OT-2026-000003300
Publication integrity record
Hydraulic circuit comprising at least two double acting hydraulic piston-cylinder devices
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-2026-000003300) never changes.
Identity and time
| Publication number | OT-2026-000003300 · never reused |
|---|---|
| Internal UUID | 01a0a6ac-773a-7719-bebb-1d502f48be86 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T20:05:15.706848Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003300 |
| Status | PUBLIC |
Content hashes
| Canonical text | 87493f1dee220235af0f5b813da243114fbdb8b90e8552d0d528bcd463477ae8 |
|---|---|
| Markdown | 5b14ab23b6e1bde0edcbdb58ea318f120bdd84e713f27764150086c16dbde3d7 |
| Publication page | b90aa1acbcce93f13c660f40942439f334eebd8da3aa013bdf6152f05f2857c3 |
| Manifest | e2afd041c13ed81cba39746b2fc176e84306946b734a69a2b1d76c60af1ab5a2 |
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 | HzRPNG0n4d6cZgMnUT0Xi0Pn/WvO33Qn3ZjOljgJt+D80VG9YX91FSXrbtYZOIu5YIuRroNUlgt7tPQ8iYpFCQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T20:07:03Z batch OT-TS-2026-W38-004 · RFC 3161 token · inclusion proof root d42f3e627490c26ffd144bf37543fecf... |
|---|
Independent retrieval
| 2026-10-25T04:41:34.044518Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300observed b90aa1acbcce93f13c660f40942439f3...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-25T04:41:33.999028Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300/manifest.jsonobserved e2afd041c13ed81cba39746b2fc176e8...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:33.952927Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300/publication.mdobserved 5b14ab23b6e1bde0edcbdb58ea318f12...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-25T04:41:33.828297Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300/publication.txtobserved 87493f1dee220235af0f5b813da24311...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:06.475622Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300observed b90aa1acbcce93f13c660f40942439f3...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:06.303992Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300/manifest.jsonobserved e2afd041c13ed81cba39746b2fc176e8...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:10:06.289436Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003300/publication.txtobserved 87493f1dee220235af0f5b813da24311...fetched by instance-3.rotem.ai from 127.0.0.1, 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. |
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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
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
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