OT-2026-000021583
Publication integrity record
Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, pulsed 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-2026-000021583) never changes.
Identity and time
| Publication number | OT-2026-000021583 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-865e-7ef1-8dca-cab499bc4332 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:39.631048Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000021583 |
| Status | PUBLIC |
Content hashes
| Canonical text | b5e207f9f4f95a1af5306e6905f2e853e08064e1b89adda84a562cd394296edc |
|---|---|
| Markdown | cb4059b251ddb8a7687a4cce3f0c94f03cef8f37d9b68481069b92095a2576e2 |
| Publication page | 72158fd4d06d3e0bce6862afef2dbb206f3b08942790f44791a0a56cd0af1031 |
| Manifest | 8101f42526762e1a07a7e57c4c6822daedebbbd2a7aebc9066b4862fb0cfe948 |
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 | 9+sBbj8sWFRRmCJGerBtZHJlV8VwG0XtnUfLc+NyhqoUofmL/AoEBJgkhOJbV2I8ldbw9PkzIR9Sm/S1GvnpDg== |
| 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
| 2026-09-17T11:54:55.465140Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021583observed 72158fd4d06d3e0bce6862afef2dbb20...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:54:55.446347Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021583/manifest.jsonobserved 8101f42526762e1a07a7e57c4c6822da...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:55.421778Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021583/publication.mdobserved cb4059b251ddb8a7687a4cce3f0c94f0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:54:55.399628Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000021583/publication.txtobserved b5e207f9f4f95a1af5306e6905f2e853...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. |
|---|