OT-2026-000001226
Publication integrity record
Method and apparatus for lifting grates
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-2026-000001226) never changes.
Identity and time
| Publication number | OT-2026-000001226 · never reused |
|---|---|
| Internal UUID | 01a0a674-a1c4-70af-b8f1-11cfe8b836c2 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-15T19:04:16.580835Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000001226 |
| Status | PUBLIC |
Content hashes
| Canonical text | 5f06735c768ec19666cd61beff19bcfb08327d462a437323751926274e440d71 |
|---|---|
| Markdown | 7ae37b1ad2acaafaa2605736adb042cd99bcf17dfc76ec79807079e3b568ea0b |
| Publication page | f791635cda042570b7191c91280370c53b3f211b395c1c6722fb4366afd82bda |
| Manifest | 236900a4f9f8b8e99a7f86c41e38d15fdfccc68cf245538873b7247625b34970 |
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 | 5teHrKihuMCDJJOZpY8FFyjP6mN+2QNcMfCFkORCX3pa/uWqLkWyTiNdegkhrETELmLrTIb1MG4wwoIxN1etDQ== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-15T19:07:03Z batch OT-TS-2026-W38-001 · RFC 3161 token · inclusion proof root 6369baadb1a246009d149835804d20ba... |
|---|
Independent retrieval
| 2026-09-15T20:43:51.604890Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001226observed f791635cda042570b7191c91280370c5...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-15T20:43:51.251625Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001226/manifest.jsonobserved 236900a4f9f8b8e99a7f86c41e38d15f...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:43:51.005200Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001226/publication.txtobserved 5f06735c768ec19666cd61beff19bcfb...fetched by grabo-systems from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:09.376184Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001226observed f791635cda042570b7191c91280370c5...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:09.345776Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001226/manifest.jsonobserved 236900a4f9f8b8e99a7f86c41e38d15f...fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139 |
| 2026-09-15T20:20:09.331853Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000001226/publication.txtobserved 5f06735c768ec19666cd61beff19bcfb...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 |
|---|