OT-2026-000003204
Publication integrity record
Vacuum device for handling articles
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-2026-000003204) never changes.
Identity and time
| Publication number | OT-2026-000003204 · never reused |
|---|---|
| Internal UUID | 01a0a69d-51b8-7a78-8c1e-1e253bc85bd9 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:48:43.064737Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003204 |
| Status | PUBLIC |
Content hashes
| Canonical text | a4bd29bd9c7958822966b6d3976e2056b812c108890df98c1ffddc5298ab8051 |
|---|---|
| Markdown | d80c2718c4c498b483346c4f503a3eba1c8517037cf41b5d65ac7a66ecbd03e3 |
| Publication page | 81a7c82e0db8649645bf24af36aeadef591a921652e950a1f6b261ad54f24223 |
| Manifest | bc6e05bea06abb4f1e50849a789691849fbfdf5efc0db23e7aaf292a32a9cba8 |
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 | Iw4+02Y+ezw+7qSX7r81pWWoROOdBL8jPoH5WzO1EUfXmUSAciyiWXHFL9H+8JMrcDLugiKYnzfVXnxd3kUYAg== |
| 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
| 2026-10-04T04:23:35.991988Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204observed 81a7c82e0db8649645bf24af36aeadef...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-04T04:23:35.977912Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204/manifest.jsonobserved bc6e05bea06abb4f1e50849a78969184...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:35.964395Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204/publication.mdobserved d80c2718c4c498b483346c4f503a3eba...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-10-04T04:23:35.903341Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204/publication.txtobserved a4bd29bd9c7958822966b6d3976e2056...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:02.813479Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204observed 81a7c82e0db8649645bf24af36aeadef...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:02.658975Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204/manifest.jsonobserved bc6e05bea06abb4f1e50849a78969184...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T19:50:02.645478Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003204/publication.txtobserved a4bd29bd9c7958822966b6d3976e2056...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 |
|---|