OT-2026-000003194
Publication integrity record
Pneumatic grip
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-2026-000003194) never changes.
Identity and time
| Publication number | OT-2026-000003194 · never reused |
|---|---|
| Internal UUID | 01a0a69b-ba98-736d-ad3e-fcaa0ed4654f · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:46:58.840426Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003194 |
| Status | PUBLIC |
Content hashes
| Canonical text | c06d223a8bd615b8d4ef6a66c889988754b385a77a08f97c06ec7b1c9b6ee51e |
|---|---|
| Markdown | 952bb093d80a4ee8725579a4c4a09c1f2549d1d2a014336a179735ac593fd51a |
| Publication page | 553b06d4a4666ffa14f89912b9a73400531f5dfc614e7087e644de4e74e3cac9 |
| Manifest | b20d7ffecce9f5773ea6fd076e59b51f5fe459dafca4a22fad8ae7e0196aaf4c |
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 | e18+Y0Zq3duJal6GBCNPGIs38fDpCF22blsuORvRtEQ1CfRuLLB5Pc5CDT4EasCLLdR2xSalJC1z6n8carzRBA== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:47:02Z batch OT-TS-2026-W38-003 · RFC 3161 token · inclusion proof root 713cd89b73be422b38f7894d4fb6a755... |
|---|
Independent retrieval
| 2026-09-15T19:50:03.851205Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003194observed 553b06d4a4666ffa14f89912b9a73400...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T19:50:03.823935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003194/manifest.jsonobserved b20d7ffecce9f5773ea6fd076e59b51f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:03.811767Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003194/publication.txtobserved c06d223a8bd615b8d4ef6a66c8899887...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. |
|---|
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 |
|---|