OT-2026-000020257
Publication integrity record
Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, 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-2026-000020257) never changes.
Identity and time
| Publication number | OT-2026-000020257 · never reused |
|---|---|
| Internal UUID | 01a0ae6f-437a-7913-b093-d21b234c90dd · 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-2026-000020257 |
| Status | PUBLIC |
Content hashes
| Canonical text | 616fe34214811d0a93f85ef8d6a3b8a096859a4ee27371dfe0aaf1ecbc9c27b8 |
|---|---|
| Markdown | fd2c05488eca9478abe1dd08c3a80b57939d63fd7d46533c119f163c0343101a |
| Publication page | 0265893a85d6df7415807ac73abe9bbecd150750b22ac199db091f5b834cd1d8 |
| Manifest | b14cfc4f6d1dea4d1e11b5cc9a8ad053e07337f1d70a6d1876c66c421f6c5125 |
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 | +B7Lm8l7qzaUtUxtXmqfscQSR2s6lp4FldtCdFNTC57Trb4OrwzGQoMe6OJK8g2l7HFRJU+QhEMJbmp7FSC9Bg== |
| 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
| 2026-09-17T11:56:36.160387Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020257observed 0265893a85d6df7415807ac73abe9bbe...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T11:56:36.143412Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020257/manifest.jsonobserved b14cfc4f6d1dea4d1e11b5cc9a8ad053...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:36.125743Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020257/publication.mdobserved fd2c05488eca9478abe1dd08c3a80b57...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T11:56:36.109149Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000020257/publication.txtobserved 616fe34214811d0a93f85ef8d6a3b8a0...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. |
|---|