OT-2026-000004911
Publication integrity record
Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed, pressure verified
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-2026-000004911) never changes.
Identity and time
| Publication number | OT-2026-000004911 · never reused |
|---|---|
| Internal UUID | 01a0a927-895e-74e1-8166-5920c6c62b64 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:55.713523Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004911 |
| Status | PUBLIC |
Content hashes
| Canonical text | c6143cd8550d5c0ef40cbeddc5dad22a96cf2bb422c5c1acca71406cf90c4d4c |
|---|---|
| Markdown | ef9c3a41552fc6030619f4a886dceafadb8708f3240f26a326e980935c613daa |
| Publication page | 18eae39bb7eed5ecaa9ff1958e3bf1f60ff560a7e11e1cc90a85d6f45c4b6d88 |
| Manifest | 212c4ee460167486d9e969059ce27223e905353b430ef2b11b238b01acda8f99 |
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 | l0QtjQWnPOZMqUfRyYpNts4FDyr0Y+CuuhS4IE2/FOWBohn9lU7VNL8Xtgh+8+RyG+0EhHQIgcIp8UJOsSdqBQ== |
| 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
| 2026-09-16T07:40:05.666433Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004911observed 18eae39bb7eed5ecaa9ff1958e3bf1f6...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:05.652619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004911/manifest.jsonobserved 212c4ee460167486d9e969059ce27223...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.637292Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004911/publication.mdobserved ef9c3a41552fc6030619f4a886dceafa...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:05.493891Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004911/publication.txtobserved c6143cd8550d5c0ef40cbeddc5dad22a...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. |
|---|