OT-2026-000004901
Publication integrity record
Vacuum cup gripper, common isolation valve, three outlet manifold, ejector 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-2026-000004901) never changes.
Identity and time
| Publication number | OT-2026-000004901 · never reused |
|---|---|
| Internal UUID | 01a0a927-2f55-74f0-bcf4-f5c99b36d8ba · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-16T07:38:32.664961Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000004901 |
| Status | PUBLIC |
Content hashes
| Canonical text | f73c227195f1879494d9ba21504d6a26737dd5aa21d5223e3814c03ed355eba5 |
|---|---|
| Markdown | 9e14cf9ad99869ac70415b0f486558beb871d9196d35bdeda3d633c5e021cb57 |
| Publication page | 24d24a8d19625ccdbfa1680b1a7b36e026988f98f04ab59dc7feba74a3bcc69c |
| Manifest | 999372e8ff1c19e9347f62869aa36646dc0432c5717124411696a625a6e84d5c |
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 | kJzOAj7VEvsAvXcy1vDnfJfMpMj6ZjiMrMSyFFWnooPeaJSx4XE2u1rVoaWgiY23Tby5pZpdgegPA3TEAsIUCg== |
| 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
| 2026-09-16T07:40:06.687491Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004901observed 24d24a8d19625ccdbfa1680b1a7b36e0...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-16T07:40:06.674793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004901/manifest.jsonobserved 999372e8ff1c19e9347f62869aa36646...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.660901Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004901/publication.mdobserved 9e14cf9ad99869ac70415b0f486558be...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-16T07:40:06.648268Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000004901/publication.txtobserved f73c227195f1879494d9ba21504d6a26...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. |
|---|