OT-2026-000020408
Publication integrity record
Single bellows cup vacuum gripper, 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-2026-000020408) never changes.
Identity and time
| Publication number | OT-2026-000020408 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-7840-975c-a83d2e2251a4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:22.507199Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000020408 |
| Status | PUBLIC |
Content hashes
| Canonical text | 8f2c92fa837c154c2aeba17f872eb955a9093c4f57936e306dab70a44cc0f73c |
|---|---|
| Markdown | 9a73307b9579400af81ceaa6dc1cc8c12bb0293bcdc84a83104eb53e64c416ef |
| Publication page | abbb246d877eebd010833a9bfa8a5eaef3e4ca48632e9a5a60c03b0a992f14b3 |
| Manifest | 58996581dec6cc49fe1f96f3577325035cc4522519f725688a1efdf8009eed7c |
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 | ANO5GXLr5U3v1p9E+ohxzke+mriXK8uXKPexxPukQOAyQOvX9NA6iH8yer+nPU/bR7XJBqNhpgShhG0/8D5oDA== |
| 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
| 2026-09-17T12:00:18.635060Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408observed abbb246d877eebd010833a9bfa8a5eae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:18.617007Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408/manifest.jsonobserved 58996581dec6cc49fe1f96f357732503...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:18.599059Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408/publication.mdobserved 9a73307b9579400af81ceaa6dc1cc8c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:18.581143Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408/publication.txtobserved 8f2c92fa837c154c2aeba17f872eb955...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.135619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408observed abbb246d877eebd010833a9bfa8a5eae...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.117632Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408/manifest.jsonobserved 58996581dec6cc49fe1f96f357732503...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.099232Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408/publication.mdobserved 9a73307b9579400af81ceaa6dc1cc8c1...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:23.080627Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020408/publication.txtobserved 8f2c92fa837c154c2aeba17f872eb955...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. |
|---|