72308b393030f424437d925cf72b22106cab3ab2692f5 |
| Publication page | 561fe0c59e39d189163cdfd4a12b682e8aebbffd9ced9eec21ed8e03cbbcfa1b |
| Manifest | 5c205bc18fe7d08427da0f4989431ad298963bc2dca188d1790f5743c2a3b10c |
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 | HaqLrzgpyq8oascQKWw0IWD9L0Usq/Vwg6YuPsmIdOo2o98YOQE8vUE75beMhH0huoSWmXlICboIhCZgAAroAw== |
| 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
| 2026-09-17T11:54:07.534675Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021846observed 561fe0c59e39d189163cdfd4a12b682e...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:07.500874Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021846/manifest.jsonobserved 5c205bc18fe7d08427da0f4989431ad2...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.483115Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021846/publication.mdobserved 7eabecf0a8cf13dc18f72308b393030f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:07.449840Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021846/publication.txtobserved 21b57abc710326afed7c1cab419cf410...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. |
|---|