OT-2026-000020400
Publication integrity record
Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000020400) never changes.
Identity and time
| Publication number | OT-2026-000020400 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437b-79f8-8667-654b0697c109 · 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-2026-000020400 |
| Status | PUBLIC |
Content hashes
| Canonical text | 85420a236904dbe1d607d88b8268ef6b45de5e4d3667ea91fc9645e3d5ca22cb |
|---|---|
| Markdown | fb19f4030590fc93c0eaee355bbb2a951c81009e1eaeac24048fd25f7ea7d004 |
| Publication page | ed054d412c5765454a166037934320931866e459e7506bd86c42d70ca7a8a3ea |
| Manifest | 1de29b12a3ede30eb63d01fe3cd1d30af6e9b2fc09886b85ff991e257d83d177 |
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 | QoF631qLTVFkS4wPKAIuseulz17dbpAFsrSyYsUTEPTGxd1QRLf1Fmm9CqPLuMKyBQOAcw+RaLzJrq3ZOLGbBA== |
| 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
| 2026-09-17T12:00:17.728025Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400observed ed054d412c5765454a16603793432093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T12:00:17.709942Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400/manifest.jsonobserved 1de29b12a3ede30eb63d01fe3cd1d30a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:17.692821Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400/publication.mdobserved fb19f4030590fc93c0eaee355bbb2a95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T12:00:17.675903Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400/publication.txtobserved 85420a236904dbe1d607d88b8268ef6b...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.505815Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400observed ed054d412c5765454a16603793432093...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.488216Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400/manifest.jsonobserved 1de29b12a3ede30eb63d01fe3cd1d30a...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.469439Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400/publication.mdobserved fb19f4030590fc93c0eaee355bbb2a95...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:57:22.448718Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020400/publication.txtobserved 85420a236904dbe1d607d88b8268ef6b...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. |
|---|