OT-2026-000003214
Publication integrity record
Vacuum lifting 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-2026-000003214) never changes.
Identity and time
| Publication number | OT-2026-000003214 · never reused |
|---|---|
| Internal UUID | 01a0a69f-45b6-79ff-aaba-59bd0776b906 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:50:51.063161Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000003214 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0b85a7b52210c03e7bc9080e3f560ba2b335d291efd4efec8a76903057b71e4d |
|---|---|
| Markdown | 89139f125039f14840aad197f9a4cae22156adb990052936947dc8903fc3e921 |
| Publication page | ba799747059014405ab526775d9642b5e3f0276295d34c6507fbe8d8ce8ffe64 |
| Manifest | 7d27f8cfb28bf2448f906aaf80d7866a475ef8355a0c200e6f8b29c60dfd3f78 |
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 | C9RF7xbK0GUst00QOSyjBmGS8ti2zbM3txqpSdsD/gAboK7Rf3MwGIXJgoJhY9d8/lxyPRT5Y+5wR2GPka+CDg== |
| 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
| 2026-09-27T08:41:25.813935Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214observed ba799747059014405ab526775d9642b5...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-27T08:41:25.716615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214/manifest.jsonobserved 7d27f8cfb28bf2448f906aaf80d7866a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:41:25.607770Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214/publication.mdobserved 89139f125039f14840aad197f9a4cae2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-27T08:41:25.400429Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214/publication.txtobserved 0b85a7b52210c03e7bc9080e3f560ba2...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:10.217639Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214observed ba799747059014405ab526775d9642b5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:10.184008Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214/manifest.jsonobserved 7d27f8cfb28bf2448f906aaf80d7866a...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:00:10.170930Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000003214/publication.txtobserved 0b85a7b52210c03e7bc9080e3f560ba2...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 |
|---|