OT-2026-000003128
Publication integrity record
Vacuum transfer device
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-2026-000003128) never changes.
Identity and time
| Publication number | OT-2026-000003128 · never reused |
|---|---|
| Internal UUID | 01a0a690-5d0f-7b06-acc6-77b7efe443ad · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:34:34.000260Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003128 |
| Status | PUBLIC |
Content hashes
| Canonical text | 94ebe25d709fb67dace9ca89851e7afd60a34b6c0de01b7668dfd20c86086c5b |
|---|---|
| Markdown | 2e1932fd1dd740a636bd509f086ffd298ddb790e94216c8dfb113c6da15fea6f |
| Publication page | e23ea945ca6b8015596f6dbe067dce3401a26bdb747979173a0e96a66366499a |
| Manifest | b9f5d3724176d145121edb46b71ee857762e7749b512a8348e0d55a2a72ab860 |
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 | //npMNUpRnBfdnnAkj8fEcLMoCSq4yRbnoNxzmz5BBhlmp9YQhS0W7PJHhtGb/mISMPoml+8mcd7iDHKgEL+AQ== |
| 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
| 2026-10-12T00:42:08.671492Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128observed e23ea945ca6b8015596f6dbe067dce34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-12T00:42:08.578076Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128/manifest.jsonobserved b9f5d3724176d145121edb46b71ee857...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T00:42:08.470937Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128/publication.mdobserved 2e1932fd1dd740a636bd509f086ffd29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-12T00:42:08.261844Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128/publication.txtobserved 94ebe25d709fb67dace9ca89851e7afd...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:13.643562Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128observed e23ea945ca6b8015596f6dbe067dce34...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:13.467819Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128/manifest.jsonobserved b9f5d3724176d145121edb46b71ee857...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:13.302531Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128/publication.mdobserved 2e1932fd1dd740a636bd509f086ffd29...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T04:42:13.067619Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003128/publication.txtobserved 94ebe25d709fb67dace9ca89851e7afd...fetched by grabo-systems from 34.44.131.203, 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 |
|---|