OT-2026-000004804
Publication integrity record
Vacuum cup 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-2026-000004804) never changes.
Identity and time
| Publication number | OT-2026-000004804 · never reused |
|---|---|
| Internal UUID | 01a0a923-de99-7ffc-b561-ebc51564e7ef · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:34:55.388364Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004804 |
| Status | PUBLIC |
Content hashes
| Canonical text | e6281e4482727d9f226abe5446e7df8496634db34d978a32dffdf61333ca55b2 |
|---|---|
| Markdown | cdc5bab7e15ab9c6723b49154f3171de36991ed7632696f66885ea4974633549 |
| Publication page | b72d87f1c014c5d4d9fa6da02a44304f389d79df1fa6fe9e59a037009a2aef38 |
| Manifest | ad69c1e5656c466c0e80bf0803858f06fbec57ca7b978c16c8778468deb6fa90 |
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 | M8cMdi3RDJ5RSpiCJtZWFV8uK4gK5/dEHPteoodcctyuk3L5dHvv9+J5BXcFM97Pslh+rR6kM0Kl7jgrDbRVCw== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-16T07:47:02Z batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof root e1b42dfa4cd0fb1e3e472afd2db961c2... |
|---|
Independent retrieval
| 2026-09-16T07:40:17.221767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004804observed b72d87f1c014c5d4d9fa6da02a44304f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:17.210486Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004804/manifest.jsonobserved ad69c1e5656c466c0e80bf0803858f06...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.197297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004804/publication.mdobserved cdc5bab7e15ab9c6723b49154f3171de...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:17.185393Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004804/publication.txtobserved e6281e4482727d9f226abe5446e7df84...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. |
|---|